With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mgcRedundancyGrpNum
mgc Redundancy Group Num
1.3.6.1.4.1.351.150.22.1.1.1.1
This is the MGC group number. A group can contain more than 1 MGC. So for a group containing more than 1 MGC, there will be more than 1 row of this table that will have a common group number.
Back to CISCO-WAN-MGC-REDUN-MIB MIB page.
IPHost Network monitor allows you to monitor mgcRedundancyGrpNum 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.