With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
rtgDpnSubnetMidsValue
rtg Dpn Subnet Mids Value
This variable represents both the value and the index for the rtgDpnSubnetMidsTable.
Back to Nortel-Magellan-Passport-DpnRoutingMIB MIB page.
IPHost Network monitor allows you to monitor rtgDpnSubnetMidsValue 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 secure routers right now.