ARRIS-C3-CMM-MIB

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Organization: Arris International

Last Updated: 2005-02-02

Category: DOCSIS and Cable, Vendor: ARRIS

Description: ARRIS C3 CMTS cable modem map and ranging management for upstream channel control.

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What Is ARRIS-C3-CMM-MIB?

This is an ARRIS private MIB for the Cable Modem Manager (CMM) software component on the ARRIS C3 CMTS (Cable Modem Termination System) platform, used by cable broadband operators to manage DOCSIS cable modems. Based on its stated purpose, it covers cable-modem mapping and ranging management for upstream channel control, though no sample objects were available in this batch to ground specific field names. Its likely monitoring value is software/hardware status of the DOCSIS upstream path: modem registration/ranging state, upstream channel assignment, and ranging offset/power adjustments, which reveal a cable modem struggling with ranging (a common precursor to a modem dropping offline). It would depend conceptually on DOCSIS-standard concepts (e.g., the IETF/CableLabs DOCS-IF-MIB) even though implemented as an ARRIS-private extension. It's typically deployed in cable MSO (multiple system operator) network operations centers for CMTS upstream-channel health monitoring. Engineers can download the ARRIS-C3-CMM-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ARRIS-C3-CMM-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

ARRIS C3 CMTS (cable headend)

Monitoring Examples

No object list was available in the source for this MIB, so a concrete polling scenario cannot be grounded in verified object names; based on its stated purpose, an admin would typically poll per-cable-modem ranging status and upstream channel assignment to detect a modem failing initial or periodic ranging on the ARRIS C3 CMTS.

Imported Objects

From ARRIS-MIB

cmtsC3

OBJECT-IDENTITY

From DOCS-IF-MIB

TenthdBmV
docsIfCmtsCmStatusDocsisRegMode	OBJECT-TYPE
docsIfCmtsCmStatusEntry	OBJECT-TYPE
docsIfCmtsCmStatusIpAddress	OBJECT-TYPE
docsIfCmtsCmStatusMacAddress	OBJECT-TYPE

