Specifications

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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ipv6 mld snooping vlan
ipv6 mld snooping vlan
To configure IP version 6 (IPv6) Multicast Listener Discovery (MLD) snooping parameters on the
VLAN interface, use the ipv6 mld snooping vlan command. To reset the parameters to the default
settings, use the no form of this command.
ipv6 mld snooping vlan vlan-id [immediate-leave | mrouter interface interface-id | static
ipv6-multicast-address interface interface-id]
no ipv6 mld snoop ing vl an vlan -id [immediate-leave | mrou ter interface interface-id | static
ip-address interface interface-id]
Syntax Description
Command Default MLD snooping Im mediate-Lea ve processin g is disabled.
By default, there are no static IPv6 multicast groups.
By default, there are no multicast switch ports.
Command Modes Global configura tion mode
Usage Guidelines You should only configure the Immedia te-Leave fea ture when t here is only one receiver on e very port in
the VLAN. The configuration is saved in NV RAM.
The static keyword is used for configuring the MLD member ports statically.
The configuration and the static por ts and groups are saved in NVRAM.
VLAN numbers 1002 through 1005 are reserve d for Token Ring and FDDI VLANs and cannot be used
in MLD snooping.
Examples This example shows how to enable MLD Immediate-Leave processing on VLAN 1:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# ipv6 mld snooping vlan 1 immediate-leave
Switch(config)# end
Switch#
vlan vlan-id Specifies a VLAN number. The range is 1 to 1001 and 1006 to 4094.
immediate-leave (Optional) Enables MLD Immediate-Leave processing on a VLAN
interface. Use the no form of the command to disable the Immediate
Leave feature on the interface.
mrouter interface (Optional) Configures a multic ast switch port. The no form of the
command removes the configuration .
static ipv6-multicast-address (Optional) Configures a multicast group with the specified IPv6
multicast address.
interfa ce inte rface-id Adds a Layer 2 port to the group. The mrouter or static interface can
be a physical port or a port-chan nel interface ranging f rom 1 to 48.