HCX - NSX VDR MAC address change breaks connectivity to cloud gateway when MON is enabled
Article ID: 420901
Updated On:
Products
VMware HCX
Issue/Introduction
- After enabling MON with default configuration from HCX, Cloud VMs are not able to ping T1/Cloud Gateway.
- NSX VDR MAC address was changed manually from default value of 02:50:56:56:44:52 as per Change the MAC Address of NSX Virtual Distributed Router
Cause
On the Cloud side, DVS port is programmed with the default VDR MAC address of 02:50:56:56:44:52. As a result, any modification in the VDR MAC address will impact traffic sent from cloud VMs to the VDR.
Resolution
Follow Change the MAC Address of NSX Virtual Distributed Router to revert the NSX VDR MAC address back to the default value of 02:50:56:56:44:52.
Note: It may incur a momentary downtime while devices re-learn the new MAC address. Please ensure that the implications to NSX regarding the modification of the NSX VDR MAC are understood before making any changes.
Additional Information
Feedback
Yes
No
Powered by
