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Multicast Listener Discovery (MLD) Snooping
Displaying MLD Status and Configuration
Current MLD Configuration
For example, the general form of the command might look like this:
Figure 7-6. Example of a Global MLD Configuration
The following information, for all MLD-enabled VLANs, is shown:
■ Control unknown multicast: If this is set to YES, any IPv6 multicast
packets that are not joined by an MLD host will be sent only to ports that
have detected a multicast router or ports that are administratively for-
warded. If this is set to NO (or if MLD snooping is disabled), unjoined IPv6
multicast packets will be flooded out all ports in the VLAN.
■ Forced fast leave timeout: the interval between an address specific query
and a forced fast leave (assuming no response), in tenths of seconds
■ For each VLAN that has MLD enabled:
• VLAN ID and name
• whether MLD is enabled on the VLAN (default NO, but the VLAN will
not show up on this list unless MLD is enabled)
• whether the switch can act as querier for the VLAN (default YES)
Syntax: show ipv6 mld config
Displays current global MLD configuration for all MLD-
enabled VLANS on the switch.
show ipv6 vlan <vid> config
Displays current MLD configuration for the specified VLAN,
including per-port configuration information.
vid—VLAN ID
ProCurve# show ipv6 mld config
MLD Service Config
Control unknown multicast [Yes] : Yes
Forced fast leave timeout [4] : 4
VLAN ID VLAN NAME MLD Enabled Querier Allowed
------- --------------- ----------- ---------------
8 VLAN8 Yes Yes
9 VLAN9 Yes Yes