With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrBrSrbNumLanIdtEntriesFree
Virtual Router Br Srb Num Lan Idt Entries Free
This attribute specifies the number of LanIdTable entries that are available for use. A consistently high value indicates a resource surplus in terms of memory requirements for the bridge. This surplus could be utilized elsewhere if need be. The value of this attribute is directly influenced by the value of the lanIdTableNumEntries.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrBrSrbNumLanIdtEntriesFree 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.
