With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpPgPolicyIpAddrLayer4FlowPrefixLength
Virtual Router Ip Pg Policy Ip Address Layer4 Flow Prefix Length
This attribute specifies the number of most significant bits of the IP address that are to be matched with the prefix. A prefix length of 0 means any IP address.
Back to Nortel-Magellan-Passport-IpCosMIB MIB page.
IPHost Network monitor allows you to monitor vrIpPgPolicyIpAddrLayer4FlowPrefixLength 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 speech servers right now.