| Multicast Filtering Commands
C
39
HAPTER
MLD Snooping
ipv6 mld snooping
version
ipv6 mld snooping
vlan immediate-
leave
When set to "router-port," any received IPv6 multicast packets that
◆
have not been requested by a host are forwarded to ports that are
connected to a detected multicast router.
E
XAMPLE
Console(config)#ipv6 mld snooping unknown-multicast mode flood
Console(config)#
This command configures the MLD snooping version. Use the no form to
restore the default.
S
YNTAX
ipv6 mld snooping version {1 | 2}
1 - MLD version 1.
2 - MLD version 2.
D
S
EFAULT
ETTING
Version 2
C
M
OMMAND
ODE
Global Configuration
E
XAMPLE
Console(config)#ipv6 mld snooping version 1
Console(config)#
This command immediately deletes a member port of an IPv6 multicast
service when a leave packet is received at that port and immediate-leave is
enabled for the parent VLAN. Use the no form to restore the default.
S
YNTAX
[no] ipv6 mld snooping vlan vlan-id immediate-leave
vlan-id - A VLAN identification number. (Range: 1-4094)
D
S
EFAULT
ETTING
Disabled
C
M
OMMAND
ODE
Global Configuration
C
U
OMMAND
SAGE
◆
If MLD immediate-leave is not used, a multicast router (or querier) will
send a group-specific query message when an MLD group leave
message is received. The router/querier stops forwarding traffic for that
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