سایتی برای آموزش شبکه در زمینه های سیسکو میکروتیک مایکروسافت مجازی سازی و دیگر مباحث شبکه

دانلود نسخه جدید VMware NSX for vSphere 6.3.3

VMware NSX
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VMware NSX حرکتی از سوی شرکت VMware برای مجازی سازی شبکه های فیزیکی است. در واقع SDN شرکت VMware برای ورود به این عرصه است. حرکتی که شرکت های دیگر، هر چند محدود بر روی ساختار VMware vSphere به آن پرداخته اند. مانند Cisco v1000 که سوییچ ها را در محیط VMware vSphere مجازی می نمود. در این مطلب خلاصه وار به معرفی این نرم افزار می پردازیم. نرم افزاری در زمینه SDN ها است که شرکت VMware با صرف هزینه ای هنگفت پروژه شرکت Nicira را بدست آورد. طبق تعریف این شرکت، NSX “هایپروایزر شبکه” است. این تعریف برای درک بهتر آشنایان با عرصه IT مطرح شده است چرا که همگی می دانیم که ESX یا هایپروایزر چه کاری انجام می دهد و شرکت VMware از ارائه آن چه هدفی دارد. در واقع VMware ESXi منابع رایانش را مجازی سازی می کند (مثل، پردازنده، حافظه، دیسک ها و کارت های شبکه). در مقایسه با آن VMware NSX که کل شبکه زیرساخت آن را مجازی سازی می کند (مثل، سوییچ های مجازی، دیواره های آتش مجازی، روتر های مجازی و …)

گیک بوی بر روی سرورهای قدرتمند هاست هی میزبانی می شود

 

برای اطلاعات بیشتر پیشنهاد میکنم پست “VMware NSX: هایپروایزری برای شبکه” را مطالعه نمایید، همچین برای دیدن تغییرات نسخه جدید به این صفحه مراجعه کنید.

VMware NSX License Key: UC3RAD3XD4H817ZUEMNGWC0WF

 

 

VMware NSX Network Virtualization and Security Platform

NSX enables the creation of entire networks in software and embeds them in the hypervisor layer, abstracted from the underlying physical hardware. All network components can be provisioned in minutes, without the need to modify the application.

Security

NSX embeds security functions right into the hypervisor. It delivers micro-segmentation and granular security to the individual workload, enabling a fundamentally more secure data center. Security policies travel with the workloads, independent of where workloads are in the network topology

Automation

NSX lets you treat your physical network as a pool of transport capacity, with network and security services attached to workloads using a policy-driven approach. This automates networking operations and eliminates bottlenecks associated with hardware-based networks.

Application Continuity

NSX abstracts networking from the underlying hardware and attaches networking and security policies to their associated workloads. Applications and data can reside and be accessible anywhere. Move workloads from one data center to another, or deploy them into a hybrid cloud environment.

Compliance

NSX enables micro-segmentation and granular security of workloads in virtualized networks, isolating sensitive systems and reducing both risk and scope of compliance. Use NSX to help ensure and demonstrate compliant operations with many regulations such as PCI DSS, HIPAA, FedRAMP, SOC, CJIS, DISA STIG, and more.

دانلود نسخه جدید VMware NSX for vSphere 6.3.3

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NSX Offerings
Standard Edition: Automates IT workflows, bringing agility to the data center network and reducing network operating costs and complexity.

Advanced Edition: Standard Edition plus a fundamentally more secure data center with micro-segmentation. Helps secure the data center to the highest levels, while automating IT provisioning of security.

Enterprise Edition: Advanced Edition plus networking and security across multiple domains. Enables the data center network to extend across multiple sites and connect to high-throughput physical workloads.

Remote Branch Office Edition: Automates and secures workloads in a remote or branch office.

What’s New in 6.3.3
Bug fixes: NSX for vSphere 6.3.3 addresses a number of specific customer bugs. See Resolved Issues for more information.

Guest Introspection supports Windows Server 2016: See “Guest Introspection for Windows” below for requirements.

NSX Controller OS change: The underlying operating system for the NSX Controller is now Photon OS. See Controller Upgrade in the Upgrade Notes for NSX Components section for details on upgrading controllers to NSX 6.3.3.

New NSX API to retrieve a list of all unresolved alarms on NSX Manager: Some system events trigger the creation of alarms. Some alarms, along with other alerts, are displayed on the NSX Dashboard. You can view all unresolved alarms with GET /api/2.0/services/systemalarms. See the NSX API Guide for more information.

Crypto Module Changes Affecting FIPS Compliance

NSS and OpenSwan: The NSX Edge IPsec VPN uses the Mozilla NSS crypto module. Due to critical security issues, NSX 6.3.3 moved to a newer version of NSS that has not been FIPS certified. VMware affirms that the module works correctly, but it is no longer formally validated.
NSS and Password Entry: The NSX Edge password hashing use the Mozilla NSS crypto module. Due to critical security issues, NSX 6.3.3 moved to a newer version of NSS that has not been FIPS certified. VMware affirms that the module works correctly, but it is no longer formally validated.
Controller and Clustering VPN: The NSX Controller uses IPsec VPN to connect Controller clusters. The IPsec VPN uses the VMware Linux kernel crypto module (Photon 1 environment), which is in the process of being CMVP validated.
View Release Notes for previous versions:

NSX 6.3.2
NSX 6.3.1
NSX 6.3.0
Versions, System Requirements, and Installation
Note:

This information is current as of the publication date of this document.

VMware advises running at least the minimum recommended releases. These minimums are general and should not replace or override environment-specific recommendations.
For the minimum supported version of NSX and other VMware products, see the VMware Product Interoperability Matrix. VMware declares minimum supported versions based on internal testing.

The minimum supported version of vSphere for NSX interoperability changes between NSX 6.3.2 and NSX 6.3.3. See the VMware Product Interoperability Matrix for details.

The latest NSX version contains enhancements and bug fixes not included in the minimum recommended version.

Deprecated and Discontinued Functionality
End of Life and End of Support Warnings
For information about NSX and other VMware products that must be upgraded soon, please consult the VMware Lifecycle Product Matrix.

NSX for vSphere 6.1.x reached End of Availability (EOA) and End of General Support (EOGS) on January 15, 2017. (See also VMware knowledge base article 2144769.)

NSX Data Security removed: As of NSX 6.3.0, the NSX Data Security feature has been removed from the product.

NSX Activity Monitoring (SAM) deprecated: As of NSX 6.3.0, Activity Monitoring is no longer a supported feature of NSX. As a replacement, please use Endpoint Monitoring. For more information see Endpoint Monitoring in the NSX Administration Guide.
Web Access Terminal removed: Web Access Terminal (WAT) has been removed from NSX 6.3.0. You cannot configure Web Access SSL VPN-Plus and enable the public URL access through NSX Edge. VMware recommends using the full access client with SSL VPN deployments for improved security. If you are using WAT functionality in an earlier release, you must disable it before upgrading to 6.3.0.

IS-IS removed from NSX Edge: From NSX 6.3.0, you cannot configure IS-IS Protocol from the Routing tab.

vCNS Edges no longer supported. You must upgrade to an NSX Edge first before upgrading to NSX 6.3.x.

API Removals and Behavior Changes
Deleting firewall configuration or default section:

Request to delete firewall section is now rejected if the default section is specified: DELETE /api/4.0/firewall/globalroot-0/config/layer2sections|layer3sections/sectionId
New method introduced to get default configuration. Use output of this method to replace entire configuration or any of the default sections:
Get default configuration with GET api/4.0/firewall/globalroot-0/defaultconfig
Update entire configuration with PUT /api/4.0/firewall/globalroot-0/config
Update single section with PUT /4.0/firewall/globalroot-0/config/layer2sections|layer3sections/{sectionId}
defaultOriginate parameter removed from the following methods for logical (distributed) router NSX Edge appliances only:

GET/PUT /api/4.0/edges/{edge-id}/routing/config/ospf
GET/PUT /api/4.0/edges/{edge-id}/routing/config/bgp
GET/PUT /api/4.0/edges/{edge-id}/routing/config
Setting defaultOriginate to true on an NSX 6.3.0 or later logical (distributed) router edge appliance will fail.

All IS-IS methods removed from NSX Edge routing.

GET/PUT/DELETE /4.0/edges/{edge-id}/routing/config/isis
GET/PUT /4.0/edges/{edge-id}/routing/config
CLI Removals and Behavior Changes
Do not use unsupported commands on NSX Controller nodes
There are undocumented commands to configure NTP and DNS on NSX Controller nodes. These commands are not supported, and should not be used on NSX Controller nodes. You should only use commands which are documented in the NSX CLI Guide.

Upgrade Notes
General Upgrade Notes
Upgrade Notes for NSX Components
Upgrade Notes for FIPS
Note: For a list of known issues affecting installation and upgrades see the section, Installation and Upgrade Known Issues.

General Upgrade Notes
To upgrade NSX, you must perform a full NSX upgrade including host cluster upgrade (which upgrades the host VIBs). For instructions, see the NSX Upgrade Guide including the Upgrade Host Clusters section.

System Requirements: For information on system requirements while installing and upgrading NSX, see the System Requirements for NSX section in NSX documentation.

Upgrade path from NSX 6.x: The VMware Product Interoperability Matrix provides details about the upgrade paths from VMware NSX. Cross-vCenter NSX upgrade is covered in the NSX Upgrade Guide.

Downgrades are not supported:
Always capture a backup of NSX Manager before proceeding with an upgrade.

Once NSX has been upgraded successfully, NSX cannot be downgraded.

To validate that your upgrade to NSX 6.3.x was successful see knowledge base article 2134525.
There is no support for upgrades from vCloud Networking and Security to NSX 6.3.x. You must upgrade to a supported 6.2.x release first.

Interoperability: Check the VMware Product Interoperability Matrix for all relevant VMware products before upgrading.
Upgrading to vSphere 6.5a: When upgrading from vSphere 5.5 or 6.0 to vSphere 6.5a, you must first upgrade to NSX 6.3.x. See Upgrading vSphere in an NSX Environment in the NSX Upgrade Guide.
Note: NSX 6.2.x is not compatible with vSphere 6.5.
Upgrading to NSX 6.3.3: The minimum supported version of vSphere for NSX interoperability changes between NSX 6.3.2 and NSX 6.3.3. See the VMware Product Interoperability Matrix for details.

Partner services compatibility: If your site uses VMware partner services for Guest Introspection or Network Introspection, you must review the VMware Compatibility Guide before you upgrade, to verify that your vendor’s service is compatible with this release of NSX.
Networking and Security plug-in: After upgrading NSX Manager, you must log out and log back in to the vSphere Web Client. If the NSX plug-in does not display correctly, clear your browser cache and history. If the Networking and Security plug-in does not appear in the vSphere Web Client, reset the vSphere Web Client server as explained in the NSX Upgrade Guide.
Stateless environments: In NSX upgrades in a stateless host environment, the new VIBs are pre-added to the Host Image profile during the NSX upgrade process. As a result, NSX on stateless hosts upgrade process follows this sequence:
Prior to NSX 6.2.0, there was a single URL on NSX Manager from which VIBs for a certain version of the ESX Host could be found. (Meaning the administrator only needed to know a single URL, regardless of NSX version.) In NSX 6.2.0 and later, the new NSX VIBs are available at different URLs. To find the correct VIBs, you must perform the following steps:

Manually download the latest NSX VIBs from NSX Manager from a fixed URL.

