Nortel-Magellan-Passport-FrTraceRcvrMIB :: traceSessionFrVcCannotForwardToSubnet

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Nortel-Magellan-Passport-FrTraceRcvrMIB › traceSessionFrVcCannotForwardToSubnet

traceSessionFrVcCannotForwardToSubnet

Module: Nortel-Magellan-Passport-FrTraceRcvrMIB

OID (symbolic): Nortel-Magellan-Passport-FrTraceRcvrMIB::traceSessionFrVcCannotForwardToSubnet

OID (numeric): 1.3.6.1.4.1.562.2.4.1.106.3.3.2.12.1.3

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: This attribute displays the number of discarded packets that can not be forwarded into the subnet because of subnet congestion. Number of frames from link discarded due to failure in forwarding a packet from Vc into the subnet.- This attribute is increased when packet forwarding fails to forward a packet into the subnet. If a frame is split into multiple subnet packets and a partial packet has to be discarded, all subsequent partial packets that have not yet been delivered to the subnet will be discarded as well.

What is traceSessionFrVcCannotForwardToSubnet?

This read-only counter (0-5000) tracks frames discarded because the Vc failed to forward a packet into the subnet due to subnet congestion; if a frame was split, all its remaining un-delivered pieces are discarded too. A rising count signals subnet-side congestion is impacting this circuit's throughput.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.562.2.4.1.106.3.3.2.12.1.3
snmpwalk -v2c -c public <target> Nortel-Magellan-Passport-FrTraceRcvrMIB::traceSessionFrVcCannotForwardToSubnet

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.562.2.4.1.106.3.3.2.12.1.3.1
snmpget -v2c -c public <target> Nortel-Magellan-Passport-FrTraceRcvrMIB::traceSessionFrVcCannotForwardToSubnet.1

Start monitoring Nortel Magellan Passport switch (Frame Relay trace receiver) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Nortel-Magellan-Passport-FrTraceRcvrMIB::traceSessionFrVcCannotForwardToSubnet OID value, configure state conditions and alerts, and monitor any Nortel Magellan Passport switch (Frame Relay trace receiver) from a single console.

OID Breakdown

Upper-level ancestors (12 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.562nortelCPM-NORTEL-MIB
1.3.6.1.4.1.562.2magellanNortel-Magellan-Passport-UsefulDefinitionsMIB
1.3.6.1.4.1.562.2.4passportNortel-Magellan-Passport-UsefulDefinitionsMIB
1.3.6.1.4.1.562.2.4.1componentsNortel-Magellan-Passport-UsefulDefinitionsMIB
1.3.6.1.4.1.562.2.4.1.106traceNortel-Magellan-Passport-TraceBaseMIB
1.3.6.1.4.1.562.2.4.1.106.3traceSessionNortel-Magellan-Passport-TraceBaseMIB
Numeric OIDNameModule
1.3.6.1.4.1.562.2.4.1.106.3.3traceSessionFrNortel-Magellan-Passport-FrTraceRcvrMIB
1.3.6.1.4.1.562.2.4.1.106.3.3.2traceSessionFrVcNortel-Magellan-Passport-FrTraceRcvrMIB
1.3.6.1.4.1.562.2.4.1.106.3.3.2.12traceSessionFrVcFrdTableNortel-Magellan-Passport-FrTraceRcvrMIB
1.3.6.1.4.1.562.2.4.1.106.3.3.2.12.1traceSessionFrVcFrdEntryNortel-Magellan-Passport-FrTraceRcvrMIB
1.3.6.1.4.1.562.2.4.1.106.3.3.2.12.1.3traceSessionFrVcCannotForwardToSubnetNortel-Magellan-Passport-FrTraceRcvrMIB