3Com Switch 8800 Advanced Software V5 Configuration Guide

654 CHAPTER 45: MLD SNOOPING CONFIGURATION
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■ Configurations made in MLD Snooping view are effective for all VLANs, while
configurations made in VLAN view are effective only for ports belonging to the
current VLAN. For a given VLAN, a configuration made in MLD Snooping view
is effective only if the same configuration is not made in VLAN view.
■ Configurations made in MLD Snooping view are effective for all ports;
configurations made in interface view are effective only for the current
interface; configurations made in port group view are effective only for all the
ports in the current port group. For a given port, a configuration made in MLD
Snooping view is effective only if the same configuration is not made in
interface view or port group view.
Configuring Basic
Functions of MLD
Snooping
Configuration
Prerequisites
Before configuring the basic functions of MLD Snooping, complete the following
tasks:
■ Configure the corresponding VLANs
■ Configure the corresponding port groups
Before configuring the basic functions of MLD Snooping, prepare the following
data:
■ The version of MLD Snooping
■ Aging time of router ports
■ Aging timer of member ports
Enabling MLD Snooping Follow these steps to enable MLD Snooping:
“Configuring an IPv6 Multicast
Group Policy” on page 661
“Configuring an IPv6
Multicast Group Filter” on
page 662
Optional
“Configuring Maximum
Multicast Groups that Can
Pass Ports” on page 663
Optional
“Configuring IPv6 Multicast
Group Replacement” on
page 663
Optional
Task Remarks
To do... Use the command... Remarks
Enter system view system-view -
Enable MLD Snooping
globally and enter MLD
Snooping view
mld-snooping Required
Disabled by default
Return to system view quit -
Enter VLAN view vlan vlan-id -