Enable Igmp Querier on the Vlan | Blade ICE G8124-E manual

BLADEOS 6.5.2 Application Guide

IGMP Querier

IGMP Querier allows the switch to perform the multicast router (Mrouter) role and provide Mrouter discovery when the network or virtual LAN (VLAN) does not have a router.

When IGMP Querier is enabled on a VLAN, the switch acts as an IGMP querier in a Layer 2 network environment. The IGMP querier periodically broadcasts IGMP Queries and listens for hosts to respond with IGMP Reports indicating their IGMP group memberships. If multiple Mrouters exist on a given network, the Mrouters elect one as the querier, which performs all periodic membership queries. The election process can be based on IPv4 address or MAC address.

Note – When IGMP Querier is enabled on a VLAN, the switch performs the role of IGMP querier only if it meets the IGMP querier election criteria.

Follow this procedure to configure IGMP Querier.

1.Enable IGMP and configure the source IPv4 address for IGMP Querier on a VLAN.

RS G8124(config)# ip igmp enable

RS G8124(config)# ip igmp querier vlan 2 source-ip 10.10.10.1

2.Enable IGMP Querier on the VLAN.

RS G8124(config)# ip igmp querier vlan 2 querier

3.Configure the querier election type and define the address.

RS G8124(config)# ip igmp querier vlan 2 election-type ipv4

4.Verify the configuration.

RS G8124# show ip igmp querier vlan 2

Current IGMP snooping Querier information: IGMP Querier information for vlan 2: Other IGMP querier - none

Switch-querier enabled, current state: Querier

Switch-querier type: Ipv4, address 10.10.10.1,

Switch-querier general query interval: 125 secs,

Switch-querier max-response interval: 100 'tenths of secs',

Switch-querier startup interval: 31 secs, count: 2

Switch-querier robustness: 2 IGMP configured version is v3 IGMP Operating version is v3

BMD00220, October 2010

Chapter 18: Internet Group Management Protocol 255

G8124-E, G8124 specifications

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Blade ICE G8124-E manual Enable Igmp Querier on the Vlan

Models: G8124-E G8124