Oracle Fabric Interconnect: How to Enable/Disable IGMP Snooping on a Ethernet IO Card

Asset ID:	1-71-1518900.1
Update Date:	2017-07-11
Keywords:

Solution Type Technical Instruction Sure

Solution 1518900.1 : Oracle Fabric Interconnect: How to Enable/Disable IGMP Snooping on a Ethernet IO Card

Applies to:

Oracle Fabric Interconnect F1-15 - Version All Versions to All Versions [Release All Releases]
Oracle Fabric Interconnect F1-4 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Goal

How to enable/disable IGMP snooping on a Ethernet IO card.

Fix

IGMP snooping is the process of listening to Internet Group Management Protocol (IGMP) network traffic. IGMP snooping, as implied by the name, is a feature that allows a network switch to listen in on the IGMP conversation between hosts and routers. By listening to these conversations, the switch maintains a map of which links need which IP multicast streams. Multicasts may be filtered from the links which do not need them.

Be aware of the following consideration regarding enabling and disabling IGMP on Xsigo IO director:

The ability to enable or disable IGMP is supported at the I/O module-level only. You *cannot* control the state of
IGMP traffic on a per-port basis.

IGMP snooping is enabled by default. If it has to be disabled run the command from IOD cli by logging in as admin:

#set ethernet-card <IO card number> -igmp-snooping=false

NOTE: It is always recommended to reboot IO card to avoid delays of vnics joining the group.

This change is inherited by that IO card ports which can be verified by running the command:

"show diagnostics iop <IO card number> port-info <port number">

IGMP snooping can be disabled or enabled on the fly, this would not interrupt IO traffic on the vnics bound to the IO port of the card.

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