With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctVcfrCalledLcn
VC Tester Vcfr Called Logical Channel Number
1.3.6.1.4.1.562.2.4.1.5130.5.10.1.8
This attribute displays the Logical Channel Number of the called end. It is valid only after both ends of Vc exchanged relevant information.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctVcfrCalledLcn on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel multiplexers right now.