With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mnDiscoveryGroup
mn Discovery Group
1.3.6.1.2.1.44.3.1.5
A collection of objects providing management information for the Agent Discovery function within a mobile node.
Back to MIP-MIB MIB page.
IPHost Network monitor allows you to monitor mnDiscoveryGroup 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.