With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpimExtIfGenerationID
cpim Ext If Generation ID
1.3.6.1.4.1.9.10.120.1.1.1.1.6
Turns the Generation ID Option off and on on this interface. Generation ID is a random value for the interface and is used to determine neighbor restart
Back to CISCO-IETF-PIM-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cpimExtIfGenerationID on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.