Add the VIBs to the host image profile.

Find the new VIB URL from https:// /bin/vdn/nwfabric.properties .
Fetch VIBs of required ESX host version from corresponding URL.
Add them to host image profile.

Upgrade Notes for NSX Components
NSX Manager Upgrade

If you use SFTP for NSX backups, change to hmac-sha2-256 after upgrading to 6.3.x because there is no support for hmac-sha1. See VMware Knowledge Base article 2149282 for a list of supported security algorithms in 6.3.x.

Controller Upgrade

In NSX 6.3.3, the NSX Controller appliance disk size changes from 20GB to 28GB.

The NSX Controller cluster must contain three controller nodes to upgrade to NSX 6.3.3. If it has fewer than three controllers, you must add controllers before starting the upgrade. See Deploy NSX Controller Cluster for instructions.
In NSX 6.3.3, the underlying operating system of the NSX Controller changes. This means that when you upgrade to NSX 6.3.3, instead of an in-place software upgrade, the existing controllers are deleted one at a time, and new Photon OS based controllers are deployed using the same IP addresses. See Upgrade the NSX Controller Cluster.

Host Cluster Upgrade

In NSX 6.3.3, NSX VIB names change on ESXi 6.0 and later. VIB names on ESXi 5.5 remain the same.
The esx-vxlan and esx-vsip VIBs are replaced with esx-nsxv if you have NSX 6.3.3 installed on ESXi 6.0 or later.

Rebootless upgrade and uninstall on hosts: On vSphere 6.0 and later, once you have upgraded to NSX 6.3.x, any subsequent NSX VIB changes will not require a reboot. Instead hosts must enter maintenance mode to complete the VIB change.

A host reboot is not required during the following tasks:

NSX 6.3.0 to NSX 6.3.x upgrades on ESXi 6.0 or later.
The NSX 6.3.x VIB install that is required after upgrading ESXi from 6.0 to 6.5.0a or later.
Note: The ESXi upgrade still requires a host reboot.

NSX 6.3.x VIB uninstall on ESXi 6.0 or later.
A host reboot is required during the following tasks:

NSX 6.2.x or earlier to NSX 6.3.x upgrades (any ESXi version).
NSX 6.3.0 to NSX 6.3.x upgrades on ESXi 5.5.
The NSX 6.3.x VIB install that is required after upgrading ESXi from 5.5 to 6.0 or later.
NSX 6.3.x VIB uninstall on ESXi 5.5.
Host may become stuck in the installing state: During large NSX upgrades, a host may become stuck in the installing state for a long time. This can occur due to issues uninstalling old NSX VIBs. In this case the EAM thread associated with this host will be reported in the VI Client Tasks list as stuck.
Workaround: Do the following:

Log into vCenter using the VI Client.
Right click on the stuck EAM task and cancel it.
From the vSphere Web Client, issue a Resolve on the cluster. The stuck host may now show as InProgress.
Log into the host and issue a reboot to force completion of the upgrade on that host.
NSX Edge Upgrade

In NSX 6.3.0, the NSX Edge appliance disk sizes have changed:

Compact, Large, Quad Large: 1 disk 584MB + 1 disk 512MB

XLarge: 1 disk 584MB + 1 disk 2GB + 1 disk 256MB

Host clusters must be prepared for NSX before upgrading NSX Edge appliances: Management-plane communication between NSX Manager and Edge via the VIX channel is no longer supported starting in 6.3.0. Only the message bus channel is supported. When you upgrade from NSX 6.2.x or earlier to NSX 6.3.0 or later, you must verify that host clusters where NSX Edge appliances are deployed are prepared for NSX, and that the messaging infrastructure status is GREEN. If host clusters are not prepared for NSX, upgrade of the NSX Edge appliance will fail. See Upgrade NSX Edge in the NSX Upgrade Guide for details.

Upgrade Notes for FIPS
When you upgrade from a version of NSX earlier than NSX 6.3.0 to NSX 6.3.0 or later, you must not enable FIPS mode before the upgrade is completed. Enabling FIPS mode before the upgrade is complete will interrupt communication between upgraded and not-upgraded components. See Understanding FIPS Mode and NSX Upgrade in the NSX Upgrade Guide for more information.

Ciphers supported on OS X Yosemite and OS X El Capitan: If you are using SSL VPN client on OS X 10.11 (EL Capitan), you will be able to connect using AES128-GCM-SHA256, ECDHE-RSA-AES128-GCM-SHA256, ECDHE-RSA-AES256-GCM-SHA38, AES256-SHA and AES128-SHA ciphers and those using OS X 10.10 (Yosemite) will be able to connect using AES256-SHA and AES128-SHA ciphers only.

Do not enable FIPS before the upgrade to NSX 6.3.x is complete. See Understand FIPS mode and NSX Upgrade in the NSX Upgrade Guide for more information.

Before you enable FIPS, verify any partner solutions are FIPS mode certified. See the VMware Compatibility Guide and the relevant partner documentation.
Document Revision History
10 Aug 2017: First edition for NSX 6.3.3.

21 Aug 2017: Second edition for NSX 6.3.3. Changes as follows:

Added Resolved issues: 1465249, 1474066, 1670250, 1754638, 1786115, 1797377, 1799467, 1802996, 1813954, 1878081, 1818028, 1868459, 1879928, 1923282
Added Known issues: 1834150, 1932907, 1242207
Resolved Issues
The resolved issues are grouped as follows.

General Resolved Issues in NSX 6.3.3
Installation and Upgrade Resolved Issues in NSX 6.3.3
NSX Manager Resolved Issues in NSX 6.3.3
NSX Controller Resolved Issues in NSX 6.3.3
Logical Networking and NSX Edge Resolved Issues in NSX 6.3.3
Security Services Resolved Issues in NSX 6.3.3
General Resolved Issues in NSX 6.3.3
Fixed Issue 1878965/1879576: NSX fails to auto-connect to event log server after it loses connection
After you reboot the event log server, NSX does not automatically re-connect to the server. If you do not use GI (use event log server only), then IDFW feature in NSX stops working. Fixed in 6.3.3.

Fixed Issue 1859531: No SNMP traps sent for certain Application Rule Manager system events
SNMP traps are not sent for the following Application Rule Manager system events:
flow analysis started
flow analysis failed
flow analysis completed
These are visible on the NSX Manager systems events monitor tab. FIxed in 6.3.3.

Fixed Issue 1802366: Hosts and controllers out of sync for Logical (Distributed) Routers because of buffer overflow on the controllers
Sync status of one or more Logical (Distributed) Routers is shown as out-of-sync for a prolonged time(> 10 secs)-
On controller CLI –

nsx-controller # show control-cluster logical-routers instance all
LR-Id LR-Name Universal Service-Controller Egress-Locale In-Sync Sync-
0x138b default+edge-21 false 10.165.26.22 local No NORMAL
0x138a default+edge-19 false 10.165.26.22 local No NORMAL

nsx-controller # show control-cluster logical-routers error-status 0x138b
Id IP Version Locale-Id Sync-State
67 50.6.0.21 6.2 00000000-0000-0000-0000-000000000000 SYNCHING
68 50.6.0.19 6.2 00000000-0000-0000-0000-000000000000 SYNCHING
69 50.6.0.22 6.2 00000000-0000-0000-0000-000000000000 SYNCHING

Fixed in 6.3.3.

Fixed Issue 1770259: The appliedTo field for the DFW rule cannot be modified to have multiple appliedTo objects
When you apply the DFW rule to a set of vNICs or VMs, or clusters or datacenter, publish it and later want to modify by adding additional objects to the appliedTo field, the new changes will not be effective even though the publish succeeds. Fixed in 6.3.3.
Fixed Issue 1907141: Accept GARP as a valid reply when sending ARP request to refresh ARP entry
Some old devices send GARP as reply to ARP request. The fix, same as the title, will accept it as a valid reply. Fixed in 6..3.3.

Fixed Issue 1555234: Deleting cluster with Guest Introspection from vCenter results in null pointer exception
Services such as Guest Introspection must be removed first before a cluster is removed from vCenter. Fixed in 6.3.3
Fixed Issue 1893736: Cannot delete Guest Introspection from the Service Deployment tab for a cluster that no longer exists in vCenter
For a cluster deleted from vCenter without removing services deployed on it, you cannot delete the services from the vSphere web client. Fixed in 6.3.3.

Fixed Issue 1895935​: Linux guest VMs unresponsive when protected by anti-virus software with the NSX Guest Introspection service
The vsep service fails to close the file that reads maximum inotify watche values. This causes all file descriptors to get consumed and the system becomes un-responsive. Fixed in 6.3.3.

Fixed Issue 1899687: Universal Service Virtual Machine (USVM) runs out of VMCI (virtual machine communication interface) socket buffer space
There was impact in network connectivity between USVM and MUX; USVM was unable to send the configuration to MUX. Some VMs were not being protected by AntiVirus. Fixed in 6.3.3.

Fixed Issue 1858074: Memory leak observed during the race between thin agent response and handling of API Timeout exception
When API call encounters the ‘EPSEC_ERROR_TIMEOUT’ and event is still is not finished, and at the same time guest driver retries sending the response a memory leak the size of the response may occur. Fixed in 6.3.3

Fixed Issue 1869514: Linux Guest Virtual Machine hangs during ODS/OAS scan
Linux Guest Machine becomes un-responsive during ODS/OAS scan activity happening for few days. Fixed in 6.3.3

Installation and Upgrade Resolved Issues in NSX 6.3.3
Fixed Issue 1474066: The NSX REST API call to enable or disable IP detection seems to have no effect
If host cluster preparation is not yet complete, the NSX REST API call to enable or disable IP detection (https://<nsxmgr-ip>/api/2.0/xvs/networks/universalwire-5/features) has no effect. Fixed in 6.3.3.
Fixed Issue 1866180: Even though upgrade was failed, UI displayed the new upgraded version
Even though upgrade was failed during the host preparation because of some host issue, the UI was still displaying the new version. Fixed in 6.3.3.

NSX Manager Resolved Issues in NSX 6.3.3
Fixed Issue 1723703: Backup to SFTP server fails in NSX for vSphere 6.3.x
In an NSX for vSphere 6.3.x environment, you experience these symptoms:
NSX Backup to SFTP Server fails

You see the error:
unable to connect to server x.x.x.x at 22. Either server details are invalid or invalid credentials are presented (permission denied). Fixed in 6.3.3.

Fixed Issue 1702592: VMs not communicating after controllers redeployed due to a mismatch in vmID between NSX Manager and vCenter Server
VMs are not communicating after controllers redeployed due to a mismatch in vmID between NSX Manager and vCenter Server. Fixed in 6.3.3.

Fixed Issue 1881696: If a policy is created with some firewall actions associated with it and later the policy is edited to delete all actions, then after the NSX Manager is restarted, the policy shows incorrect status as “in progress”
If you create a policy with actions from one category and then later edit the policy by deleting the action, then when the NSX Manager is rebooted, the policy shows incorrect status as “in progress”. Fixed in 6.3.3.
Fixed Issue 1825041: NSX Manager UI/API is not accessible
A VC outage caused multiple VLSI threads to be created for every request to VC, causing the thread count to reach the maximum thread limit. When the max thread count was reached, the NSX manager/Appmgmt process stopped and the UI and API were unaccessible. Fixed in 6.3.3

Fixed Issue 1787542: Exceptions in secondary NSX Manager(s) log after DB restore on primary NSX Manager
After restoring DB on primary, reinstated Universal DFW sections not seen on secondary NSX Manager(s). Fixed in 6.3.3.
Fixed Issue 1890849: Controller in “Deploying” state cannot be deleted
Controller in “Deploying” cannot be deleted from the vSphere web client UI or the API. Fixed in 6.3.3.

