With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfRgLinkToProtocolPort
General Vc Interface Rg Link To Protocol Port
This attribute specifies a two way link between this GvcIf RemoteGroup and a VirtualRouter/n ProtocolPort/name component which enables the communication between WAN addressable devices and LAN addressable devices.
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfRgLinkToProtocolPort 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.
