3 igmp snooping examples – QTECH QSW-8300 Инструкция по настройке User Manual

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ip igmp snooping vlan <vlan-id> report

source-address <A.B.C.D>

no ip igmp snooping vlan <vlan-id> report

source-address

Configure forwarding IGMP packet source

address, The no operation cancels the packet

source address.

ip igmp snooping vlan <vlan-id> specific-

query-mrsp <value>

no ip igmp snooping vlan <vlan-id>

specific-query-mrspt

Configure the maximum query response time

of the specific group or source, the no

command restores the default value.

28.10.3 IGMP Snooping Examples

Scenario 1: IGMP Snooping function

Enabling IGMP Snooping function

Example: As shown in the above figure, a VLAN 100 is configured in the switch and includes

ports 1, 2, 6, 10 and 12. Four hosts are connected to port 2, 6, 10, 12 respectively and the

multicast router is connected to port 1. As IGMP Snooping is disabled by default either in the

switch or in the VLANs, If IGMP Snooping should be enabled in VLAN 100, the IGMP

Snooping should be first enabled for the switch in Global Mode and in VLAN 100 and set port

1 of VLAN 100 to be the mrouter port.

The configuration steps are listed below:

Switch(config)#ip igmp snooping

Switch(config)#ip igmp snooping vlan 100

Switch(config)#ip igmp snooping vlan 100 mrouter interface ethernet 1/0/1

Multicast

router

Group 1

IGMP

Snooping

Multicast port

Group 1

Group 1

Group 2

Multicast Server

1

Multicast Server

2

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