347
Parameters
None
Description
Use send-router-alert to globally enable the insertion of the Router-Alert option into MLD messages to be
sent.
Use undo send-router-alert to globally disable the insertion of the Router-Alert option into MLD messages
to be sent.
By default, MLD messages carry the Router-Alert option.
Related commands: mld send-router-alert and require-router-alert.
Examples
# Disable insertion of the Router-Alert option into MLD messages to be sent.
<Sysname> system-view
[Sysname] mld
[Sysname-mld] undo send-router-alert
ssm-mapping (MLD view)
Syntax
ssm-mapping ipv6-group-address prefix-length ipv6-source-address
undo ssm-mapping { ipv6-group-address prefix-length ipv6-source-address | all }
View
MLD view
Default level
2: System level
Parameters
ipv6-group-address: Specifies an IPv6 multicast group by its IPv6 address, in the form of FFxy::/16,
where x and y represent any hexadecimal number ranging from 0 to F.
prefix-length: Specifies the Prefix length of the IPv6 multicast group address, in the range of 8 to 128.
ipv6-source-address: Specifies a multicast source by its IPv6 address.
all: Removes all MLD SSM mappings.
Description
Use ssm-mapping to configure an MLD SSM mapping.
Use undo ssm-mapping to remove one or all MLD SSM mappings.
By default, no MLD SSM mappings are configured.
Related commands: display mld ssm-mapping and mld ssm-mapping enable.
Examples
# Configure an MLD SSM mapping for multicast groups in the range of FF1E::/64 and multicast source
1: :1.
<Sysname> system-view
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