With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpInAddrErrors
Virtual Router Ip In Address Errors
The number of input datagrams discarded due to errors such as invalid address, unsupported address class. inAddrErrors wraps to zero if reaches its maximum defined value.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpInAddrErrors 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.