Cisco ASR 9000 Series Configuration Manual page 78

Configuring Router Guard (MLD)
Before You Begin
MLD snooping must be enabled on the bridge domain for port-specific profiles to affect MLD snooping
behavior.
Router guard configuration is a port-level option and should be added to profiles intended for ports. It is
Note
not recommended to add router guard configuration to a profile intended for bridge domains. To do so
would prevent all mrouters, including MLD queriers, from being discovered in the bridge domain.
SUMMARY STEPS
1. configure
2. mld snooping profile profile-name
3. router-guard
4. commit
5. show mld snooping profile profile-name detail
DETAILED STEPS
Command or Action
Step 1
configure
Step 2 mld snooping profile profile-name
Example:
RP/0/RSP0/CPU0:router(config)# mld snooping profile
host-port-profile
Step 3
router-guard
Example:
RP/0/RSP0/CPU0:router(config-mld-snooping-profile)#
router-guard
Step 4
commit
Step 5 show mld snooping profile profile-name detail
Example:
RP/0/RSP0/CPU0:router# show mld snooping profile
host-port-profile detail
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 6.0.x
64
Implementing MLD Snooping
Purpose
Enters MLD snooping profile configuration mode
and creates a new profile or accesses an existing
profile.
Protects the port from dynamic discovery.
(Optional) Displays the configuration settings in
the named profile.