Configuring SSM Mapping
Configuring Static SSM Mapping(CLI)
Perform this task to configure the last hop router in an SSM deployment to use static SSM mapping to determine
the IP addresses of sources sending to groups.
Before You Begin
•
Enable IP multicast routing, enable PIM sparse mode, and configure SSM before performing this task.
.
•
Before you configure static SSM mapping, you must configure ACLs that define the group ranges to be
mapped to source addresses.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
ip igmp ssm-map enable
4.
no ip igmp ssm-map query dns
5.
ip igmp ssm-map static access-list source-address
6.
Repeat Step 5 to configure additional static SSM mappings, if required.
7.
end
8.
show running-config
9.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
Device> enable
Enter your password if prompted.
Enters global configuration mode.configure terminal
Example:
Device# configure terminal
Step 2
Enables SSM mapping for groups in the configured SSM range.ip igmp ssm-map enable
Step 3
Example:
Device(config)# ip igmp ssm-map enable
By default, this command enables DNS-based SSM
mapping.
Note
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
270 OL-32598-01
Configuring SSM
Configuring SSM Mapping
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