I have multiple 6500 Catalyst switches with redundant Supervisor 720's. Periodically a redundant sup will fail. I need a syslog message or SNMP trap sent to our network management software. What are some options to configure this? Even better would be a way to remotely actively monitor the standby sup state.
If you want to monitor module status, take a look at the moduleStatus and moduleStandbyStatus objects from the CISCO-STACK-MIB. In a healthy switch, the active sup will have a moduleStatus of ok(2) and a moduleStandbyStatus of active(2). The standby sup will have a moduleStatus of ok(2), and a moduleStadbyStatus of standby(3).
You can also enable module traps:
snmp-server enable traps module
And that will send moduleUp and moduleDown traps which indicate that a module's moduleStatus has transitioned from or to the ok(2) state.
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