With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpBgpExportExpressPreference
Virtual Router Ip Bgp Export Express Preference
This attribute specifies the relative preference of the policy which use the keys expressAsPath and expressCommunity. This attribute is ignored if attributes expressAsPath and expressCommunity are both empty. This attribute is used to break the tie when two export policies' expression attributes match a specific AS Path or Community. A higher value indicates a more preferred policy.
Back to Nortel-Magellan-Passport-BgpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpBgpExportExpressPreference 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.