With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rpmPortEntry
rpm Port Entry
1.3.6.1.4.1.351.110.5.2.9.1.1.1
An entry for the RPM backplane sub interface. Each entry contains RPM's backplane sub interface number, its IP address and ATM address.
Back to CISCO-MGX82XX-RPM-SUBIF-MIB MIB page.
IPHost Network monitor allows you to monitor rpmPortEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.