All MIBs › CM-PERFORMANCE-MIB › cmEthernetNetPortStatsL2CPFD
cmEthernetNetPortStatsL2CPFD
Module: CM-PERFORMANCE-MIB
OID (symbolic): CM-PERFORMANCE-MIB::cmEthernetNetPortStatsL2CPFD
OID (numeric): 1.3.6.1.4.1.2544.1.12.5.1.5.1.29
Node type: OBJECT-TYPE
Type: PerfCounter64
Access: read-only
Description: Layer 2 Control Protocol Frames Discarded in the N2A direction.
What is cmEthernetNetPortStatsL2CPFD?
This counter counts Layer 2 Control Protocol (L2CP) frames that were discarded in the N2A (Network-to-Access) direction on an Ethernet port during a performance monitoring interval. L2CP frames carry control information for protocols like Spanning Tree; discarding them indicates filtering or congestion. Operators monitor this to ensure critical protocol frames are not being dropped and to identify port congestion issues.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.5.1.29 snmpwalk -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetNetPortStatsL2CPFD
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.5.1.29.1 snmpget -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetNetPortStatsL2CPFD.1
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.5 | cmPerformanceMIB | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1 | cmPerfObjects | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.5 | cmEthernetNetPortStatsTable | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.5.1 | cmEthernetNetPortStatsEntry | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.5.1.29 | cmEthernetNetPortStatsL2CPFD | CM-PERFORMANCE-MIB |