With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseUcastCacheRtrIp
CISCO SWITCH ENGINE Ucast Cache Rtr Ip
1.3.6.1.4.1.9.9.97.1.6.1.1.8
IP address of the router (internal or external) for which the flows are being switched, and need to be purged. An 'all-zero' value is a wildcard IP address for any router. Its value can not be modified when the corresponding instance of cseUcastCacheStatus is 'active'.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseUcastCacheRtrIp 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.