With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frAtmCaSdCrToUuMapping
Frame Relay Atm Ca Sd Cr To Uu Mapping
This attribute indicates the type of CR to UU mapping that is performed in the Frame Relay to ATM direction. A value of preserve indicates that the CR field in the Q.922 Core frame maps directly to the ATM UU field of every cell generated by the AAL5 segmentation process. A value of always0 indicates that the UU field in every ATM cell generated is set to 0.
Back to Nortel-Magellan-Passport-FrameRelayAtmMIB MIB page.
IPHost Network monitor allows you to monitor frAtmCaSdCrToUuMapping 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.