With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpMcastIgmpStorageType
Virtual Router Ip Mcast Igmp Storage Type
This variable represents the storage type value for the vrIpMcastIgmp tables.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpMcastIgmpStorageType 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.