3.17.2.1 MLD Snooping Basic Configuration

MLD global and port related configuration.

Command Syntax:

ipv6 mld snooping 
ipv6 mld unknown-flooding 
ipv6 mld ssm-range <prefix_addr> <prefix_len>
ipv6 mld host-proxy [ leave-proxy ]
ipv6 mld snooping mrouter 
ipv6 mld snooping immediate-leave 
ipv6 mld snooping max-groups <grp_cnt_max>
Table 3-80. Command Description

Argument

Description

Parameter

<prefix_addr>

IPv6 multicast address

<prefix_len>

Prefix length ranges from 8 to 128

<grp_cnt_max>

Maximum number of MLD group registrations

Default

N.A

Mode

Global Configuration mode and Port List Interface mode (for type, immediate leave, and throttling settings)

Usage

Enable MLD Snooping and interface settings. To disable, use the ‘no’ version of the command.

Example

Example 1:

Enable MLD Snooping and unregistered IPMCv6 flooding.

# configure terminal
(config)# ipv6 mld snooping
(config)# ipv6 mld unknown-flooding

Example 2:

Set port 2 type as Router port and enable immediate leave setting.

# configure terminal
(config)# interface GigabithEthernet 1/2
(conf-if)# ipv6 mld snooping mrouter
(conf-if)# ipv6 mld snooping immediate-leave