Fixed Issue 1897696: Spoofguard timed out event (systemEvent:Code:’301502′) warning being generated in NSX Manager
Spoofguard timed out event warning is frequently generated in NSX Manager even if the event has been processed successfully by vsfwd. Fixed in 6.3.3.

Fixed Issue 1754638: For VMs that have IPv4 & IPv6, Trust On First Use (TOFU) approval does not work as expected
The NSX Manager’s TOFU was not taking in to account both IPv4 and IPv6 separately. So it was allocating only one address as a TOFU address instead of allocating one IPv4 and one IPv6 address. This caused VMs to loose connectivity if IPv6 addresses is only approved. Fixed in 6.3.3.

NSX Controller Resolved Issues in NSX 6.3.3
Fixed Issue 1908465: Several instances of both read and write storage latency alerts reported on NSX Controllers
Any monitoring stations monitoring for the alerts reported these storage latency alerts. Fixed in 6.3.3.

Fixed Issue 1765354: <deployType> is a required property but it is not used
<deployType> is a required property but it is not used and does not mean anything. Fixed in 6.3.3. <deployType> is no longer required.

Logical Networking and NSX Edge Resolved Issues in NSX 6.3.3
Fixed Issue 1674229: NSX Edge can experience connectivity issue under high traffic during force sync operation
When the dvport configuration of a Logical (Distributed) Router is being updated, it will hold portset lock but the flag update is not properly protected by the same lock. This flag is checked when processing packet and the error handling code might leak the packet, which will fill up the tx buffer of VM and cause the vnic to be reset. Fixed in 6.3.3.

Fixed Issue 1773127: On setups with a significant number of hosts and logical switches, the screen that displays hosts related to a given logical switch fails to load correctly.
When you select Logical Switch > Related Objects > Hosts from your setup with a significant number of hosts, the vSphere Web Client fails to load after waiting for a couple of minutes and the following error appears: The data service timed out because a back-end task took more than 120 seconds. This occurs because the remote API call to NSX Manager takes too long to return. Fixed in 6.3.3.
Fixed Issue 1773500: Invalid route (0.0.0.0/32) causes NSX to crash
If you push the route 0.0.0.0/32 on the NSX DLR, it does not support this route and rejects it. However, this still causes a crash (PSOD) when the associated LIF is deleted and re-added with an IP address on the same subnet. Fixed in 6.3.3.
Fixed Issue 1854926: Traffic Shaping Policy never deleted from the dvPortGroup port
Traffic Shaping Policy (TSP) is set on the dvPortGroup port connected to the NSX Edge vNIC when you configure the port. Expected behavior is that when a vNIC is disconnected from this port, TSP is deleted (cleared). The following cases triggered by the NSX Manager lead to the change/disconnect of dvPortGroup port connected to the NSX Edge vNIC:

NSX Edge is Redeployed
NSX Edge is Upgraded
NSX Edge is disconnected and reconnected
NSX Edge applicance size is changed
NSX Edge interface is deleted
NSX Edge is deleted
Fixed in 6.3.3.

Fixed Issue 1542979: Unable to customize port of log server for NSX Edge remote logging
Before NSX 6.3.3, only the standard port 514 was available to be configured for NSX Edge log server, but now you can configure an on-demand port. Fixed in 6.3.3.

Fixed Issue 1871785: Ciphers missing from the load balancer config
The following ciphers are not available in the load balancer drop-down menu.

ECDHE-RSA-AES128-SHA
ECDHE-RSA-AES128-SHA256
ECDHE-RSA-AES256-SHA384
AES128-SHA256
AES128-GCM-SHA256
AES256-SHA256
AES256-GCM-SHA384
Fixed in 6.3.3.

Fixed Issue 1859242: Edge Service Gateways become unmanageable in vCloud Director due to malformed health check message
Edge Services Gateways may become unmanageable in vCloud Director if you have IPsec tunnels configured. The tunnel up/down system event messages are truncated and result in malformed json. vCloud Director is not able to parse those message and marks the Edge Service Gateway as unhealthy. Fixed in 6.3.3.

Fixed Issue 1874782: NSX Edge becomes unmanageable due to issue in connecting to message bus
If the NSX Edge experiences problems connecting to the message bus, NSX Manager can not change configuration or retrieve information from the NSX Edge. Fixed in 6.3.3.

Fixed Issue 1771760: SNMP response packets containing OID type Counter64 will get dropped by NSX Edge when NAT is enabled.
SNMP ALG in NSX Edge is unable to process Counter64 types from SNMP response packet, and the packet will get dropped. As a result, the client does not get a response for the request. Fixed in 6.3.3.
Fixed Issue 1861814: SSL VPN fails when using Mac OS Sierra or El Capitan on NSX
On an NSX for vSphere 6.3.x environment with SSL VPN configured and enabled, SSL VPN fails on a Mac with OS Sierra or El Capitan with the error:
“Connection to the gateway has been terminated due to server certificate validation failure.”
Windows based machines are not affected. Fixed in 6.3.3.

Fixed Issue 1770114: Error message at cluster level is not cleared after successful host preparation.
When you assign an IP pool to a cluster that does not have enough IP addresses, and then try to add a host to this cluster, you get the error “Insufficient IP addresses”. Even after you change this pool to add additional IP addresses, and you can successfully add hosts to this cluster, the error message remains at the cluster level. Fixed in 6.3.3.
Fixed Issue 1791264: Double clicking on a Transport Zone fails to enable/disable CDO mode.
If you try to enable or disable CDO mode from the Summary page that you reach after double-clicking a Transport Zone from the vSphere web client, there is no effect. Fixed in 6.3.3.
Fixed Issue 1909406: Modifying the Interface configuration for an already deployed distributed logical router or edge services gateway fails with a blank error message
Adding or modifying Interface level parameters for an already deployed distributed logical router or edge services gateway fails with a blank error message. User is unable to modify NSX Edge interface from UI. Fixed in 6.3.3.

Fixed Issue 1852988: ESG advertises BGP routes with neighbor address as next-hop
ESG advertises BGP routes to neighbor with next-hop as neighbor address, instead of local address when neighbor has “default originate” option enabled. This happens when uplink BGP session flaps. Fixed in 6.3.3.
Fixed Issue 1862125: vMotion VDR control VM back and forth causing bridge traffic drop
When bridged MACs being aged out in VDRB on standby bridge host, the MAC deletion is still sent to CCP. When vMotion control VM back and forth, the new active bridge will not get a full set of MACs from CCP and will not send the RARP for the missing MACs. This will cause the traffic to the missing VMACs sent to the previous active bridge node by the physical switch and dropped eventually. Fixed in 6.3.3.

Fixed Issue 1837273: X-Forwarded-For Header is not inserted by LB in HTTP Request
Backend server application is unable to see the client IP in the HTTP header even after enabling X-Forwarded-For option in LB HTTP Application profile. The issue occurs when HTTP Virtual Server is marked Acceleration Enabled. Fixed in 6.3.3

Fixed Issue 1849760: 100% CPU usage during and after physical network outage. The routing process may hog CPU when certain prefixes are learned over IBGP network such that the next-hop belongs to the prefix subnet. Fixed in 6.3.3.
Fixed Issue 1871926: Traffic across vlans fails when both vlans are bridged to different logical switches
When two vlans are bridged in same LDR to two logical switches and a user tries to change
the network backing of a vm from vxlan to vlan, the network connectivity between the two vlans might
drop for about 30 seconds. Fixed in 6.3.3

Fixed Issue 1878081: Some of the routes are flushed from forwarding table on the edge services gateway
For few instances, some of the routes are flushed from forwarding table. This leads to a traffic outage. Fixed in 6.3.3.

Security Services Resolved Issues in NSX 6.3.3
Fixed Issue 1786780: Reordering/moving Policies in the Service Composer UI take a long time with high CPU utilization
The reordering or re-positioning of Policies from the Service Composer UI may take a very long time with high CPU utilization. Fixed in 6.3.3.
Fixed Issue 1862224: Delay in applying partner solution firewall rules when bulk VMs are deployed
When large numbers of VMs are deployed, there can be a delay in applying partner solution firewall rules on those VMs. Fixed in 6.3.3.

Fixed Issue 1626233: When NetX service virtual machine (SVM) drops packets, traceflow does not generate dropped observation
The traceflow session exits after packet is sent to the NetX service virtual machine (SVM). When the SVM drops packets, traceflow does not generate dropped observation. Fixed in 6.3.3.

Fixed Issue 1676043: VM removed from Exclusion List after two simultaneous additions
Two simultaneous additions of the same VM to the Exclude List by two users without refreshing the UI results in the already added VMs being removed from the excluded list. Fixed in 6.3.3.
Fixed Issue 1825423/1845921: Error in system events seen when VM is migrated from one cluster to another
When a VM is migrated from one cluster to another, the SpoofGuard information of the VM is not present on the new cluster. This causes the hosts to send out error event – “Failed to apply spoofguard to vnic”. This can happen even if SpoofGuard is disabled. Fixed in 6.3.3.

Fixed Issue 1798779: After you upgrade NSX from 6.2.x to 6.3.0, the GUI of vSphere Web Client) erroneously allows you to add Universal Security Tag
6.3.0 introduces Universal Security Tags. When you try to add a Universal Security Tag to a Universal Security Group that was created on 6.2.x before the upgrade to NSX 6.3.0, the operation will fail with the error “The requested member is not a valid member”. This error is correct because you cannot add a Universal Security Tag to an NSX 6.2.x Universal Security Group. The GUI is misleading. Fixed in 6.3.3.
Fixed Issue 1890736: Audit logs don’t show the contents of previously used IP set/MAC set when firewall rule is modified
For a firewall rule with source as ipset-A, the audit logs show the contents of ipset-A correctly. When you change the source with ipset-B, ​the new audit log generated shows the content of ipset-B correctly, but not the contents of ipset-A. Fixed in 6.3.3.

Fixed Issue 1902571: Application Rule Manager (ARM) session creation failure
Application Rule Manager fails after backup and restore operation with the message “Unknown Error Occurred”. This issue occurs due to a problem with the restore script which leaves one of the backend views in unreadable state. Fixed in 6.3.3.

Fixed Issue 1890521: NETX configuration may fail when there is no VM on host
Fixed in 6.3.3.

Known Issues
The known issues are grouped as follows.

General Known Issues
Installation and Upgrade Known Issues
NSX Controller Known Issues
Logical Networking and NSX Edge Known Issues
Security Services Known Issues
Monitoring Services Known Issues
Solution Interoperability Known Issues
General Known Issues
New Issue 1874863: Unable to authenticate with changed password after sslvpn service disable/enable with local authentication server
When SSL VPN service is disabled and re-enabled and when using local authentication, users are unable to log in with changed passwords.

See VMware Knowledge Base Article 2151236 for more information.

Issue 1740625, 1749975: UI problems on Mac OS in Firefox and Safari
If you are using Firefox or Safari in Mac OS, the Back navigation button will not work in NSX Edge from the Networking and Security page in the vSphere 6.5 Web Client, and sometimes the UI freezes in Firefox.

Workaround: Use Google Chrome on Mac OS or click on the Home button then proceed as required.

