CM-FACILITY-MIB :: cmEthernetTrafficPortInnerVlanLoopback1

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCM-FACILITY-MIBcmEthernetTrafficPortInnerVlanLoopback1

cmEthernetTrafficPortInnerVlanLoopback1

Module: CM-FACILITY-MIB

OID (symbolic): CM-FACILITY-MIB::cmEthernetTrafficPortInnerVlanLoopback1

OID (numeric): 1.3.6.1.4.1.2544.1.12.4.1.27.1.85

Node type: OBJECT-TYPE

Type: DisplayString

Access: read-write

Description: This object allows specification of the inner VLAN 1 to be looped back when port is in vlan(terminal/facility) loopback configuration. This is valid only if the corresponding bit in cmEthernetTrafficPortInnerVlanLoopbackMask is set. The value to be specified should be in the form X-Y where X is the VLAN Id and Y is the VLAN Priority. If Y is specified as a *, all Priorities (0 to 7) are looped back.

What is cmEthernetTrafficPortInnerVlanLoopback1?

This OID specifies which inner VLAN ID and priority to loop back for testing when an Ethernet port is in loopback mode. Technicians configure this value during circuit testing to verify traffic handling on a specific VLAN before deploying the circuit to production.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.27.1.85
snmpwalk -v2c -c public <target> CM-FACILITY-MIB::cmEthernetTrafficPortInnerVlanLoopback1

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.27.1.85.1
snmpget -v2c -c public <target> CM-FACILITY-MIB::cmEthernetTrafficPortInnerVlanLoopback1.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.2544.1.12.4.1.27.1.85.1 s <value>

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cmEthernetTrafficPortInnerVlanLoopback1.1

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OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.2544advaMIBADVA-MIB
1.3.6.1.4.1.2544.1productsADVA-MIB
1.3.6.1.4.1.2544.1.12fsp150cmADVA-MIB
Numeric OIDNameModule
1.3.6.1.4.1.2544.1.12.4cmFacilityMIBCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1cmFacilityObjectsCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1.27cmEthernetTrafficPortTableCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1.27.1cmEthernetTrafficPortEntryCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1.27.1.85cmEthernetTrafficPortInnerVlanLoopback1CM-FACILITY-MIB