In this communication, we detail the top trending issues with VMware NSX for vSphere and provide you with helpful information on how to address the issues while we build a permanent fix.
For up-to-date Top Trending NSX issues, previous and current, see KB Article Trending support issues in VMware NSX for vSphere 6.x (2131154).
Spotlight Issues
| NSX for vSphere Version | Component | Issue Summary | Resolution/Work around | KB Number |
| 6.2.x | Controller | NSX controller shows as disconnected in the web client leading to data path issues for VNIs handled by the disconnected controller. | This issue is resolved in VMware NSX for vSphere 6.2.4. If you choose not to upgrade, as a workaround, you can make an API call to the controller communications and disable IPsec for controller. |
2146973 |
| 6.2.x,6.3.x | ESXi | ESXi 5.5 and 6.0 hosts fail with a purple diagnostic screen (PSOD): VMCIEventDelayedDispatchCB@com which occurs due to race condition in dvfilter vmci socket deregistration. | This issue is resolved in ESXi 5.5 Patch 8 and ESXi 6.0 Patch 3. To work around this issue, uninstall the dvfilter-dsa driver. |
2149242 |
| 6.2.x,6.3.x | ESXi | Connectivity issues when using Emulex elxnet Driver. Packets get dropped, resulting in intermittent connectivity issues and loss of ping packets. | This issue is resolved in Emulex elxnet Driver version 10.5.65.4. For more details, refer the KB article. | 2091192 |
| 6.2.x | NSX Manager | vsfwd connection to the NSX Manager fails. Running the esxcli network ip connection list |grep 5671 command, you see entries similar to: tcp 53 0 10.20.2.56:23897 10.20.1.10:5671 CLOSED 75797 newreno vsfwd | This issue is resolved in ESXi 6.0 Patch Release, ESXi600-201610001. For more details, refer the KB article. | 214687 |
Trending KB
Issue: Status of TLSv1.1/1.2 Enablement and TLSv1.0 Disablement across VMware products.
Affected Version: 6.2.x, 6.3.x
Resolution:The KB / Solution explains the current status of implementation of TLSv1.1 or TLSv1.2 protocol across applicable VMware products. For more details, please refer to: KB: 2145796.
VMware Recommended Release
VMware recommends NSX 6.2.6 for new deployments. The minimum version a customer should be running is NSX 6.2.2 based on critical bug fixes identified as having a general impact in an NSX environment. For more information, see Minimum recommended version for NSX for vSphere with GID, ESXi, and vCenter Server (2144295).
Don’t Forget!
Subscribe to my.vmware.com to get timely notifications on NSX Product Releases, Fixes and upcoming patches.
