Multicast Listener Discovery (MLD) Snooping
Configuring MLD
Configuring Per-Port MLD Traffic Filters
Syntax: ipv6 mld [auto <port-list> | blocked <port-list> | forward <port-list>]
Note: This command must be issued in a VLAN context.
This command sets per-port traffic filters, which specify how
each port should handle MLD traffic. Allowed settings are:
auto—follows MLD snooping rules: packets are forwarded for
joined groups
blocked—all multicast packets are dropped, except that packets
for well known addresses are forwarded
forward—all multicast packets are forwarded
The default value of the filter is auto.
<port-list>—specifies the affected port or range of ports
For example:
ProCurve(vlan-8)# ipv6 mld forward a16-a18
ProCurve(vlan-8)# ipv6 mld blocked a19-a21
ProCurve(vlan-8)# show ipv6 mld vlan 8 config
MLD Service Vlan Config
VLAN ID : 8
VLAN NAME : VLAN8
MLD Enabled [No] : Yes
Querier Allowed [Yes] : Yes
Port Type | Port Mode Forced Fast Leave Fast Leave
---- --------- + --------- ----------------- ----------
A13 100/1000T | auto No Yes
A14 100/1000T | auto No Yes
A15 100/1000T | auto No Yes
A16 100/1000T | forward No Yes
A17 100/1000T | forward No Yes
A18 100/1000T | forward No Yes
A19 100/1000T | blocked No Yes
A20 100/1000T | blocked No Yes
A21 100/1000T | blocked No Yes
A22 100/1000T | auto No Yes
A23 100/1000T | auto No Yes
A24 100/1000T | auto No Yes
Figure 7-3. Example of an MLD Configuration with Traffic Filters
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