NSX Alarm for GM to LM network latency threshold exceeded
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NSX Alarm for GM to LM network latency threshold exceeded

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Article ID: 345822

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Updated On:

Products

VMware NSX Networking

Issue/Introduction

Title: Alarm for GM to LM network latency threshold exceeded
Event ID: gm_to_lm_latency_warning
Added in release: 3.2.0
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

Maintenance window required for remediation?
No
Resolution:
  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.

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.