Issue 1700980: For security patch CVE-2016-2775, a query name which is too long can cause a segmentation fault in lwresd
NSX 6.2.4 has BIND 9.10.4 installed with the product, but it does not use lwres option in named.conf, hence the product is not vulnerable.

Workaround: As the product is not vulnerable, no workaround is required.

Issue 1568180: Feature list incorrect for NSX when using vCenter Server Appliance (vCSA) 5.5
You can view the features of a license in the vSphere Web Client by selecting the license and clicking Actions > View Features. If you upgrade to NSX 6.2.3, your license is upgraded to an Enterprise license, which enables all features. However, if NSX Manager is registered with vCenter Server Appliance (vCSA) 5.5, selecting View Features will display the list of features for the license used before the upgrade, not the new Enterprise license.

Workaround: All Enterprise licenses have the same features, even if they are not displayed correctly in the vSphere Web Client. See the NSX Licensing Page for more information.

Installation and Upgrade Known Issues
Before upgrading, please read the section Upgrade Notes, earlier in this document.

Issue 1848058: Upgrade of ESXi host VIBs to NSX 6.3.2 might fail
In some cases, during an upgrade of ESXi host VIBs to NSX 6.3.2, the older VIB directory is deleted from NSX Manager, causing the upgrade to fail. Clicking the Resolve button does not fix the issue.

Workaround: To recover from this, use the upgrade API:

PUT https://<nsx-mgr-ip>/api/2.0/nwfabric/configure

<nwFabricFeatureConfig>
<featureId>com.vmware.vshield.vsm.vxlan</featureId>
<resourceConfig>
<resourceId>domain-cXX</resourceId>
</resourceConfig>
</nwFabricFeatureConfig>
where <nsx-mgr-ip> is the IP address of your NSX Manager, and domain-cXX is the domain id of the cluster.
Issue 1747217: Preparing ESXi hosts results in muxconfig.xml.bad and Guest Introspection does not function correctly
If the “vmx path” is missing for one of the VMs in muxconfig.xml, when MUX tries to parse the config file and doesn’t find the “xml path” property, it renames the config file as “muxconfig.xml.bad”, sends the error “Error – MUX Parsing config” to the USVM and closes the config channel.

Workaround: Remove the orphaned VMs from the vCenter inventory.

Issue 1859572: During the uninstall of NSX VIBs version 6.3.x on ESXi hosts that are being managed by vCenter version 6.0.0, the host continues to stay in Maintenance mode
If you are uninstalling NSX VIBs version 6.3.x on a cluster, the workflow involves putting the hosts into Maintenance mode, uninstalling the VIBs and then removing the hosts from Maintenance mode by the EAM service. However, if such hosts are managed by vCenter server version 6.0.0, then this results in the host being stuck in Maintenance mode post uninstalling the VIBs. The EAM service responsible for uninstalling the VIBs puts the host in Maintenance mode but fails to move the hosts out of Maintenance mode.
Workaround: Manually move the host out of Maintenance mode. This issue will not be seen if the host is managed by vCenter server version 6.5a and above.

Issue 1435504: HTTP/HTTPS Health Check appears DOWN after upgrading from 6.0.x or 6.1.x to 6.3.x with failure reason “Return code of 127 is out of bounds – plugin may be missing”
In NSX 6.0.x and 6.1.x releases, URLs configured without double quotes (“”) caused Health Check to fail with this error: “Return code of 127 is out of bounds – plugin may be missing”. The workaround for this was to add the double quotes (“”) to the input URL (this was not required for send/receive/expect fields). However, this issue was fixed in 6.2.0 and as a result, if you are upgrading from 6.0.x or 6.1.x to 6.3.x, the additional double quotes result in the pool members shown as DOWN in Health Check.
Workaround: Remove the double quotes (“”) in the URL field from all the relevant Health Check configurations after upgrading.

Issue 1734245: Data Security causes upgrades to 6.3.0 to fail
Upgrades to 6.3.0 will fail if Data Security is configured as part of a service policy. Ensure you remove Data Security from any service policies before upgrading.
Issue 1801685: Unable to see filters on ESXi after upgrade from 6.2.x to 6.3.0 because of failure to connect to host
After you upgrade from NSX 6.2.x to 6.3.0 and cluster VIBs to 6.3.0 bits, even though the installation status shows successful and Firewall Enabled, the “communication channel health” will show the NSX Manager to Firewall Agent connectivity and NSX Manager to ControlPlane Agent connectivity as down. This will lead to Firewall rules publish, Security Policy publish failures and VXLan configuration not being sent down to hosts.
Workaround: Run the message bus sync API call for the cluster using the API POST https://<NSX-IP>/api/2.0/nwfabric/configure?action=synchronize.
API Body:
<nwFabricFeatureConfig>
<featureId>com.vmware.vshield.vsm.messagingInfra</featureId>
<resourceConfig>
<resourceId>{Cluster-MOID}</resourceId>
</resourceConfig>
</nwFabricFeatureConfig>
Issue 1797307: NSX Edge may run into split-brain after upgrade or redeploy
On the standby NSX Edge, the show service highavailability CLI command shows high availability status as “Standby” but the config engine status as “Active”.
Workaround: Reboot the standby NSX Edge.

Issue 1789989: During a host cluster upgrade, you may experience packet loss in the data plane
During the VIB upgrade, the password file of VSFWD (vShield Firewall Daemon), which is kept in the VIB is removed so VSFWD cannot use the old password to connect to the NSX Manager and has to wait until the new password is updated. This process takes some time to complete after host reboot, however, in a fully automated DRS cluster VMs are moved immediately once the prepped host comes up and because the VSFWD process is not ready at that time, there is a chance of packet loss in the data plane for a brief time.
Workaround: Instead of failing back as soon as the host comes back on, delay the failback to the newly prepped host of these VMs.

Issue 1797929: Message bus channel down after host cluster upgrade
After a host cluster upgrade, vCenter 6.0 (and earlier) does not generate the event “reconnect”, and as a result, NSX Manager does not set up the messaging infrastructure on the host. This issue has been fixed in vCenter 6.5.

Workaround: Resync the messaging infrastructure as below:
POST https://<ip>:/api/2.0/nwfabric/configure?action=synchronize

<nwFabricFeatureConfig>
<featureId>com.vmware.vshield.vsm.messagingInfra</featureId>
<resourceConfig>
<resourceId>host-15</resourceId>
</resourceConfig>
</nwFabricFeatureConfig>
Issue 1768144: Old NSX Edge appliance resource reservations that exceed new limits may cause failure during upgrade or redeployment
In NSX 6.2.4 and earlier, you could specify an arbitrarily large resource reservation for an NSX Edge appliance. NSX did not enforce a maximum value.
 After NSX Manager is upgraded to 6.2.5 or later, if an existing Edge has resources reserved (especially memory) that exceed the newly enforced maximum value imposed for the chosen form factor, it would fail during Edge upgrade or redeploy (which would trigger an upgrade). For example, if the user has specified a memory reservation of 1000MB on a pre-6.2.5 LARGE Edge and, after upgrade to 6.2.5, changes the appliance size to COMPACT, the user-specified memory reservation will exceed the newly enforced maximum value, in this case 512 for a COMPACT Edge, and the operation will fail.
See Upgrading Edge Service Gateway (ESG) for information on recommended resource allocation starting in NSX 6.2.5.
Workaround: Use the appliance REST API: PUT https://<NSXManager>/api/4.0/edges/<edge-Id>/appliances/ to reconfigure the memory reservation to be within values specified for the form factor, without any other appliance changes. You can change the appliance size after this operation completes.

Issue 1600281: USVM Installation Status for Guest Introspection shows as Failed in the Service Deployments tab
If the backing datastore for the Guest Introspection Universal SVM goes offline or becomes inaccessible, the USVM may need to be rebooted or re-deployed to recover.

Workaround: Reboot or re-deploy USVM to recover.

Issue 1660373: vCenter enforces expired NSX license
As of vSphere 5.5 update 3 or vSphere 6.0.x vSphere Distributed Switch is included in the NSX license. However, vCenter does not allow ESX hosts to be added to a vSphere Distributed Switch if the NSX license is expired.

Workaround: Your NSX license must be active in order to add a host to a vSphere Distributed Switch.​

Issue 1569010/1645525: When upgrading from 6.1.x to NSX for vSphere 6.2.3 on a system connected to vCenter 5.5, the Product field in the “Assign License Key” window displays the NSX license as a generic value of “NSX for vSphere” and not a more specific version such as “NSX for vSphere – Enterprise.”

Workaround: None.

Issue 1636916: In a vCloud Air environment, when the NSX Edge version is upgraded from vCNS 5.5.x to NSX 6.x, Edge firewall rules with a source protocol value of “any” are changed to “tcp:any, udp:any”
As a result, ICMP traffic is blocked, and packet drops may be seen.

Workaround: Before upgrading your NSX Edge version, create more specific Edge firewall rules and replace “any” with specific source port values.

Issue 1474238: After vCenter upgrade, vCenter might lose connectivity with NSX
If you are using vCenter embedded SSO and you are upgrading vCenter 5.5 to vCenter 6.0, vCenter might lose connectivity with NSX. This happens if vCenter 5.5 was registered with NSX using the root user name. In NSX 6.2, vCenter registration with root is deprecated.
Note: If you are using external SSO, no change is necessary. You can retain the same user name, for example admin@mybusiness.mydomain, and vCenter connectivity will not be lost.

Workaround: Reregister vCenter with NSX using the admininstrator@vsphere.local user name instead of root.

Issue 1375794: Shutdown Guest OS for agent VMs (SVA) before powering OFF
When a host is put into maintenance mode, all service appliances are powered-off, instead of shutting down gracefully. This may lead to errors within third-party appliances.

Workaround: None.

Issue 1112628: Unable to power on the Service appliance that was deployed using the Service Deployments view
Workaround: Before you proceed, verify the following:

The deployment of the virtual machine is complete.

No tasks such as cloning, reconfiguring, and so on are in progress for the virtual machine displayed in vCenter task pane.

In the vCenter events pane of the virtual machine, the following events are displayed after the deployment is initiated:

Agent VM <vm name> has been provisioned.
Mark agent as available to proceed agent workflow.

In such a case, delete the service virtual machine. In service deployment UI, the deployment is seen as Failed. Upon clicking the Red icon, an alarm for an unavailable Agent VM is displayed for the host. When you resolve the alarm, the virtual machine is redeployed and powered on.

If not all clusters in your environment are prepared, the Upgrade message for Distributed Firewall does not appear on the Host Preparation tab of Installation page
When you prepare clusters for network virtualization, distributed firewall is enabled on those clusters. If not all clusters in your environment are prepared, the upgrade message for Distributed Firewall does not appear on the Host Preparation tab.

Workaround: Use the following REST call to upgrade Distributed Firewall:
PUT https://<nsxmgr-ip>/api/4.0/firewall/globalroot-0/state

Issue 1215460: If a service group is modified after the upgrade to add or remove services, these changes are not reflected in the firewall table
User created service groups are expanded in the Edge Firewall table during upgrade – i.e., the Service column in the firewall table displays all services within the service group. If the service group is modified after the upgrade to add or remove services, these changes are not reflected in the firewall table.

Workaround: Create a new service group with a different name and then consume this service group in the firewall rule.

Issue 1413125: SSO cannot be reconfigured after upgrade
When the SSO server configured on NSX Manager is the one native on vCenter server, you cannot reconfigure SSO settings on NSX Manager after vCenter Server is upgraded to version 6.0 and NSX Manager is upgraded to version 6.x.

