With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgmGdoiGroupTable
Cisco GDOI Management Gdoi Group Table
1.3.6.1.4.1.9.9.759.1.1
A table of information regarding GDOI Groups in use on the network device being queried.
Back to CISCO-GDOI-MIB MIB page.
IPHost Network monitor allows you to monitor cgmGdoiGroupTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.