All MIBs › CISCOSB-rlBrgMulticast-MIB › rlIgmpSnoopMembershipCompatibilityMode
rlIgmpSnoopMembershipCompatibilityMode
Module: CISCOSB-rlBrgMulticast-MIB
OID (symbolic): CISCOSB-rlBrgMulticast-MIB::rlIgmpSnoopMembershipCompatibilityMode
OID (numeric): 1.3.6.1.4.1.9.6.1.101.55.2.11.1.7
Node type: OBJECT-TYPE
Type: IgmpVersion
Access: read-only
Description: IGMP group compatibility mode.
What is rlIgmpSnoopMembershipCompatibilityMode?
This read-only field reports the IGMP version compatibility mode, v1, v2, or v3, that the switch is using for a specific multicast group's membership tracking, which can differ from the VLAN's general version. An administrator checks this when a particular group behaves differently than expected, since an older host joining that specific group can force it into a legacy compatibility mode. For example, if a group unexpectedly loses source-filtering behavior, rlIgmpSnoopMembershipCompatibilityMode may reveal it has fallen back to IGMPv2 compatibility due to an older host joining that group.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.55.2.11.1.7 snmpwalk -v2c -c public <target> CISCOSB-rlBrgMulticast-MIB::rlIgmpSnoopMembershipCompatibilityMode
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.6.1.101.55.2.11.1.7.1 snmpget -v2c -c public <target> CISCOSB-rlBrgMulticast-MIB::rlIgmpSnoopMembershipCompatibilityMode.1
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OID Breakdown
Upper-level ancestors (11 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 |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.6 | otherEnterprises | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1 | ciscoSB | CISCO-SMI |
| 1.3.6.1.4.1.9.6.1.101 | switch001 | CISCOSB-MIB |
| 1.3.6.1.4.1.9.6.1.101.55 | rlMacMulticast | CISCOSB-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.6.1.101.55.2 | rlIgmpSnoop | CISCOSB-rlBrgMulticast-MIB |
| 1.3.6.1.4.1.9.6.1.101.55.2.11 | rlIgmpSnoopMembershipTable | CISCOSB-rlBrgMulticast-MIB |
| 1.3.6.1.4.1.9.6.1.101.55.2.11.1 | rlIgmpSnoopMembershipEntry | CISCOSB-rlBrgMulticast-MIB |
| 1.3.6.1.4.1.9.6.1.101.55.2.11.1.7 | rlIgmpSnoopMembershipCompatibilityMode | CISCOSB-rlBrgMulticast-MIB |