The SNMP agent on NSX-T edge nodes and NSX-T manager are stopped

Products

• VMware NSX

Issue/Introduction

 

• The SNMP agent on the NSX-T edge node and/or the NSX-T manager is stopped.
• As admin, restarting the agent fails:

restart service snmp

• Core dump for the agent is seen:

/image/core/core.snmpd.*.gz - on NSX-T manager
/var/log/core/core.snmpd.*.gz - on NSX-T edge node

• We see the following in the logs:

2022-06-08T02:01:22.622333+00:00 cnec1nsxtedge01 kernel - - - [2484641.791369] snmpd[1125]: segfault at 8 ip 000000000045ef5d sp 000072df0e74cae0 error 4 in snmpd[400000+2c0000]
2022-06-08T02:01:22.622336+00:00 cnec1nsxtedge01 kernel - - - [2484641.791378] Code: 1d d8 fe ff c9 c3 55 48 89 e5 48 83 ec 10 64 48 8b 04 25 28 00 00 00 48 89 45 f8 31 c0 e8 e7 df ff ff 48 89 45 f0 48 8b 45 f0 <48> 8b 40 08 48 8b 55 f8 64 48 33 14 25 28 00 00 00 74 05 e8 df d7
2022-06-08T02:01:22.622338+00:00 cnec1nsxtedge01 kernel - - - [2484641.791390] grsec: Segmentation fault occurred at 0000000000000008 in /opt/vmware/bin/snmpd[snmpd:1125] uid/euid:0/0 gid/egid:0/0, parent /lib/systemd/systemd[systemd:1] uid/euid:0/0 gid/egid:0/0

Environment

VMware NSX-T Data Center

Cause

There is a segmentation fault for the snmp agent which caused it to crash.

Resolution

This issue is resolved in NSX-T 3.2.2 available at VMware downloads.

Workaround:
As root user, restart the snmpd process:

service vmware-snmpd restart