With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mgcTable
mgc Table
1.3.6.1.4.1.351.150.10.1.2.1
This is a table which contains information about the individual MGCs.
Back to CISCO-WAN-MG-MIB MIB page.
IPHost Network monitor allows you to monitor mgcTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.