With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
btdsLCoHoldingPriority
btds L Co Holding Priority
This attribute gives the priority at which a path holds its current path once the path is established. Zero is the highest priority and four is the lowest. The setupPriority, a complementary attribute, indicates the priority of a path at establishment time.
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IPHost Network monitor allows you to monitor btdsLCoHoldingPriority 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.