Workaround: None.

Issue 1263858: SSL VPN does not send upgrade notification to remote client
SSL VPN gateway does not send an upgrade notification to users. The administrator has to manually communicate that the SSL VPN gateway (server) is updated to remote users and they must update their clients.

Workaround: Users need to uninstall the older version of client and install the latest version manually.

Issue 1462319: The esx-dvfilter-switch-security VIB is no longer present in the output of the “esxcli software vib list | grep esx” command.
Starting in NSX 6.2, the esx-dvfilter-switch-security modules are included within the esx-vxlan VIB. The only NSX VIBs installed for 6.2 are esx-vsip and esx-vxlan. During an NSX upgrade to 6.2, the old esx-dvfilter-switch-security VIB gets removed from the ESXi hosts.
Starting in NSX 6.2.3, a third VIB, esx-vdpi, is provided along with the esx-vsip and esx-vxlan NSX VIBs. A successful installation will show all 3 VIBs.

Workaround: None.

Issue 1481083: After the upgrade, logical routers with explicit failover teaming configured might fail to forward packets properly
When the hosts are running ESXi 5.5, the explicit failover NSX 6.2 teaming policy does not support multiple active uplinks on distributed logical routers.

Workaround: Alter the explicit failover teaming policy so that there is only one active uplink and the other uplinks are in standby mode.

Issue 1485862: Uninstalling NSX from a host cluster sometimes results in an error condition
When using the Uninstall action on the Installation: Host Preparation tab, an error might occur with the eam.issue.OrphanedAgency message appearing in the EAM logs for the hosts. After using the Resolve action and rebooting the hosts, the error state continues even though the NSX VIBs are successfully uninstalled.

Workaround: Delete the orphaned agency from the vSphere ESX Agent Manager (Administration: vCenter Server Extensions: vSphere ESX Agent Manager).

Issue 1411275: vSphere Web Client does not display Networking and Security tab after backup and restore in NSX vSphere 6.2
When you perform a backup and restore operation after upgrading to NSX vSphere 6.2, the vSphere Web Client does not display the Networking and Security tab.

Workaround: When an NSX Manager backup is restored, you are logged out of the Appliance Manager. Wait a few minutes before logging in to the vSphere Web Client.

New Issue 1932907: Upgrade of Guest Introspection SVM Failed
While trying to upgrade the Guest Introspection SVM, the installation status for the GI SVM is ‘Failed’. This might be applicable for GI-SVMs of one or multiple hosts in the cluster.

Workaround:
1. Delete the GI-SVM from the VC.
2. Click Resolve in the GI-SVM Service deployment pane. This will re-deploy the GI-SVM.

Service virtual machine deployed using the Service Deployments tab on the Installation page does not get powered on

Workaround:

Manually remove the service virtual machine from the ESX Agents resource pool in the cluster.
Click Networking and Security and then click Installation.
Click the Service Deployments tab.
Select the appropriate service and click the Resolve icon.
The service virtual machine is redeployed.

Issue 1764460: After completing Host Preparation, all cluster members appear in ready state, but cluster level erroneously appears as “Invalid”
After you complete Host Preparation, all cluster members correctly appear in “Ready” state, but cluster level appears as “Invalid” and the reason displayed is that you need a host reboot, even though the host has already been rebooted.
Workaround: Click on the red warning icon and select Resolve.

NSX Manager Known Issues

New Issue 1892999: Cannot modify the Unique Selection Criteria even when no VMs are attached to the Universal Security Tag
If a VM attached to a universal security tag gets deleted, an internal object representing the VM still remains attched to the universal security tag. This causes the universal selection criteria change to fail with error that universal security tags are still attached to VMs.

Workaround: Delete all the universal security tags and then change the universal selection criteria.

New Issue 1926309: NSX Manager Plug-in is not able to load and shows “Authentication Exception”
Sometimes NSX Manager Plug-in is unable to load any pages and eventually displaying timeout error.

Workaround: Restart the NSX management service or reboot NSX manager appliance.

New Issue 1904842: NSX Manager is not registering with vCenter or Platform Service Controller
NSX Manager is not appearing on UI and any REST call to the NSX Manager fails.

Workaround: Restart the NSX management service or reboot NSX manager appliance.

Issue 1801325: ‘Critical’ system events and logging generated in the NSX Manager with high CPU and/or disk usage
You may encounter one or more of the following problems when you have high disk space usage, high churn in job data, or a high job queue size on the NSX Manager:
‘Critical’ system events in the vSphere web client
High disk usage on NSX Manager for /common partition
High CPU usage for prolonged periods or at regular intervals
Negative impact on NSX Manager’s performance
Workaround: Contact VMware customer support. See VMware Knowledge Base article 2147907 for more information.

Issue 1781080: DNS search configuration fails when more than one domain is added, using comma separation
When adding more than one domain search suffix to NSX Manager, all DNS lookups not using the fully qualified name will fail. This is due to an internal formatting issue of /etc/resolv.conf.
Workaround: Use a single DNS search suffix.

Issue 1806368: Reusing controllers from a previously failed primary NSX Manager which is made primary again after a failover causes the DLR config to not be pushed to all hosts
In a cross-vCenter NSX setup, when the primary NSX Manager fails, a secondary NSX Manager is promoted to primary and a new controller cluster is deployed to be used with the newly promoted secondary (now primary) NSX Manager. When the primary NSX Manager is back on, the secondary NSX Manager is demoted and the primary NSX Manager is restored. In this case, if you reuse the existing controllers that were deployed on this primary NSX Manager before the failover, the DLR config is not pushed to all hosts. This issue does not arise if you create a new controller cluster instead.
Workaround: Deploy a new controller cluster for the restored primary NSX Manager.

Issue 1831131: Connection from NSX Manager to SSO fails when authenticated using the LocalOS user
Connection from NSX Manager to SSO fails when authenticated using the LocalOS user with the error: “Could not establish communication with NSX Manager. Please contact administrator.”
Workaround: Add the Enterprise Admin role for nsxmanager@localos in addition to nsxmanager@domain.

Issue 1800820: UDLR interface update fails on secondary NSX Manager when the old UDLR interface is already deleted from the system
In a scenario where the Universal Synchronization Service (Replicator) stops working on the primary NSX Manager, you have to delete the UDLR (Universal Distributed Logical Router) and ULS (Universal Logical Switch) interfaces on the primary NSX Manager and create new ones, and then replicate these on the secondary NSX Manager. In this case, the UDLR interface does not get updated in the secondary NSX Manager because a new ULS gets created on the secondary NSX Manager during replication and the UDLR is not connected with the new ULS.
Workaround: Ensure that the replicator is running and delete the UDLR interface (LIF) on the primary NSX Manager which has a newly created ULS as backing and recreate the UDLR interface (LIF) again with the same backing ULS.

Issue 1772911: NSX Manager performing very slowly with disk space consumption, and task and job table sizes increasing with close to 100% CPU usage
You will experience the following:
NSX Manager CPU is at 100% or is regularly spiking to 100% consumption and adding extra resources to NSX Manager appliance does not make a difference.
Running the show process monitor command in the NSX Manager Command Line Interface (CLI) displays the Java process that is consuming the highest CPU cycles.
Running the show filesystems command on the NSX Manager CLI shows the /common directory as having a very high percentage in use, such as > 90%.
Some of the configuration changes time out (sometimes taking over 50 minutes) and are not effective.
See VMware Knowledge Base article 2147907 for more information.

Workaround: Contact VMware customer support for a resolution of this problem.

Issue 1785142: Delay in showing ‘Synchronization Issues’ on primary NSX Manager when communication between primary and secondary NSX Manager is blocked.
When communication between primary and secondary NSX Manager is blocked, you will not immediately see ‘Synchronization Issues’ on the primary NSX Manager.
Workaround: Wait for about 20 minutes for communication to be reestablished.

Issue 1786066: In a cross-vCenter installation of NSX, disconnecting a secondary NSX Manager may render that NSX Manager unable to reconnect as secondary
In a cross-vCenter installation of NSX, if you disconnect a secondary NSX Manager, you may be unable to re-add that NSX Manager later as a secondary NSX Manager. Attempts to reconnect the NSX Manager as secondary will result in the NSX Manager being listed as “Secondary” in the Management tab of the vSphere Web Client, but the connection to the primary is not established.

Workaround:

Disconnect the secondary NSX Manager from the primary NSX Manager.
Add the secondary NSX Manager again to the primary NSX Manager.

Issue 1713669: NSX Manager fails due to full disk when database table ai_useripmap grows too large
This issue causes the NSX Manager appliance disk to become full, resulting in the failure of the NSX Manager. The postgres process cannot be started after a reboot. The “/common” partition is full. This occurs most commonly in sites that place a heavy load on the Event Log Server (ELS) and in sites with a large amount of Guest Introspection (GI) traffic. Sites that use Identity Firewall (IDFW) are frequently affected. See VMware Knowledge Base article 2148341 for more information.
Workaround: Contact VMware customer support for help in recovering from this issue.

Issue 1715354: Delay in availability of the REST API
The NSX Manager API takes some time to be up and running after NSX Manager restarts when FIPS mode is toggled. It may appear as if the API is hung, but this occurs because it takes time for the controllers to re-establish connection with the NSX Manager. You are advised to wait for the NSX API server to be up and running and ensure all controllers are in the connected state before doing any operations.
Issue 1441874: Upgrading a single NSX Manager in a vCenter Linked Mode Environment displays an error message
In an environment with multiple VMware vCenter Servers with multiple NSX Managers, when selecting one or more NSX Managers from the vSphere Web Client > Networking and Security > Installation > Host Preparation, you see this error:
“Could not establish communication with NSX Manager. Please contact administrator.”
Workaround: See VMware Knowledge Base article 2127061 for more information.

Issue 1696750: Assigning an IPv6 address to NSX Manager via PUT API requires a reboot to take effect
Changing the configured network settings for NSX Manager via https://{NSX Manager IP address}/api/1.0/appliance-management/system/network requires a system reboot to take effect. Until the reboot, pre-existing settings will be shown.
Workaround: None.

Issue 1529178: Uploading a server certificate which does not include a common name returns an “internal server error” message
If you upload a server certificate that does not have any common name, an “internal server error” message appears.

Workaround: Use a server certificate which has both a SubAltName and a common name, or at least a common name.

Issue 1655388: NSX Manager 6.2.3 UI displays English language instead of local language when using IE11/Edge browser on Windows 10 OS for JA, CN, and DE languages
When you launch NSX Manager 6.2.3 with IE11/Edge browser on Windows 10 OS for JA, CN, and DE languages, English language is displayed.

Workaround:

Launch the Microsoft Registry Editor (regedit.exe), and go to Computer > HKEY_CURRENT_USER > SOFTWARE > Microsoft > Internet Explorer > International.
Modify the value of AcceptLanguage file to native language. For example, If you want to change language to DE, change value and make the DE show the first position.
Restart the browser, and log in to the NSX Manager again. Appropriate language is displayed.

Issue 1435996: Log files exported as CSV from NSX Manager are timestamped with epoch not datetime
Log files exported as CSV from NSX Manager using the vSphere Web Client are timestamped with the epoch time in milliseconds, instead of with the appropriate time based on the time zone.
Workaround: None.

