With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpUdpStatsTable
Virtual Router Ip Udp Stats Table
This group holds statictics for UDP.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpUdpStatsTable 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 switches right now.