With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrSresReRifLength
Virtual Router Sres Re Rif Length
This attribute is used to display the length of the routing information field in the routing control field.
Back to Nortel-Magellan-Passport-SourceRouteEndStationMIB MIB page.
IPHost Network monitor allows you to monitor vrSresReRifLength 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.