With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
aal1CesLCoSetupPriority
aal1 Ces L Co Setup Priority
This attribute gives the priority at which the current path is established. Zero is the highest priority and four is the lowest. The holdingPriority, a complementary attribute of this component, indicates the priority a path maintains once it is established.
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IPHost Network monitor allows you to monitor aal1CesLCoSetupPriority 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.