With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpIfMtu
Virtual Router Ip If Mtu
This attribute specifies the maximum transmission unit applicable for this logicalInterface. A value of 0 is used for the interfaces where all the necessary information is not available to compute the mtu applicable for this interface.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpIfMtu 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.
