With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcRlpN2RetransmitCount
gsm Bc Rlp N2 Retransmit Count
This attribute indicates the current value of N2 negotiated by the Radio Link Protocol (RLP), during Exchange Information (XID). This is the maximum number of times a RLP entity shall retransmit an individual frame following the expiry of timer T1. The value used for XID negotiations can be provisioned by component GsmIwfRadioLinkProtocol attribute n2RetransmitCount.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmBcRlpN2RetransmitCount 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.