All MIBs › ASKEY-IGMP-SNOOP-MIB
Organization: ASKEY Inc.
Last Updated: 2003-11-26
Category: DSL and Broadband, IP and Core Protocols, Vendor: Askey
Description: Manages IGMP snooping configuration and multicast group tables on Askey DSLAM equipment.
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What Is ASKEY-IGMP-SNOOP-MIB?
The ASKEY-IGMP-SNOOP-MIB manages IGMP snooping configuration and multicast group membership tables on Askey DSLAM broadband access equipment. It exposes configuration data such as enabling/disabling snooping per port or VLAN, along with tables tracking learned multicast group memberships. Its monitoring value is primarily in software/service status: confirming that the IGMP snooping feature is active and that multicast group tables reflect the subscriber ports that actually joined a stream, which reveals a misdelivered or missing multicast forwarding entry. It builds on general IGMP/multicast snooping concepts common to IETF IGMP-related work rather than defining a new protocol. It is typically deployed in triple-play broadband access networks where DSLAMs must forward IPTV multicast streams only to the subscriber ports that requested them. Engineers can download the ASKEY-IGMP-SNOOP-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in ASKEY-IGMP-SNOOP-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
- Askey DSLAM
- DSL broadband access equipment
Monitoring Examples
No object or table names were supplied for this module beyond its brief description as an IGMP snooping OID definition set. Based on its stated purpose, it would typically expose objects for the snooping enable/disable state per VLAN and a table of multicast group memberships learned per port. An administrator would poll such a table to confirm IPTV multicast traffic is being forwarded only to the correct subscriber ports, catching a case where a stream is flooding to unintended ports or failing to reach a subscriber who joined the group.
What Can Be Monitored
- IGMP snooping enable/disable state
- multicast group membership per port/VLAN
- IGMP snooping table entries
Imported Objects
From ASKEY-DSLAM-MIB
| ipDslam | OBJECT-IDENTITY |
From Q-BRIDGE-MIB
| PortList | |
| dot1qStaticMulticastEntry | OBJECT-TYPE |
| dot1qVlanIndex | OBJECT-TYPE |
From SNMPv2-CONF
| MODULE-COMPLIANCE | |
| OBJECT-GROUP |
From SNMPv2-SMI
| Integer32 | |
| MODULE-IDENTITY | |
| OBJECT-TYPE |
From SNMPv2-TC
| TruthValue |
OIDs
RFC description
Manages IGMP (Internet Group Management Protocol) snooping for Layer 2 multicast filtering on ASKEY DSLAM equipment.
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