With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
frDlcmiAddressLen
fr Dlcmi Address Len
1.3.6.1.2.1.10.32.1.1.4
This variable states the address length in octets. In the case of Q922 format, the length indicates the entire length of the address including the control portion.
Back to FRAME-RELAY-DTE-MIB MIB page.
IPHost Network monitor allows you to monitor frDlcmiAddressLen on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.