With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrManagementAccess
Virtual Router Management Access
1.3.6.1.4.1.562.2.4.1.100.100.1.2
This attributes defines the routing capabilities of this Virtual Router and controls the tcp access into that Vr. External access is only permitted through the Vr that has this attribute enabled. The attribute allows the following subcomponents to be provisioned: Ipx, Bridging, Sna, Sres, NetSentry, and Snmp. Exactly one Vr must have this attribute enabled. The first provisioned Vr will have the attribute enabled by default. Subsequent Vrs will have the attribute disabled.
Back to Nortel-Magellan-Passport-VirtualRouterMIB MIB page.
IPHost Network monitor allows you to monitor vrManagementAccess 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 modems right now.