All MIBs › DOCS-IFEXT2-MIB › docsIfExt2CmtsCmMscStatusPowerHeadroom
docsIfExt2CmtsCmMscStatusPowerHeadroom
Module: DOCS-IFEXT2-MIB
OID (symbolic): DOCS-IFEXT2-MIB::docsIfExt2CmtsCmMscStatusPowerHeadroom
OID (numeric): 1.3.6.1.4.1.4491.2.1.5.1.3.2.1.4
Node type: OBJECT-TYPE
Type: TenthdB
Access: read-only
Description: Indicates the Maximum Scheduled Codes Power Headroom in use by the CM, in units of tenth dB. The value is provided by the CMTS in units of quarter dB through a TLV value in the RNG-RSP message and is rounded upward for this MIB object to the nearest tenth dB. A value of zero indicates the CMTS provided no Power Headroom.
What is docsIfExt2CmtsCmMscStatusPowerHeadroom?
This value, in tenths of a dB, reports the MSC power headroom the CMTS granted to a specific cable modem via a TLV in the Ranging Response, with zero meaning none was provided. An admin uses it per modem to see how much transmit-power margin the CMTS extended to that subscriber's modem under MSC. A nonzero reading confirms the CMTS gave that specific CM extra power margin for scheduled-code operation.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.5.1.3.2.1.4 snmpwalk -v2c -c public <target> DOCS-IFEXT2-MIB::docsIfExt2CmtsCmMscStatusPowerHeadroom
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.5.1.3.2.1.4.1 snmpget -v2c -c public <target> DOCS-IFEXT2-MIB::docsIfExt2CmtsCmMscStatusPowerHeadroom.1
Start monitoring DOCSIS cable modem/CMTS (SCDMA/MSC extension, vendor-neutral CableLabs standard) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DOCS-IFEXT2-MIB::docsIfExt2CmtsCmMscStatusPowerHeadroom OID value, configure state conditions and alerts, and monitor any DOCSIS cable modem/CMTS (SCDMA/MSC extension, vendor-neutral CableLabs standard) from a single console.
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 |
| 1.3.6.1.4.1.4491 | cableLabs | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2 | clabProject | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.1 | clabProjDocsis | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.1.5 | docsIfExt2Mib | CLAB-DEF-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.4491.2.1.5.1 | docsIfExt2MibObjects | DOCS-IFEXT2-MIB |
| 1.3.6.1.4.1.4491.2.1.5.1.3 | docsIfExt2CmtsObjects | DOCS-IFEXT2-MIB |
| 1.3.6.1.4.1.4491.2.1.5.1.3.2 | docsIfExt2CmtsCmMscStatusTable | DOCS-IFEXT2-MIB |
| 1.3.6.1.4.1.4491.2.1.5.1.3.2.1 | docsIfExt2CmtsCmMscStatusEntry | DOCS-IFEXT2-MIB |
| 1.3.6.1.4.1.4491.2.1.5.1.3.2.1.4 | docsIfExt2CmtsCmMscStatusPowerHeadroom | DOCS-IFEXT2-MIB |