With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpIcmpOutAddrMasks
Virtual Router Ip Icmp Out Address Masks
This attribute indicates the number of ICMP address mask request messages sent by this gateway. outAddrMasks wraps to zero if it reaches its maximum defined value.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpIcmpOutAddrMasks 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 multiplexers right now.