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Clearpass 6.7 and SNMP monitoring

I upgraded our 2-node cluster last week and everything upgraded and worked as expected.  But later I noticed our monitoring system (Nagios) couldn't connect to either node and query the CPU load variable via SNMP.  I verified the SNMP connection was timing out, so I re-entered the community and the SNMP process restarted.  I was then able to walk the SNMP tree until it reached a point and failed:

 

[...]

IF-MIB::ifOperStatus.1 = INTEGER: up(1)

IF-MIB::ifOperStatus.2 = INTEGER: up(1)

IF-MIB::ifOperStatus.3 = INTEGER: up(1)

IF-MIB::ifOperStatus.4 = INTEGER: down(2)

Timeout: No Response from clearpass

 

This failure happens on both nodes.  If I re-enter the community it will work a single time, then fail.  There's no errors in the Events Viewer nor indications anywhere that I can find that the SNMP daemon is down.

 

 

 

Mike Davis
Network Engineer
University of Delaware
Guru Elite

Re: Clearpass 6.7 and SNMP monitoring

Best to work with Aruba TAC.

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
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