With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
snaLuRtmState
sna Lu Rtm State
1.3.6.1.2.1.34.1.3.1.1.3
The value indicates the current RTM state of an LU.
Back to SNA-NAU-MIB MIB page.
IPHost Network monitor allows you to monitor snaLuRtmState on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.