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FTOS Configuration Guide for the C-Series - Force10 Networks

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Figure 413 IGMP Membership Queries: Leaving and Staying in Groups<br />

Interface Multicast Group Filter Source Source<br />

Address Timer Mode Timer<br />

1/1 224.1.1.1 Include<br />

10.11.1.1 LQMT<br />

10.11.1.2 LQMT<br />

IGMP Group-and-Source<br />

Specific Query<br />

224.2.2.2 GMI Exclude None<br />

Configuring IGMP<br />

Configuring IGMP is a two-step process:<br />

1. Enable multicast routing using <strong>the</strong> command ip multicast-routing.<br />

2. Enable a multicast routing protocol.<br />

Related <strong>Configuration</strong> Tasks<br />

• Viewing IGMP Enabled Interfaces on page 589<br />

• Selecting an IGMP Version on page 589<br />

• Viewing IGMP Groups on page 590<br />

1/1<br />

Type: 0x11<br />

Group Address: 224.1.1.1<br />

Number of Sources: 2<br />

Source Address: 10.11.1.1, 10.11.1.2<br />

• Adjusting Timers on page 590<br />

Querier Non-Querier<br />

• Configuring a Static IGMP Group on page 591<br />

• Configuring an IGMP Join Filter on page 591<br />

• Limiting <strong>the</strong> Rate of IGMP Join Requests on page 592<br />

• Enabling IGMP Immediate-leave on page 592<br />

1<br />

2<br />

Non-querier builds identical table<br />

and waits O<strong>the</strong>r Querier Present<br />

Interval to assume Querier role<br />

Queries retransmitted Last Member<br />

Query Count times at Last Member<br />

Query Interval<br />

Type: 0x17<br />

Number of Group Records: 1<br />

Record Type: 6<br />

4<br />

Number of Sources: 2<br />

Multicast Address: 224.1.1.1<br />

Source Addresses: 10.11.1.1, 10.11.1.2<br />

IGMP Leave message<br />

Host 1 Host 2<br />

Type: 0x11<br />

Group Address: 224.0.0.1<br />

Number of Sources: 0<br />

Type: 0x22<br />

Number of Group Records: 1<br />

Record Type: 2<br />

Number of Sources: 0<br />

Multicast Address: 224.2.2.2<br />

IGMP General<br />

Membership Query<br />

IGMP Membership Report<br />

588 Internet Group Management Protocol<br />

3<br />

2/1<br />

fnC0073mp

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