QTECH QSW-8300 Инструкция по настройке User Manual

Page 291

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290

Open the switch MLD Snooping Function figure

As shown above, the vlan 100 configured on the switch consists of ports 1, 2, 6, 10, 12. Four

hosts are respectively connected to 2, 6, 10, 12 while the multicast router on port 1. Suppose

we need MLD Snooping on VLAN 100, however by default, the global MLD Snooping as well

as the MLD Snooping on each VLAN are, therefore first we have to enable the global MLD

Snooping at the same time enable the MLD Snooping on VLAN 100, furthermore we need to

set the port 1 of VLAN 100 as a mrouter port.

Configuration procedure is as follows.

Switch#config

Switch(config)#ipv6 mld snooping

Switch(config)#ipv6 mld snooping vlan 100

Switch(config)#ipv6 mld snooping vlan 100 mrouter-port interface ethernet 1/0/1

Multicast configuration:

Assume there are two multicast servers: the Multicast Server 1 and the Multicast Server 2,

amongst program 1 and 2 are supplied on the Multicast Server 1 while program 3 on the

Multicast server 2, using group addresses respectively the Group 1, Group 2 and Group 3.

Concurrently multicast application is operating on the four hosts. Two hosts connected to port

2 and 5 are playing program 1 while the host connected to port 10 playing program 2, and the

one to port 12 playing program 3.

MLD Snooping interception results:

The multicast table on vlan 100 shows: port1, 2 and 6 are in (Multicasting Server 1, Group1) ,

port1, 10 are in (Multicasting Server 1,Group2), and port1, 12 are in (Multicasting Server 2,

Group3)

All the four hosts successfully receive programs they are interested in. port2, 6 receives no

traffic from program2 and 3; port10 receives no traffic from program 1 and 3, and port12

receives no traffic from program1 and 2.

Scenario 2: MLD L2-general-querier

Multicast Router

Mrouter Port

MLD Snooping

Switch

Group

1

Group

1

Group

1

Group

2

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