With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseStaticExtRouterEntry
CISCO SWITCH ENGINE Static Ext Router Entry
1.3.6.1.4.1.9.9.97.1.2.5.1
A conceptual row in the cseStaticExtRouterTable for enabling an external router to be installed in the switch's router table. The entry is created and deleted by using cseStaticRouterStatus.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseStaticExtRouterEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.