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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 42 IPv6 Multicast
Configuring IPv6 Multicast
2. configure terminal
3. ipv6 mld [vrf vrf-name] ssm-map enable
4. ipv6 mld [vrf vrf-name] ssm-map static access-list source-address
5. no ipv6 mld [vrf vrf-name] ssm-map query dns
DETAILED STEPS
Verifying IPv6 Multicast
Use the show commands listed below to verify the IPv6 Multicast configuration.
To display the group membership information on various interfaces on a router, use the show command
described in the following example.
Router# show ipv6 mld groups
MLD Connected Group Membership
Group Address Interface Uptime Expires
FF0E::E0:1:1:1 FastEthernet4/10 04:25:51 00:03:38
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
ipv6 mld
[vrf
vrf-name
] ssm-map enable
Example:
Router(config-if)# ipv6 mld ssm-map
enable
Enables the SSM mapping feature for groups in the configured SSM
range.
Note You should first create ACL to define the group that needs
to be mapped.
Step 4
ipv6 mld
[vrf
vrf-name
] ssm-map static
access-list source-address
Example:
Router(config-if)# ipv6 mld ssm-map
static SSM_MAP_ACL_2 2001:DB8:1::1
Configures static SSM mappings.
Step 5
no ipv6 mld
[vrf
vrf-name
] ssm-map
query dns
Example:
Router(config-if)# ipv6 mld ssm-map
query dns
Disables DNS-based SSM mapping.
Note You must disable SSM-map query dns when static mapping
is configured.