TGW Route Update failure alarm

Products

• VMware NSX

Issue/Introduction

Title: vmc_app.tgw_route_update_failure
Event ID: vmc_app.tgw_route_update_failure

Alarm Description

• Purpose: TGW Route update fails due to wrong TGW attachment size.
• Impact: SDDC route advertisement and learning will be stuck which will have connectivity issue.
• Cause: Possible issues could be:
      -Background TGW routes update task ran into issue.
      -Stale associated-groups object will cause failure in TGW route task.

Environment

VMware NSX-T Data Center

Cause

Possible issues could be:

• Background TGW routes update task ran into issue.
• Stale associated-groups object will cause failure in TGW route task.

Resolution

Steps to resolve

For 4.1.2.0 and higher

Recommended Actions:

1. Run the following API 'GET /cloud-service/api/v1/infra/associated-groups'. The number of associated groups should only return 1 or 0.
2. If the above API returns more than 1 associated groups, then do the following:
   1. Login to VMC UI and navigate to 'SDDC Groups' tab.
   2. Find the correct SDDC group which contains this SDDC by checking each group members if it contains the SDDC under question.
   3. Remove stale associations by running following API 'DELETE /cloud-service/api/v1/infra/associated-groups/'

Maintenance window required for remediation? No