With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrBrSrbStpRootCost
Virtual Router Br Srb Stp Root Cost
This attribute specifies the cost of the path to the root as seen by this bridge.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrBrSrbStpRootCost 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.