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Task Command Remarks
Display the IPv6 multicast group
information created based on the
configured MLD SSM mappings.
display mld ssm-mapping group
[ ipv6-group-address | interface
interface-type interface-number ]
[ verbose ] [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Remove the dynamic group entries
of a specified MLD group or all
MLD groups.
reset mld group { all | interface
interface-type interface-number
{ all | ipv6-group-address
[ prefix-length ]
[ ipv6-source-address
[ prefix-length ] ] } }
Available in user view.
This command cannot remove
dynamic MLD group entries.
Remove the dynamic Layer 2 port
entries of a specified MLD group or
all MLD groups.
reset mld group port-info { all |
ipv6-group-address } [ vlan
vlan-id ]
Available in user view.
This command cannot remove the
Layer 2 port entries of MLD groups.
Clear MLD SSM mappings.
reset mld ssm-mapping group { all
| interface interface-type
interface-number { all |
ipv6-group-address [ prefix-length ]
[ ipv6-source-address
[ prefix-length ] ] } }
Available in user view.
MLD configuration examples
Basic MLD functions configuration example
Network requirements
As shown in Figure 78, receivers receive VOD information in the multicast mode. Receivers of different
organizations form stub networks N1 and N2, and Host A and Host C are multicast receivers in N1 and
N2 respectively.
MLDv1 runs between Switch A and N1. MLDv1 runs between the other two switches (Switch B and Switch
C) and N2. Switch B acts as the MLD querier because it has a lower IPv6 address.
The hosts in N1 can join only IPv6 multicast group FF1E::101, and the hosts in N2 can join any IPv6
multicast groups.
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