With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lesInJoinReqs
les In Join Reqs
1.3.6.1.4.1.9.9.39.1.1.2.1.4
The number of LE_JOIN_REQUESTs received by this LES since activation.
Back to CISCO-LES-MIB MIB page.
IPHost Network monitor allows you to monitor lesInJoinReqs 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.