Issue 1644297: Add/delete operation for any DFW section on the primary NSX creates two DFW saved configurations on the secondary NSX
In a cross-vCenter setup, when an additional universal or local DFW section is added to the primary NSX Manager, two DFW configurations are saved on the secondary NSX Manager. While it does not affect any functionality, this issue will cause the saved configurations limit to be reached more quickly, possibly overwriting critical configurations.
Workaround: None.

Issue 1477138: NSX management service doesn’t come up when the hostname’s length is more than 64 characters
Certificate creation via OpenSSL library requires a hostname less than or equal to 64 characters.
Issue 1437664: NSX Manager list slow to display in Web Client
In vSphere 6.0 environments with multiple NSX Managers, the vSphere web client may take up to two minutes to display the list of NSX Managers when the logged-in user is being validated with a large AD Group set. You may see a data service timeout error when attempting to display the NSX Manager list. There is no workaround. You must wait for the list to load/relogin to see the NSX Manager list.
Issue 1534606: Host Preparation Page fails to load
When running vCenter in linked mode, each vCenter must be connected to an NSX Manager on the same NSX version. If the NSX versions differ, the vSphere Web Client will only be able to communicate with the NSX Manager running the higher version of NSX. An error similar to “Could not establish communication with NSX Manager. Please contact administrator,” will be displayed on the Host Preparation tab.
Workaround: All NSX Managers should be upgraded to the same NSX software version.

Issue 1386874: Networking and Security Tab not displayed in vSphere Web Client
After vSphere is upgraded to 6.0, you cannot see the Networking and Security Tab when you log in to the vSphere Web Client with the root user name.
Workaround: Log in as administrator@vsphere.local or as any other vCenter user which existed on vCenter Server before the upgrade and whose role was defined in NSX Manager.

Issue 1027066: vMotion of NSX Manager may display the error message, “Virtual ethernet card Network adapter 1 is not supported”
You can ignore this error. Networking will work correctly after vMotion.
Issue 1460766: NSX Manager UI do not automatically log out after changing password using NSX Command Line Interface
If you are logged in to NSX Manager and recently changed your password using CLI, you might continue to stay logged in to the NSX Manager UI using your old password. Typically, NSX Manager client should automatically log you out if the session times out for being inactive.
Workaround: Log out from the NSX Manager UI and log back in with your new password.

Issue 1467382: Unable to edit a network host name
After you login to NSX Manager virtual appliance and navigate to the Appliance Management, click Manage Appliance Settings, and click Network under Settings to edit the network host name, you might receive an invalid domain name list error. This happens when the domain names specified in the Search Domains field are separated with whitespace characters, instead of commas. NSX Manager only accepts domain names that are comma separated.

Workaround:

Log in to the NSX Manager virtual appliance.

Under Appliance Management, click Manage Appliance Settings.

From the Settings panel, click Network.

Click Edit next to DNS Servers.

In the Search Domains field, replace all whitespace characters with commas.

Click OK to save the changes.

Issue 1436953: False system event is generated even after successfully restoring NSX Manager from a backup
After successfully restoring NSX Manager from a backup, the following system events appear in the vSphere Web Client when you navigate to Networking & Security: NSX Managers: Monitor: System Events.
Restore of NSX Manager from backup failed (with Severity=Critical).

Restore of NSX Manager successfully completed (with Severity=Informational).

Workaround: If the final system event message shows as successful, you can ignore the system generated event messages.
NSX Controller Known Issues
New Issue 1856465: If an ESXi host is down on one of the site in a NSX Cross-vCenter environment, the CDO mode does not get enabled on that site
If an ESXi host is down on a site, enabling or disabling CDO mode will not be completely successfully on that site.
If the host is down on one of the Secondary site, the CDO mode operation will succeed on the Primary site. However the CDO mode operation will fail on the Secondary site. This may lead to inconsistent behavior.

Workaround: This issue impacts NSX 6.3.0 and above.

Ensure that all the ESXi hosts are up before doing any CDO operations.
In order to recover from an inconsistent state, remove the host from the vCenter inventory and add it again.
Issue 1306408: NSX Controller logs must be downloaded sequentially
NSX Controller logs cannot be downloaded simultaneously. Even when downloading from multiple controllers, you must wait for the download from the current controller to finish before you start the download from the next controller. Note also that you cannot cancel a log download once it has started.
Workaround: Wait for the current controller log download to finish before starting another log download.

Logical Networking and NSX Edge Known Issues
New Issue 1904612: Layer 2 VPN tunnel displays “up” on L2VPN server when client is powered off
If you create a L2 VPN between two NSX Edges, then power down the client NSX Edge, the Server NSX Edge still displays that the VPN tunnel is up.

Workaround: None.

New Issue 1242207: Changing router ID during the run time is not reflected in OSPF topology
If you try to change router ID without disabling OSPF, new external link-state advertisements (LSAs) are not re-generated with this router ID causing loss of OSPF external routes.

Disable OSPF, change router ID and then enable OSPF again.

Issue 1492497: Cannot filter NSX Edge DHCP traffic
You cannot apply any firewall filters to DHCP traffic on an NSX Edge because the DHCP server on an NSX Edge utilizes raw sockets that bypass the TCP/IP stack.
Workaround: None.

Issue 1781438: On the ESG or DLR NSX Edge appliances, the routing service does not send an error message if it receives the BGP path attribute MULTI_EXIT_DISC more than once.
The edge router or distributed logical router does not send an error message if it receives the BGP path attribute MULTI_EXIT_DISC more than once. AS per RFC 4271 [Sec 5], the same attribute (attribute with the same type) cannot appear more than once within the Path Attributes field of a particular UPDATE message.
Workaround: None.

Issue 1786515: User with ‘Security Administrator’ privileges unable to edit the load balancer configuration through the vSphere web client UI.
A user with “Security Administrator” privileges for a specific NSX Edge is not able to edit the Global Load Balancer Configuration for that edge, using the vSphere web client UI. The following error message is displayed: “User is not authorized to access object Global and feature si.service, please check object access scope and feature permissions for the user.”
Workaround: None.

Issue 1849042/1849043: Admin account lockout when password aging is configured on the NSX Edge appliance
If password aging is configured for the admin user on the NSX Edge appliance, when the password ages out there is a 7 day period where the user will be asked to change the password when logging into the appliance. Failure to change the password will result in the account being locked. Additionally, if the password is changed at the time of logging in at the CLI prompt, the new password may not meet the strong password policy enforced by the UI and REST.
Workaround: To avoid this problem, always use the UI or REST API to change the admin password before the existing password expires. If the account does become locked, also use the UI or REST API to configure a new password and the account will become unlocked again.

Issue 1711013: Takes about 15 minutes to sync FIB between Active/Standby NSX Edge after rebooting the standby VM.
When a standby NSX Edge is powered off, the TCP session is not closed between active and standby mode. The active edge will detect that standby is down after keepalive (KA) failure (15 minutes). After 15 minutes, a new socket connection is established with the standby edge and FIB is synced between the active/standby edge.
Workaround: None.

Issue 1733282: NSX Edge no longer supports static device routes
NSX Edge does not support configuration of static routes with NULL nexthop address.
Workaround: None.

Issue 1860583: Avoid using remote sysloggers as FQDN if DNS is not reachable.
On an NSX edge, if the remote sysloggers are configured using FQDN and DNS is not reachable, then routing functionality might be impacted. The problem might not happen consistently.
Workaround: It is recommended to use IP addresses instead of FQDN.

Issue 1850773: NSX Edge NAT reports invalid configuration when multiple ports are used on the Load Balancer configuration
This issue occurs every time you configure a Load Balancer virtual server with more than one port. Due to this, NAT becomes unmanageable while this configuration state exists for the affected NSX Edge.
Workaround: See VMware Knowledge Base article 2149942 for more information and workaround.

Issue 1798847: In a Cross-vCenter NSX setup, update of VXLAN UDP port can get stuck forever.
If primary NSX Manager does not have any secondary NSX Managers configured, then updating VXLAN UDP port hangs forever.
Workaround: Use NSX Manager API to resume port update workflow on primary NSX Manager.

Issue 1764258: Traffic blackholed for upto eight minutes post HA failover or Force-Sync on NSX Edge configured with sub-interface
If an HA failover is triggered or you start a Force-Sync over a sub-interface, traffic is blackholed for upto eight minutes.
Workaround: Do not use subinterfaces for HA.

Issue 1767135: Errors when trying to access certificates and application profiles under Load Balancer
Users with Security Admin privileges and Edge scope are unable to access certificates and application profiles under Load Balancer. The vSphere Web Client shows error messages.
Workaround: None.

Issue 1792548: NSX Controller may get stuck at the message: ‘Waiting to join cluster’
NSX Controller may get stuck at the message: ‘Waiting to join cluster’ (CLI command:show control-cluster status). This occurs because the same IP address has been configured for eth0 and breth0 interfaces of the controller while the controller is coming up. You can verify this by using the following CLI command on the controller: show network interface
Workaround: Contact VMware customer support.

Issue 1747978: OSPF adjacencies are deleted with MD5 authentication after NSX Edge HA failover
In an NSX for vSphere 6.2.4 environment where the NSX Edge is configured for HA with OSPF graceful restart configured and MD5 is used for authentication, OSPF fails to start gracefully. Adjacencies forms only after the dead timer expires on the OSPF neighbor nodes.
Workaround: None

Issue 1804116: Logical Router goes into Bad State on a host that has lost communication with the NSX Manager
If a Logical Router is powered on or redeployed on a host that has lost communication with the NSX Manager (due to NSX VIB upgrade/install failure or host communication issue), the Logical Router will go into Bad State and continuous auto-recovery operation via Force-Sync will fail.
Workaround: After resolving the host and NSX Manager communication issue, reboot the NSX Edge manually and wait for all interfaces to come up. This workaround is only needed for Logical Routers and not NSX Edge Services Gateway (ESG) because the auto-recovery process via force-sync reboots NSX Edge.

Issue 1783065: Cannot configure Load Balancer for UDP port along with TCP by IPv4 and IPv6 address together
UDP only supports ipv4-ipv4, ipv6-ipv6 (frontend-backend). There is a bug in NSX Manager that even IPv6 link local address is read and pushed as an IP address of the grouping object, and you cannot select IP protocol to use in LB configuration.

Here is an example LB configuration demonstrating the issue:
In the Load Balancer configuration, pool “vCloud_Connector” is configured with a grouping object (vm-2681) as pool member and this object contains both IPv4 and IPv6 addresses, which cannot be supported by LB L4 Engine.

{
“algorithm” : {

},
“members” : [
{
… ,

}
],
“applicationRules” : [],
“name” : “vCloud_Connector”,
“transparent” : {
“enable” : false
}
}

{
“value” : [
“fe80::250:56ff:feb0:d6c9”,
“10.204.252.220”
],
“id” : “vm-2681”
}
Workaround:

Option 1: Enter the IP address of the pool member instead of grouping objects in pool member.
Option 2: Do not use IPv6 in the VMs.

Issue 1777792: Peer Endpoint set as ‘ANY’ causes IPSec connection to fail
When IPSec configuration on NSX Edge sets remote peer endpoint as ‘ANY’, the Edge acts as an IPSec “server” and waits for remote peers to initiate connections. However, when the initiator sends a request for authentication using PSK+XAUTH, the Edge displays this error message: “initial Main Mode message received on XXX.XXX.XX.XX:500 but no connection has been authorized with policy=PSK+XAUTH” and IPsec can’t be established.
Workaround: Use specific peer endpoint IP address or FQDN in IPSec VPN configuration instead of ANY.

