GM to LM network latency threshold exceeded alarm

Products

• VMware NSX Networking

Issue/Introduction

Title: Alarm for GM to LM network latency threshold exceeded
Event ID: gm_to_lm_latency_warning
Alarm Description:

• Purpose: Network latency between Global Manager and Local Manager is higher than expected for more than 2 minutes.
• Impact: If the situation persists or worsens, it could lead to issues in replication of data between GM and LM.

Environment

VMware NSX-T Data Center

Resolution

Steps to resolve
For 3.2.0 and above

Recommended Action:

1. Check the network connectivity between remote site and local site via ping.
2. Ensure port TCP/1236 traffic is allowed between the local and remote sites.
3. Check /var/log/async-replicator/ar.log to see if there are errors reported.

Maintenance window required for remediation? No

Additional Information

If you contact support for this issue, please include the following data:

• NSX Manager Logs from all 3 Manager nodes in both the affected LM and GM NSX clusters.
• ESXi host logs where Manager nodes are deployed in each environment.
• vCenter server logs from the respective vSphere environments where the NSX managers are deployed.