With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwIdleModeEntryBwgInitiated
Cisco's ASN Gateway Idle Mode Entry Bwg Initiated
1.3.6.1.4.1.9.9.638.1.3.1.1.1.102
The number of ASN-GW initated idlemode entry.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwIdleModeEntryBwgInitiated 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.