With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnPlmnScope
Cisco Ggsn Plmn Scope
1.3.6.1.4.1.9.9.240.1.3.13.1.4
This object specifies whether the PLMN is home or trusted. Only one PLMN entry can be home
Back to CISCO-GGSN-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnPlmnScope on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.