3Com S7902E, Configuration Manual

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1-8
Displaying and Maintaining IPv6 Multicast VLAN
To do… Use the command… Remarks
Display information about an
IPv6 multicast VLAN display multicast-vlan ipv6
[ vlan-id ]
Available in any view
IPv6 Multicast VLAN Configuration Examples
Sub-VLAN-Based Multicast VLAN Configuration Example
Network requirements
z
As shown in Figure 1-4 , Router A connects to an IPv6 multicast source through GigabitEthernet
2/0/1 and to Switch A, through GigabitEthernet 2/0/2.
z
MLDv1 is required on Router A, and MLD Snooping is required on Switch A. Router A is the MLD
querier.
z
Switch A’s GigabitEthernet 2/0/1 belongs to VLAN 10, GigabitEthernet 2/0/2 through
GigabitEthernet 2/0/4 belong to VLAN 2 through VLAN 4 respectively, and Host A through Host C
are attached to GigabitEthernet 2/0/2 through GigabitEthernet 2/0/4 of Switch A.
z
The IPv6 multicast source sends IPv6 multicast data to the IPv6 multicast group FF1E::101. Host A,
Host B, and Host C are receivers of the IPv6 multicast group.
z
Configure the sub-VLAN-based IPv6 multicast VLAN feature so that Router A just sends IPv6
multicast data to Switch A through the IPv6 multicast VLAN and Switch A forwards the traffic to the
receivers that belong to different user VLANs.
Figure 1-4 Network diagram for sub-VLAN-based IPv6 multicast VLAN configuration
Source
Receiver
Host A
VLAN 2
GE2/0/2
GE2/0/3
GE2/0/4
Switch A
MLD querier
Router A
GE2/0/1
1:2/64
GE2/0/2
2001::1/64
1::1/64
Receiver
Host B
VLAN 3
Receiver
Host C
VLAN 4
GE2/0/1
Configuration procedure
1) Enable IPv6 forwarding and configure IPv6 addresses