With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpTbseBridgePortType
Virtual Router Passport Tbse Bridge Port Type
This attribute specifies the type of bridge port that was provisioned. It takes into consideration the bridgingMode, bridgePortConfig and the media the bridge port is linked to before branding a bridge port.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrPpTbseBridgePortType 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.