586 CHAPTER 43: MLD SNOOPING CONFIGURATION
■ IPv6 multicast group and IPv6 multicast source addresses
Configuring Aging
Timers for Dynamic
Ports
If the switch receives no MLD general queries or IPv6 PIM hello messages on a
dynamic router port, the switch removes the port from the router port list when
the aging timer of the port expires.
If the switch receives no MLD reports for an IPv6 multicast group on a dynamic
member port, the switch removes the port from the outgoing port list of the
forwarding table entry for that IPv6 multicast group when the aging timer of the
port for that group expires.
If IPv6 multicast group memberships change frequently, you can set a relatively
small value for the member port aging timer, and vice versa.
Configuring aging timers for dynamic ports globally
Follow these steps to configure aging timers for dynamic ports globally:
Configuring aging timers for dynamic ports in a VLAN
Follow these steps to configure aging timers for dynamic ports in a VLAN:
Configuring Static Ports If all the hosts attached to a port is interested in the IPv6 multicast data addressed
to a particular IPv6 multicast group, you can configure that port as a static
member port for that IPv6 multicast group.
You can configure a port of a switch to be static router port, through which the
switch can forward all IPv6 multicast data it received.
Follow these steps to configure static ports:
To do… Use the command… Remarks
Enter system view system-view -
Enter MLD Snooping view mld-snooping -
Configure router port aging
time
router-aging-time interval Optional
260 seconds by default
Configure member port aging
time
host-aging-time interval Optional
260 seconds by default
To do… Use the command… Remarks
Enter system view system-view -
Enter VLAN view vlan vlan-id -
Configure router port
aging time
mld-snooping
router-aging-time interval
Optional
260 seconds by default
Configure member port
aging time
mld-snooping host-aging-time
interval
Optional
260 seconds by default
To do… Use the command… Remarks
Enter system view system-view -
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