With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpPortAllowMcastMacDest
Virtual Router Passport Ip Port Allow Mcast Mac Destination
This attribute specifies whether a multicast destination MAC address is valid on this IpPort or not. Enabling it is non-standard. It can be used for applications such as transparent server backup. Multicast destination MAC address is only supported on LAN media.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpPortAllowMcastMacDest 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.
