With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwInstanceSessionRedundancyAdmin
Cisco's ASN Gateway Instance Session Redundancy Admin
1.3.6.1.4.1.9.9.638.1.1.1.1.6
Session Redundancy Enabled / Disabled. More information about redundancy can be obtained via the CISCO-RF-MIB.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwInstanceSessionRedundancyAdmin on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.