Communication from Transport node to leader Manager node is down Alarm in NSX Manager
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Article ID: 345789
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Updated On:
Products
VMware NSX
Issue/Introduction
Title: Alarm for communication.management_channel_to_transport_node_down Event ID: communication.management_channel_to_transport_node_down
Alarm Description
Purpose: Alarm is raised when the messaging channel between Manager node and Transport node is down.
Impact: Monitoring status, stats and alarms cannot be sent by the Transport node to the leader Manager node.
Environment
VMware NSX-T Data Center
Resolution
Steps to resolve
For 3.0.2 and higher
Resolution:
Ensure there is network connectivity between the Transport node and the leader Manager node. Also ensure no firewalls are blocking traffic between the nodes.
Ensure the messaging manager service is running on Manager nodes by invoking the command `/etc/init.d/messaging-manager status`. If the messaging manager is not running, restart it by invoking the command `/etc/init.d/messaging-manager restart`.