With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpIcmpInSrcQuenchs
Virtual Router Ip Icmp In Source Quenchs
This attribute indicates the number of ICMP source quench messages received by this gateway. inSrcQuenchs 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 vrIpIcmpInSrcQuenchs 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.