DOCS-MCAST-AUTH-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DOCS-MCAST-AUTH-MIB

Organization: Cable Television Laboratories, Inc.

Last Updated: 2007-12-06

Category: Domain: CATV/Cable, Standard: DOCSIS, Technology: Multicast

Description: Manages multicast authorization policies and session controls for DOCSIS multicast service access.

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What Is DOCS-MCAST-AUTH-MIB?

DOCS-MCAST-AUTH-MIB is a CableLabs DOCSIS MIB managing the CMTS's Multicast Authorization Module, which controls which cable modems/subscribers may join specific multicast sessions (such as IPTV channels) and enforces per-modem session limits. It exposes control objects (default profile list, default action, max session count) and a per-modem status table showing configured profile assignments and session limits. Its monitoring value is access-control/software status: confirming whether multicast authorization enforcement is enabled system-wide, and whether a given modem's authorized profile list and session count match policy, helps diagnose a subscriber unable to join a permitted multicast stream or a modem exceeding its allowed session count, rather than hardware telemetry. It depends on the broader DOCSIS QoS/service-flow MIB family for session context. It is deployed on CMTS headend equipment in cable operator networks providing multicast video/IPTV services, as specified in the DOCS-MCAST-AUTH-MIB MIB published by CableLabs.

IPNetwork Monitor allows you to monitor SNMP objects defined in DOCS-MCAST-AUTH-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

  • DOCSIS CMTS headend equipment

Monitoring Examples

An operator would poll docsMcastAuthCtrlEnable, docsMcastAuthCtrlDefProfileNameList, and docsMcastAuthCtrlDefMaxNumSess to confirm the CMTS-wide default multicast-authorization policy and session cap; docsMcastAuthCmtsCmStatusTable/docsMcastAuthCmtsCmStatusEntry keyed per cable modem would be checked via docsMcastAuthCmtsCmStatusCfgProfileNameList and docsMcastAuthCmtsCmStatusMaxNumSess to confirm a specific subscriber's authorized profile and session limit, revealing why a modem is being denied a multicast join.

What Can Be Monitored

  • multicast authorization enable state
  • default/per-modem authorized profile list
  • per-modem max multicast session count
  • session-rule configuration per profile
Imported Objects

From CLAB-DEF-MIB

clabProjDocsisOBJECT-IDENTITY

From DOCS-IF3-MIB

docsIf3CmtsCmRegStatusIdOBJECT-TYPE

From INET-ADDRESS-MIB

InetAddress
InetAddressPrefixLength
InetAddressType

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMP-TARGET-MIB

SnmpTagList

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
OIDs

RFC description

DOCSIS multicast authorization MIB; defines objects for managing multicast authentication and authorization in cable broadband networks (vendor-private extension).

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Download DOCS-MCAST-AUTH-MIB