C
HAPTER
29
| MLD Snooping Commands
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mld filtering This command displays or sets MLD group filtering for specified ports.
SYNTAX
mld filtering [port-list] [add | del] [group-address]
port-list - A specific port or a range of ports. (Range: 1-28, or all)
add - Adds a new MLD group filtering entry.
del - Deletes an MLD group filtering entry.
group-address - MLD multicast group address.
DEFAULT SETTING
None
COMMAND USAGE
Multicast groups specified by this command are denied access on the
specified ports. When filter groups are defined, MLD listener reports
received on a port are checked against these groups. If a requested
multicast group is denied, the MLD report is dropped.
EXAMPLE
MLD>filtering 9 FF00:0:0:0:0:0:0:10C
MLD>
mld router This command displays or sets specified ports which are attached to a
known MLD router.
SYNTAX
mld router [port-list] [enable | disable]
port-list - A specific port or a range of ports. (Range: 1-28, or all)
enable - Sets the specified ports to function as a router port, which
leads towards a Layer 3 multicast device or MLD querier.
disable - Disables router port functionality on the specified ports.
DEFAULT SETTING
Disabled
COMMAND USAGE
If MLD snooping cannot locate the MLD querier, you can manually
designate a port which is connected to a known MLD querier (i.e., a
multicast router/switch). This interface will then join all the current
multicast groups supported by the attached router/switch to ensure that
multicast traffic is passed to all appropriate interfaces within the switch.
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