With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpPortRelayAddress
Virtual Router Passport Ip Port Relay Address
This attribute specifies a relay broadcast address for this IpPort. Each packet, received on this IpPort, meeting the relay broadcast criteria will be forwarded to the specified relay broadcast address. An relay address of all zero's indicates no relay broadcast address.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpPortRelayAddress 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.