All MIBs › CISCO-UNIFIED-COMPUTING-VNIC-MIB › cucsVnicIpcMtu
cucsVnicIpcMtu
Module: CISCO-UNIFIED-COMPUTING-VNIC-MIB
OID (symbolic): CISCO-UNIFIED-COMPUTING-VNIC-MIB::cucsVnicIpcMtu
OID (numeric): 1.3.6.1.4.1.9.9.719.1.53.23.1.12
Node type: OBJECT-TYPE
Type: Gauge32
Access: read-only
Description: Cisco UCS vnic:Ipc:mtu managed object property
What is cucsVnicIpcMtu?
This OID reports the maximum transmission unit (MTU), in bytes as a Gauge32, configured for this IPC vNIC. HPC/MPI-style inter-process traffic often benefits from jumbo frames, so the MTU on an IPC vNIC directly affects the throughput and CPU overhead of that messaging traffic. A cluster admin seeing degraded MPI collective-operation performance checks this OID to confirm the IPC vNIC's MTU matches the jumbo-frame size configured on the fabric.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.53.23.1.12 snmpwalk -v2c -c public <target> CISCO-UNIFIED-COMPUTING-VNIC-MIB::cucsVnicIpcMtu
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.719.1.53.23.1.12.1 snmpget -v2c -c public <target> CISCO-UNIFIED-COMPUTING-VNIC-MIB::cucsVnicIpcMtu.1
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OID Breakdown
Upper-level ancestors (10 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 |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.9 | ciscoMgmt | CISCO-SMI |
| 1.3.6.1.4.1.9.9.719 | ciscoUnifiedComputingMIB | CISCO-UNIFIED-COMPUTING-MIB |
| 1.3.6.1.4.1.9.9.719.1 | ciscoUnifiedComputingMIBObjects | CISCO-UNIFIED-COMPUTING-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.9.719.1.53 | cucsVnicObjects | CISCO-UNIFIED-COMPUTING-VNIC-MIB |
| 1.3.6.1.4.1.9.9.719.1.53.23 | cucsVnicIpcTable | CISCO-UNIFIED-COMPUTING-VNIC-MIB |
| 1.3.6.1.4.1.9.9.719.1.53.23.1 | cucsVnicIpcEntry | CISCO-UNIFIED-COMPUTING-VNIC-MIB |
| 1.3.6.1.4.1.9.9.719.1.53.23.1.12 | cucsVnicIpcMtu | CISCO-UNIFIED-COMPUTING-VNIC-MIB |