With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgmGdoiKsTekSelectorTable
Cisco GDOI Management Gdoi Ks Tek Selector Table
1.3.6.1.4.1.9.9.759.1.3.3
A table of information regarding GDOI Traffic Encryption Key (TEK) Selectors (source, destination, protocol information) that is currently configured/pushed for GDOI entities acting as Key Servers on the network device being queried. There is one entry in this table for each TEK that has been configured & pushed to Group Members registered to the given Key Server.
Back to CISCO-GDOI-MIB MIB page.
IPHost Network monitor allows you to monitor cgmGdoiKsTekSelectorTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.