Issue 1741158: Creating a new, unconfigured NSX Edge and applying configuration can result in premature Edge service activation.
If you use the NSX API to create a new, unconfigured NSX Edge, then make an API call to disable one of the Edge services on that Edge (for example, set dhcp-enabled to “false”), and finally apply configuration changes to the disabled Edge service, that service will be made active immediately.
Workaround: After you make a configuration change to an Edge service that you wish to keep in disabled state, immediately issue a PUT call to set the enabled flag to “false” for that service.

Issue 1758500: Static route with multiple next-hops does not get installed in NSX Edge routing and forwarding tables if at least one of the next-hop configured is the Edge’s vNIC IP address
With ECMP and multiple next-hop addresses, NSX allows the Edge’s vNIC’s IP address to be configured as next-hop if at least one of the next-hop IP addresses is valid. This is accepted without any errors or warnings but route for the network is removed from the Edge’s routing/forwarding table.
Workaround: Do not configure the Edge’s own vNIC IP address as a next-hop in static route when using ECMP.

Issue 1716464: NSX Load Balancer will not route to VMs newly tagged with a Security tag.
If we deploy two VMs with a given tag, and then configure an LB to route to that tag, the LB will successfully route to those two VMs. But if we then deploy a third VM with that tag, the LB only routes to the first two VMs.
Workaround: Click “Save” on the LB Pool. This rescans the VMs and will start routing to newly tagged VMs.

Issue 1753621: When Edge with private local AS sends routes to EBGP peers, all the private AS paths are stripped off from the BGP routing updates sent.
NSX currently has a limitation that prevents it from sharing the full AS path with eBGP neighbors when the AS path contains only private AS paths. While this is the desired behavior in most cases, there are cases in which the administrator may want to share private AS paths with an eBGP neighbor.
Workaround: No workaround available to make the Edge announce all the AS paths in the BGP update.

Issue 1461421: “show ip bgp neighbor” command output for NSX Edge retains the historical count of previously established connections
The “show ip bgp neighbor” command displays the number of times that the BGP state machine transitioned into the Established state for a given peer. Changing the password used with MD5 authentication causes the peer connection to be destroyed and re-created, which in turn will clear the counters. This issue does not occur with an Edge DLR.

Workaround: To clear the counters, execute the “clear ip bgp neighbor” command.

Issue 1676085: Enabling Edge HA will fail if resource reservation fails
Starting with NSX for vSphere 6.2.3, enabling high availability on an existing Edge will fail when sufficient resources cannot be reserved for the second Edge VM appliance. The configuration will roll back to the last known good configuration. In previous releases, if HA is enabled after Edge deployment and resource reservation fails, the Edge VM still is created.

Workaround: This is an expected change in behavior.

Issue 1656713: IPsec Security Policies (SPs) missing on the NSX Edge after HA failover, traffic cannot flow over tunnel
The Standby > Active switchover will not work for traffic flowing on IPsec tunnels.

Workaround: Disable/Enable IPsec after the NSX Edge switchover.

Issue 1354824: When an Edge VM becomes corrupted or becomes otherwise unreachable due to such reasons as a power failure, system events are raised when the health check from NSX Manager fails
The system events tab will report “Edge Unreachability” events. The NSX Edges list may continue to report a Status of Deployed.

Workaround: Use the following API to get detailed status information about an NSX Edge:

GET https://NSX-Manager-IP-Address/api/4.0/edges/edgeId/status?detailedStatus=true
Issue 1647657: Show commands on an ESXi host with DLR (Distributed Logical Router) display no more than 2000 routes per DLR instance
Show commands on an ESXi host with DLR enabled will not show more than 2000 routes per DLR instance, although more than this maximum may be running. This issue is a display issue, and the data path will work as expected for all routes.

Workaround: None.

Issue 1634215: OSPF CLI commands output does not indicate whether routing is disabled
When OSPF is disabled, routing CLI commands output does not show any message saying “OSPF is disabled”. The output is empty.

Workaround: The show ip ospf command will display the correct status.

Issue 1647739: Redeploying an Edge VM after a vMotion operation will cause the Edge or DLR VM to be placed back on the original cluster.
Workaround: To place the Edge VM in a different resource pool or cluster, use the NSX Manager UI to configure the desired location.

Issue 1463856: When NSX Edge Firewall is enabled, existing TCP connections are blocked
TCP connections are blocked through the Edge stateful firewall as the initial three-way handshake cannot be seen.
Workaround: To handle such existing flows, do the following. Use the NSX REST API to enable the flag “tcpPickOngoingConnections” in the firewall global configuration. This switches the firewall from strict mode to lenient mode. Next, enable the firewall. Once existing connections have been picked up (this may take a few minutes after you enable the firewall), set the flag “tcpPickOngoingConnections” back to false to return the firewall to strict mode. (This setting is persistent.)

PUT /api/4.0/edges/{edgeId}/firewall/config/global

<globalConfig>
<tcpPickOngoingConnections>true</tcpPickOngoingConnections>
</globalConfig>
Issue 1374523: Reboot ESXi, or run [services.sh restart] after installation of VXLAN VIB to make the VXLAN commands available using esxcli
After installation of VXLAN VIB, you must reboot ESXi or run the [services.sh restart] command, so that the VXLAN commands becomes available using esxcli.

Workaround: Instead of using esxcli, use localcli.

Issue 1525003: Restoring an NSX Manager backup with an incorrect passphrase will silently fail as critical root folders cannot be accessed
Workaround: None.

Issue 1637639: When using the Windows 8 SSL VPN PHAT client, the virtual IP is not assigned from the IP pool
On Windows 8, the virtual IP address is not assigned as expected from the IP pool when a new IP address is assigned by the Edge Services Gateway or when the IP pool changes to use a different IP range.
Workaround: This issue occurs only on Windows 8. Use a different Windows OS to avoid experiencing this issue.

Issue 1628220: DFW or NetX observations are not seen on receiver side
Traceflow may not show DFW and NetX observations on receiver side if switch port associated with the destination vNIC changed. It will not be fixed for vSphere 5.5 releases. For vSphere 6.0 and up, there is no such issue.
Workaround: Do not disable vNIC. Reboot VM.

Issue 1483426: IPsec and L2 VPN service status shows as down even when the service is not enabled
Under the Settings tab in the UI, the L2 service status is displayed as down, however the API shows the L2 status as up. L2 VPN and IPsec service always shows as down in the Settings tab unless the UI page is refreshed.
Workaround: Refresh the page.

Issue 1446327: Some TCP-based applications may time out when connecting through NSX Edge
The default TCP established connection inactivity timeout is 3600 seconds. The NSX Edge deletes any connections idle for more than the inactivity timeout and drops those connections.
Workaround:
If the application has a relatively long inactivity time, enable TCP keepalives on the hosts with keep_alive_interval set to less than 3600 seconds.
Increase the Edge TCP inactivity timeout to greater than 2 hours using the following NSX REST API. For example, to increase the inactivity timeout to 9000 seconds. NSX API URL:
/api/4.0/edges/{edgeId}/systemcontrol/config PUT Method <systemControl> <property>sysctl.net.netfilter.nf_conntrack_tcp_timeout_established=9000</property> </systemControl>
Issue 1089238: Cannot configure OSPF on more than one DLR Edge uplink
Currently it is not possible to configure OSPF on more than one of the eight DLR Edge uplinks. This limitation is a result of the sharing of a single forwarding address per DLR instance.
Workaround: This is a current system limitation and there is no workaround.

Issue 1499978: Edge syslog messages do not reach remote syslog server
Immediately after deployment, the Edge syslog server cannot resolve the hostnames for any configured remote syslog servers.
Workaround: Configure remote syslog servers using their IP address, or use the UI to Force Sync the Edge.

Issue 1489829: Logical router DNS Client configuration settings are not fully applied after updating REST Edge API
Workaround: When you use REST API to configure DNS forwarder (resolver), perform the following steps:

Specify the DNS Client XML server’s settings so that they match the DNS forwarder setting.

Enable DNS forwarder, and make sure that the forwarder settings are same as the DNS Client server’s settings specified in the XML configuration.

Issue 1243112: Validation and error message not present for invalid next hop in static route, ECMP enabled
When trying to add a static route, with ECMP enabled, if the routing table does not contain a default route and there is an unreachable next hop in the static route configuration, no error message is displayed and the static route is not installed.
Workaround: None.

Issue 1281425: If an NSX Edge virtual machine with one sub interface backed by a logical switch is deleted through the vCenter Web Client user interface, data path may not work for a new virtual machine that connects to the same port
When the Edge virtual machine is deleted through the vCenter Web Client user interface (and not from NSX Manager), the VXLAN trunk configured on dvPort over opaque channel does not get reset. This is because trunk configuration is managed by NSX Manager.
Workaround: Manually delete the VXLAN trunk configuration by following the steps below:

Navigate to the vCenter Managed Object Browser by typing the following in a browser window:
https://<vc-ip>/mob?vmodl=1
Click Content.
Retrieve the dvsUuid value by following the steps below.
Click the rootFolder link (for example, group-d1(Datacenters)).
Click the data center name link (for example, datacenter-1).
Click the networkFolder link (for example, group-n6).
Click the DVS name link (for example, dvs-1)
Copy the value of uuid.
Click DVSManager and then click updateOpaqueDataEx.
In selectionSet, add the following XML.
<selectionSet xsi:type=”DVPortSelection”>
<dvsUuid>value</dvsUuid>
<portKey>value</portKey> <!–port number of the DVPG where trunk vnic got connected–>
</selectionSet>
In opaqueDataSpec, add the following XML
<opaqueDataSpec>
<operation>remove</operation>
<opaqueData>
<key>com.vmware.net.vxlan.trunkcfg</key>
<opaqueData></opaqueData>
</opaqueData>
</opaqueDataSpec>
Set isRuntime to false.
Click Invoke Method.
Repeat steps 5 through 8 for each trunk port configured on the deleted Edge virtual machine.

Issue 1637939: MD5 certificates are not supported while deploying hardware gateways
While deploying hardware gateway switches as VTEPs for logical L2 VLAN to VXLAN bridging, the physical switches support at minimum SHA1 SSL certificates for OVSDB connection between the NSX controller and OVSDB switch.
Workaround: None.

Issue 1637943: No support for hybrid or multicast replication modes for VNIs that have a hardware gateway binding
Hardware gateway switches when used as VTEPs for L2 VXLAN-to-VLAN bridging support Unicast replication mode only.
Workaround: Use Unicast replication mode only.

New Issue 1894277: IPSec site configuration PSK is not retained when the local or peer subnet gets changed
As the masked PSK gets saved in the database, tunnel between the peers won’t come up because of the password mismatch.

Workaround: Reconfigure the IPSec configuration with a valid password.

Security Services Known Issues
New Issue 1918023: Guest Introspection USVM consumes 100% memory
Guest Introspection USVM consumes 100% memory and might result in guest VMs losing connectivity to Guest Introspection USVM.

Workaround: See VMware Knowledge Base article 2151235 for more information and workarounds.

New Issue 1897878: ESXi tasks and events displays error “Lost Communication with ESX module”
If the ESXi host Guest Introspection module (EPSec Mux) loses communication with the ESX module, the error “Lost Communication with ESX module” appears on the ESXi hosts.

Workaround: See VMware Knowledge Base article 2151235 for more information and workarounds.

