With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
trkVnsStatsVnsOctetFromIf
trk Vns Stats Vns Octet From If
This attribute counts the number of virtual network bytes received by a Trunk component handling virtual network traffic. This counter wraps around to zero when the maximum value is exceeded.
Back to Nortel-Magellan-Passport-TrunksMIB MIB page.
IPHost Network monitor allows you to monitor trkVnsStatsVnsOctetFromIf 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 speech servers right now.