to leverage SSM for video delivery to legacy STBs that do not support IGMPv3 or for applications that do
not use the IGMPv3 host stack.
Configuring Static SSM Mapping
The following procedure describes how to configure static SSM mapping.
SUMMARY STEPS
1.
configure terminal
2.
ip igmp ssm-map enable
3.
no ip igmp ssm-map query dns
4.
ip igmp ssm-map static access-list source-address
5.
Repeat Step 4 to configure additional static SSM mappings, if required.
6.
end
7.
show running-config
8.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 1
Enables SSM mapping for groups in the configured SSM range.ip igmp ssm-map enable
Step 2
Example:
Switch(config)# ip igmp ssm-map enable
By default, this command enables DNS-based SSM
mapping.
Note
(Optional) Disables DNS-based SSM mapping.no ip igmp ssm-map query dns
Step 3
Example:
Switch(config)# no ip igmp ssm-map dns
Disable DNS-based SSM mapping if you only want to rely
on static SSM mapping. By default, the ip igmp ssm-map
global configuration command enables DNS-based SSM
mapping.
Note
Configures static SSM mapping.
ip igmp ssm-map static access-list
source-address
Step 4
The ACL supplied for access-list defines the groups to be mapped
to the source IP address entered for the source-address.
Example:
Switch(config)# ip igmp ssm-map static
Catalyst 2960-XR Switch IP Multicast Routing Configuration Guide, Cisco IOS Release 15.0(2)EX1
84 OL-29426-01
Configuring SSM
Configuring Source Specific Multicast Mapping
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