Issue 1854661: In a cross-VC setup, filtered firewall rules do not display the index value when you switch between NSX Managers
After you apply a rule filter criteria to an NSX Manager and then switch to a different NSX Manager, the rule index shows as ‘0’ for all filtered rules instead of showing the actual position of the rule.
Workaround: Clear the filter to see the rule position.

Issue 1846402: Multiple IP addresses on same vNIC cause delays in firewall publish operation
The problem occurs when a vNIC has multiple IP addresses and ARP snooping is enabled. Each packet out of vNIC may result in an ARP message from host to manager with the newly discovered IP. This is because the host is able to send only one ARP snooped IP address to manager. When the vNIC switches between the IPs, host detects the IP as new and sends the ARP snooped message to manager. This usually results in container messages churn on the NSX Manager, resulting in delays in realizing firewall configuration on host.
Workaround: Disable ARP snooping when vNICs have multiple IP addresses. Use DHCP snooping or VMTools instead.

Issue 1474650: For NetX users, ESXi 5.5.x and 6.x hosts experience a purple diagnostic screen mentioning ALERT: NMI: 709: NMI IPI received
When a large number of packets are transmitted or received by a service VM, DVFilter continues to dominate the CPU resulting in heartbeat loss and a purple diagnostic screen. See VMware Knowledge Base article 2149704 for more information.
Workaround: Upgrade the ESXi host to any of the following ESXi versions that are the minimum required to use NetX:

5.5 Patch 10
ESXi 6.0U3
ESXi 6.5
Issue 1799543: After upgrading from NSX 6.2.x to NSX 6.3.0, the vSphere Web Client erroneously shows and allows you to select NSX 6.2.x Universal Security Groups and non Active-Standby Universal Security Groups when you are creating the first Active-Standby Universal Security Group.
When you create the very first ActiveStandby Universal Security Group, the vSphere Web Client UI shows and allows you to add a Universal Security Group which was created on NSX 6.2.x. The operation will fail with the error “The requested member is not a valid member”.
Workaround: Create at least one Active-Standby Universal Security Group, then while creating the next ActiveStandby Universal Security Group, this problem will not occur.

Issue 1787680: Deleting Universal Firewall Section fails when NSX Manager is in Transit mode
When you try to delete a Universal Firewall Section from the UI of an NSX Manager in Transit mode, and publish, the Publish fails and as a result you are not able to set the NSX Manager to Standalone mode.
Workaround: Use the Single Delete Section REST API to delete the Universal Firewall Section.

Issue 1741844: Using ARP snooping to detect address of vNIC with multiple IP addresses results in 100% CPU consumption
This issue occurs when a virtual machine’s vNIC is configured with multiple IP addresses and ARP snooping is enabled for IP detection. The IP discovery module keeps sending vNIC-IP updates to the NSX Manager continuously to change the vNIC-IP mapping for all VMs configured with multiple IP addresses.
Workaround: There is no workaround. Currently the ARP snooping feature supports only one IP address per vNIC. For more information, see the section IP Discovery for Virtual Machines in the NSX Administration Guide.

Issue 1689159: The Add Rule feature in Flow Monitoring does not work correctly for ICMP flows.
When adding a rule from Flow Monitoring, the Services field will remain blank if you do not explicitly set it to ICMP and as a result, you may end up adding a rule with the service type “ANY”.
Workaround: Update the Services field to reflect ICMP traffic.

Issue 1632235: During Guest Introspection installation, network drop down list displays “Specified on Host” only
When installing Guest Introspection with the NSX anti-virus-only license and vSphere Essential or Standard license, the network drop down list will display only the existing list of DV port groups. This license does not support DVS creation.
Workaround: Before installing Guest Introspection on a vSphere host with one of these licenses, first specify the network in the “Agent VM Settings” window.

Issue 1652155: Creating or migrating firewall rules using REST APIs may fail under certain conditions and report HTTP 404 error
Adding or migrating firewall rules using REST APIs is not supported under these conditions:
Creating firewall rules as a bulk operation when the autosavedraft=true is set.
Adding firewall rules in sections concurrently.
Workaround: Set the autoSaveDraft parameter to false in the API call when performing bulk firewall rule creation or migration.

Issue 1509687: URL length supports up to 16000 characters when assigning a single security tag to many VMs at a time in one API call
A single security tag cannot be assigned to a large number of VMs simultaneously with a single API if the URL length is more than 16,000 characters.
Workaround: To optimize performance, tag up to 500 VMs in a single call.

Issue 1662020: Publish operation may fail resulting in an error message “Last publish failed on host host number” on DFW UI in General and Partner Security Services sections
After changing any rule, the UI displays “Last publish failed on host host number”. The hosts listed on the UI may not have correct version of firewall rules, resulting in lack of security and/or network disruption.

The problem is usually seen in the following scenarios:

After upgrade from older to latest NSXv version.
Move a host out of cluster and move it back in.
Move a host from one cluster to another.
Workaround: To recover, you must force sync the affected clusters (firewall only).

Issue 1481522: Migrating firewall rule drafts from 6.1.x to 6.2.3 is not supported as the drafts are not compatible between the releases
Workaround: None.

Issue 1628679: With identity-based firewall, the VM for removed users continues to be part of the security group
When a user is removed from a group on the AD server, the VM where the user is logged-in continues to be a part of the security-group. This retains firewall policies at the VM vNIC on the hypervisor, thereby granting the user full access to services.

Workaround: None. This behavior is expected by design.

Issue 1496273: UI allows creation of in/out NSX firewall rules that cannot be applied to Edges
The web client incorrectly allows creation of an NSX firewall rule applied to one or more NSX Edges when the rule has traffic traveling in the ‘in’ or ‘out’ direction and when PacketType is IPV4 or IPV6. The UI should not allow creation of such rules, as NSX cannot apply them to NSX Edges.
Workaround: None.

Issue 1557924: Universal logical switch is allowed to be consumed in the appliedTo field of a local DFW rule
When a universal logical switch is used as a security group member, the DFW rule can use that security group in AppliedTo field. This indirectly applies the rule on the universal logical switch, which should not be allowed because it may cause unknown behavior of those rules.
Workaround: None.

Issue 1559971: Cross-vCenter NSX firewall exclude list not published if firewall is disabled on one cluster
In cross-vCenter NSX, firewall exclude list is not published to any cluster when the firewall is disabled on one of the clusters.
Workaround: Force sync the affected NSX Edges.

Issue 1407920: Firewall rule republish fails after DELETE API is used
If you delete the entire firewall configuration through the DELETE API method and then try to republish all the rules from a previously saved firewall rules draft, then the rule publish will fail.
Issue 1494718: New universal rules cannot be created, and existing universal rules cannot be edited from the flow monitoring UI
Workaround: Universal rules cannot be added or edited from the flow monitoring UI. EditRule will be automatically disabled.

Issue 1442379: Service composer firewall configuration out of sync
In the NSX service composer, if any firewall policy is invalid (for example of you deleted a security group that was currently in use in a firewall rule), deleting or modifying another firewall policy causes the service composer to become out of sync with the error message Firewall configuration is not in sync.
Workaround: Delete any invalid firewall rules and then synchronize the firewall configuration. Select Service Composer: Security Policies, and for each security policy that has associated firewall rules, click Actions and select Synchronize Firewall Config. To prevent this issue, always fix or delete invalid firewall configurations before making further firewall configuration changes.

Issue 1066277: Security policy name does not allow more than 229 characters
The security policy name field in the Security Policy tab of Service Composer can accept up to 229 characters. This is because policy names are prepended internally with a prefix.
Workaround: None.

Issue 1443344: Some versions of 3rd-party Networks VM-Series do not work with NSX Manager default settings
Some NSX 6.1.4 or later components disable SSLv3 by default. Before you upgrade, please check that all third-party solutions integrated with your NSX deployment do not rely on SSLv3 communication. For example, some versions of the Palo Alto Networks VM-series solution require support for SSLv3, so please check with your vendors for their version requirements.
Issue 1660718: Service Composer policy status is shown as “In Progress” at the UI and “Pending” in the API output
Workaround: None.

Issue 1620491: Policy-level Sync status in Service Composer does not show publishing status of the rules within a policy
When a policy is created or modified, Service Composer will display a success status which indicates only the persistence state. It does not reflect whether the rules were published to the host successfully.
Workaround: Use the firewall UI to view publish status.

Issue 1317814: Service Composer goes out of sync when policy changes are made while one of the Service Managers is down
When a policy changes is made when one of multiple Service Managers is down, the changes will fail, and Service Composer will fall out of sync.
Workaround: Ensure the Service Manager is responding and then issue a force sync from Service Composer.

Issue 1070905: Cannot remove and re-add a host to a cluster protected by Guest Introspection and third-party security solutions
If you remove a host from a cluster protected by Guest Introspection and third-party security solutions by disconnecting it and then removing it from vCenter Server, you may experience problems if you try to re-add the same host to the same cluster.
Workaround: To remove a host from a protected cluster, first put the host in maintenance mode. Next, move the host into an unprotected cluster or outside all clusters and then disconnect and remove the host.

Issue 1648578: NSX forces the addition of cluster/network/storage when creating a new NetX host-based service instance
When you create a new service instance from the vSphere Web Client for NetX host-based services such as Firewall, IDS, and IPS , you are forced to add cluster/network/storage even though these are not required.
Workaround: When creating a new service instance, you may add any information for cluster/network/storage to fill out the fields. This will allow the creation of the service instance and you will be able to proceed as required.

Issue 1772504: Service Composer does not support Security Groups with MAC Set
Service Composer allows use of Security Groups in Policy configurations. In case there is a Security Group which contains MAC Set, Service Composer accepts that Security Group without complaining, but fails to enforce rules for that specific MAC Set. This is because Service Composer works on Layer3 and does not support Layer2 constructs. Note that if a Security Group has IP Set and MAC Set both, the IP set will still be effective, but the MAC Set will be ignored. There is no harm in referencing a Security Group containing MAC Set – user must be aware that the MAC Set will be ignored.
Workaround: If the user’s intent is to create Firewall rules using a MAC Set, then the user should use DFW Layer2/Ethernet configuration instead of Service Composer.

Issue 1718726: Cannot force-sync Service Composer after a user has manually deleted the Service Composer’s policy section using DFW REST API
In a cross-vCenter NSX environment, a user’s attempt to force sync NSX Service Composer configuration will fail if there was only one policy section and that policy section (the Service Composer-managed policy section) was deleted earlier via a REST API call.

Workaround: Do not delete the Service Composer-managed policy section via a REST API call. (Note that the UI already prevents deletion of this section.)

Monitoring Services Known Issues
Issue 1466790: Unable to choose VMs on bridged network using the NSX traceflow tool
Using the NSX traceflow tool, you cannot select VMs that are not attached to a logical switch. This means that VMs on an L2 bridged network cannot be chosen by VM name as the source or destination address for traceflow inspection.
Workaround: For VMs attached to L2 bridged networks, use the IP address or MAC address of the interface you wish to specify as destination in a traceflow inspection. You cannot choose VMs attached to L2 bridged networks as source. See the knowledge base article 2129191 for more information.

Solution Interoperability Known Issues
Issue 1568861: The NSX Edge deployment fails during any edge deployment from a vCloud Director cell that does not own the vCenter listener
The NSX Edge deployment fails during any Edge deployment from a vCloud Director cell that does not own the vCenter listener. Also, NSX Edge actions, including a redeploy, fail from vCloud Director.

Workaround: Deploy an NSX Edge from the vCloud Director cell which owns the vCenter listener.

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