With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
etherWisDeviceEntry
ether Wis Device Entry
1.3.6.1.2.1.10.134.1.1.1.1
An entry in the Ethernet WIS device table. For each instance of this object there MUST be a corresponding instance of sonetMediumEntry.
Back to ETHER-WIS MIB page.
IPHost Network monitor allows you to monitor etherWisDeviceEntry 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.