With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
llcPortStatsTESTResponsesOut
llc Port Stats TEST Responses Out
1.3.6.1.4.1.9.10.8.1.1.3.1.6
This object reflects the total number of TEST responses transmitted on this port in response to TEST commands received.
Back to CISCO-SNA-LLC-MIB MIB page.
IPHost Network monitor allows you to monitor llcPortStatsTESTResponsesOut 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.