ip pim ssm

To configure group ranges for Source Specific Multicast (SSM), use the ip pim ssm range command. To reset the SSM group range to the default, use the no form of this command with the none keyword.

ip pim ssm { range { groups | none } | route-map policy-name }

no ip pim ssm { range { groups | none } | route-map policy-name }

Syntax Description

groups
List of up to four group range prefixes.
none
Removes all group ranges.
route-map policy-name
Specifies the route-map policy name.

Command Default

The SSM range is 232.0.0.0/8.

Command Modes

Global configuration mode
VRF configuration mode

Command History

Release
Modification
5.0(3)N1(1)
This command was introduced.

Usage Guidelines

The match ip multicast command is the only match command that is evaluated in the route map. You can specify the group prefix to filter messages with the match ip multicast command.

This command requires the LAN Base Services license.

Examples

This example shows how to configure a group range for SSM:

switch(config)# ip pim ssm range 239.128.1.0/24
 

This example shows how to reset the group range to the default:

switch(config)# no ip pim ssm range none
 

This example shows how to remove all group ranges:

switch(config)# ip pim ssm range none
 

Related Commands

Command
Description
show ip pim group-range
Displays information about PIM group ranges.