With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseUcastCacheDest
CISCO SWITCH ENGINE Ucast Cache Destination
1.3.6.1.4.1.9.9.97.1.6.1.1.4
Destination network address and port number (if applicable). The port field is ignored for IPX flows and IP flows if the value of cseUcastCacheFlowMask is not equal to 'fullFlow'. 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 cseUcastCacheDest on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.