<SwitchA> system-view
[SwitchA] multicast ipv6 routing-enable
[SwitchA] interface vlanif 100
[SwitchA-Vlanif100] pim ipv6 sm
[SwitchA-Vlanif100] mld enable
[SwitchA-Vlanif100] mld version 2
[SwitchA-Vlanif100] quit
The configurations of SwitchB and SwitchC are similar to the configuration of SwitchA, and
are not provided here.
Step 3 Verify the configuration.
# Run the display mld interface command, and you can check the configuration and running
status of MLD on each interface. MLD information on VLANIF 200 of SwitchB is as follows:
<SwitchB> display mld interface vlanif 200
Interface information
Vlanif200(FE80::200:5EFF:FE66:5100):
MLD is enabled
Current MLD version is 2
MLD state: up
MLD group policy: none
MLD limit: -
Value of query interval for MLD (negotiated): 125 s
Value of query interval for MLD (configured): 125 s
Value of other querier timeout for MLD: 0 s
Value of maximum query response time for MLD: 10 s
Value of last listener query time: 2 s
Value of last listener query interval: 1 s
Value of startup query interval: 31 s
Value of startup query count: 2
General query timer expiry (hours:minutes:seconds): 00:00:28
Querier for MLD: FE80::200:5EFF:FE66:5100 (this router)
MLD activity: 0 joins, 0 dones
Robustness (negotiated): 2
Robustness (configured): 2
Require-router-alert: disabled
Send-router-alert: enabled
Prompt-leave: disabled
SSM-Mapping: disabled
Startup-query-timer-expiry: on
Other-querier-present-timer-expiry: off
From the display, you can see that SwitchB is a querier. This is because the IPv6 address of
VLANIF 200 on S7700B is the smallest on the network segment.
----End
Configuration Files
l Configuration file of SwitchA
#
sysname SwitchA
#
vlan batch 100 101
#
ipv6
#
multicast ipv6 routing-enable
#
interface Vlanif101
ipv6 enable
ipv6 address 2002::1/64
pim ipv6 sm
#
interface Vlanif100
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 10 MLD Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
378
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