CIENA-WS-PORT-MIB :: cwsPortPropertiesLoopback

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCIENA-WS-PORT-MIBcwsPortPropertiesLoopback

cwsPortPropertiesLoopback

Module: CIENA-WS-PORT-MIB

OID (symbolic): CIENA-WS-PORT-MIB::cwsPortPropertiesLoopback

OID (numeric): 1.3.6.1.4.1.1271.3.4.7.7.1.2

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-write

Description: Port PHY layer loopback. RX loopback is a loopback forwarding ingress traffic from RX port directly to TX port. TX loopback is a loopback forwarding egress traffic from TX port directly to RX port, TX loopback is not supported in I-NNI ports. The RX/TX loopback can only be enabled when the port admin-state is disabled. Enable an RX/TX loopback shall fail when the port has its admin-state enabled. Users shall be able to disable the xcvr/ptp when its child port loopback enabled. Enable xcvr/ptp shall not enable its child port with loopback enabled. A port shall has its operational state rx loopback when rx loopback is enabled, and tx loopback when tx loopback is enabled.

What is cwsPortPropertiesLoopback?

Controls or reports the PHY-layer loopback mode on the port (RX loopback sends ingress traffic straight back out on TX, TX loopback sends egress traffic back in on RX), used for diagnostic testing; TX loopback cannot be used on I-NNI ports and loopback can only be enabled under certain port conditions.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1271.3.4.7.7.1.2
snmpwalk -v2c -c public <target> CIENA-WS-PORT-MIB::cwsPortPropertiesLoopback

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1271.3.4.7.7.1.2.1
snmpget -v2c -c public <target> CIENA-WS-PORT-MIB::cwsPortPropertiesLoopback.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.1271.3.4.7.7.1.2.1 i <value>

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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
1.3.6.1.4.1.1271cienaCIENA-SMI
1.3.6.1.4.1.1271.3waveserverCIENA-WS-MIB
1.3.6.1.4.1.1271.3.4cienaWsConfigCIENA-WS-MIB
Numeric OIDNameModule
1.3.6.1.4.1.1271.3.4.7cienaWsPortMIBCIENA-WS-PORT-MIB
1.3.6.1.4.1.1271.3.4.7.7cwsPortPropertiesTableCIENA-WS-PORT-MIB
1.3.6.1.4.1.1271.3.4.7.7.1cwsPortPropertiesEntryCIENA-WS-PORT-MIB
1.3.6.1.4.1.1271.3.4.7.7.1.2cwsPortPropertiesLoopbackCIENA-WS-PORT-MIB