CM-FACILITY-MIB :: cmEthernetNetPortXdslDsSignalAttenuation

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCM-FACILITY-MIBcmEthernetNetPortXdslDsSignalAttenuation

cmEthernetNetPortXdslDsSignalAttenuation

Module: CM-FACILITY-MIB

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

OID (numeric): 1.3.6.1.4.1.2544.1.12.4.1.104.1.16

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: Downstream signal attenuation.

What is cmEthernetNetPortXdslDsSignalAttenuation?

This object reports the downstream signal attenuation measured on a DSL-equipped Ethernet port in decibels. Signal attenuation indicates how much the DSL signal weakens over the copper line distance and quality. Operators monitor this metric to diagnose line quality issues and identify when signal degradation requires line repositioning or line shortening.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.104.1.16
snmpwalk -v2c -c public <target> CM-FACILITY-MIB::cmEthernetNetPortXdslDsSignalAttenuation

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.104.1.16.1
snmpget -v2c -c public <target> CM-FACILITY-MIB::cmEthernetNetPortXdslDsSignalAttenuation.1

Start monitoring ADVA/Ceragon FSP150 CM/CC (F3) microwave & Carrier Ethernet transport platform with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CM-FACILITY-MIB::cmEthernetNetPortXdslDsSignalAttenuation OID value, configure state conditions and alerts, and monitor any ADVA/Ceragon FSP150 CM/CC (F3) microwave & Carrier Ethernet transport platform from a single console.

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
1.3.6.1.4.1.2544.1.12.4.1.104cmEthernetNetPortXdslParamTableCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1.104.1cmEthernetNetPortXdslParamEntryCM-FACILITY-MIB
1.3.6.1.4.1.2544.1.12.4.1.104.1.16cmEthernetNetPortXdslDsSignalAttenuationCM-FACILITY-MIB