With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswDirMacStatus
cisco Data Link Switching Directory Mac Status
1.3.6.1.4.1.9.10.9.1.4.2.1.1.7
This object specifies whether DLSw currently believes the MAC address to be accessible at the specified location. The value `notReachable' allows a configured resource definition to be taken out of service when a search to that resource fails (avoiding a repeat of the search).
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswDirMacStatus 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.