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32
enterprises

From SNMPv2-TC

DateAndTime
DisplayString
MacAddress
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
cmtsC3CMMMIB	1.3.6.1.4.1.4115.1.4.3.5			This MIB manages the Cable Modem Manager (CMM) software on the Arris CMTS C3
dcxCMMObjects	1.3.6.1.4.1.4115.1.4.3.5.1
dcxCMMCmtsCmStatusTable	1.3.6.1.4.1.4115.1.4.3.5.1.1		not-accessible	Additional columns for docsIfCmtsCmStatusTable.
dcxCMMCmtsCmStatusEntry	1.3.6.1.4.1.4115.1.4.3.5.1.1.1		not-accessible	A row in the dcxCMMCmtsCmStatusEntry. An entry in this table exists for each Cable Modem that is known to the CMTS.
U32 dcxCMMCmDebugLevel	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.1	Unsigned32	read-write	a 32-bit unsigned integer representing the Debug Level setting for the modem. Used by 'debug cable mac-address ' and variants to control debug output
U32 dcxCMMUpDisable	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.2	Unsigned32	read-write	a 32-bit unsigned integer representing the disable timeout interval in milliseconds. There are two special values defined: 00000000 permanently disables the upstream of the modem and FFFFFFFF remotely reintializes the MAC, which resumes normal operation of the modem.
INT dcxCMMResetCm	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.3	INTEGER	read-write	Use to implement the 'clear cable modem xxx reset\|delete' command; setting to 'reset' sends a RNG-RSP(abort) the CM and removes it from the station maintenance list causing it to reboot, setting to 'delete' causes the cable modem to reboot and be removed from the CMTS database. Reading this entry always returns 'none'.
T/F dcxCMMResetCounters	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.4	TruthValue	read-write	Use to implement the 'clear cable modem xxx counters' command; this command sets the CM's counters to zero.
INT dcxCMMCmBpiState	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.5	INTEGER	read-only	if sytem support security mechanism,if cmBPI2NotManagedByBPI2, no security support, otherwise,this state indicates cm's BPI2 state only this state is cmBPI2NotManagedByBPI2 or cmBPI2IsRunning which means cm is online and could foward traffic
U32 dcxCMMCmPrimaryUsSf	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.6	Unsigned32	read-only	contains the Primary SID, primary upstream service flow, for the modem
U32 dcxCMMCmPrimaryDsSf	1.3.6.1.4.1.4115.1.4.3.5.1.1.1.7	Unsigned32	read-only	contains the Primary downstream service flow, for the modem
dcxCMMIpToCmTable	1.3.6.1.4.1.4115.1.4.3.5.1.2		not-accessible	Same as docsIfCmtsMacToCmTable but indexed by IP address, not MAC.
dcxCMMIpToCmEntry	1.3.6.1.4.1.4115.1.4.3.5.1.2.1		not-accessible	A row in the dcxCMMIpToCmTable. An entry in this table exists for each Cable Modem that is connected to the CMTS implementing this table.
IP dcxCMMCmIp	1.3.6.1.4.1.4115.1.4.3.5.1.2.1.1	IpAddress	not-accessible	The CM IP address.
I32 dcxCMMCmPtr	1.3.6.1.4.1.4115.1.4.3.5.1.2.1.2	Integer32	read-only	An row index into docsIfCmtsCmStatusTable. When queried with the correct instance value (e.g. a CM's IP address), returns the index in docsIfCmtsCmStatusTable which represents that CM.
dcxCMMFlapTable	1.3.6.1.4.1.4115.1.4.3.5.1.3		not-accessible	Table of currently-active (ie, meets flap criteria and not yet aged out) flapping modems.
dcxCMMCmFlapEntry	1.3.6.1.4.1.4115.1.4.3.5.1.3.1		not-accessible	Flap table entry - encapsulates all needed flap status fields for a single flapping modem.
MAC dcxCMMFlapMacAddr	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.2	MacAddress	read-only	The CM MAC address.
U32 dcxCMMFlapUpstreamID	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.3	Unsigned32	read-only	The Upstream ID of the CM's current upstream.
U32 dcxCMMFlapInsertions	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.4	Unsigned32	read-only	The current number of re-insertion flaps for modem.
U32 dcxCMMFlapHits	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.5	Unsigned32	read-only	The number of successful re-ranges at time of last flap.
U32 dcxCMMFlapMisses	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.6	Unsigned32	read-only	The number of re-range failures at time of last flap.
U32 dcxCMMFlapCRC	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.7	Unsigned32	read-only	The number of CRC errors at time of last flap.
U32 dcxCMMFlapCount	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.9	Unsigned32	read-only	The total number of flaps from all causes (reinsertions, power adjustments, and sequential misses).
U32 dcxCMMFlapTimeStamp	1.3.6.1.4.1.4115.1.4.3.5.1.3.1.10	Unsigned32	read-only	The VxWorks format time stamp of latest flap.
dcxCMMTrapGroup	1.3.6.1.4.1.4115.1.4.3.5.1.4
STR dcxCMMTrapReason	1.3.6.1.4.1.4115.1.4.3.5.1.4.1	DisplayString	accessible-for-notify	Placeholder for the user readable text in the CMM trap.
NTF dcxCMMTrap	1.3.6.1.4.1.4115.1.4.3.5.1.4.2			General CMM trap. The reason for the trap are described in dcxCMMTrapReason.

RFC description

Cable Modem Manager (CMM) software management for Arris CMTS C3 including per-modem debug and reset controls.

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Download ARRIS-C3-CMM-MIB

What Is ARRIS-C3-CMM-MIB?

Supported Devices

Monitoring Examples

This MIB depends on

Related MIBs

RFC description