Reference Guide

PIM Source-Specific Mode | 731
Configure PIM-SM
Configuring PIM-SSM is a one-step process:
1. Enable PIM-SM. Refer to Enable PIM-SM.
2. Enable PIM-SSM for a range of addresses. Refer to Enable PIM-SSM.
Related Configuration Tasks
• Use PIM-SSM with IGMP version 2 Hosts
Enable PIM-SSM
To enable PIM-SSM:
Display address ranges in the PIM-SSM range using the command
show [ip | ipv6] pim ssm-range from
EXEC Privilege mode.
R1(conf)#do show run pim
!
ip pim rp-address 10.11.12.2 group-address 224.0.0.0/4
ip pim ssm-range ssm
R1(conf)#do show run acl
!
ip access-list standard ssm
seq 5 permit host 239.0.0.2
R1(conf)#do show ip pim ssm-range
Group Address / MaskLen
239.0.0.2 / 32
Step Task Command Syntax Command Mode
1 Create an ACL that uses permit rules to specify what range of
addresses should use SSM. You must at least include one
rule, permit 232.0.0.0/8, which is the default range for
PIM-SSM.
[ip | ipv6] access-list
standard name
CONFIGURATION
2 Enter the command ip pim ssm-range and specify the ACL
you created.
[ip | ipv6] pim
ssm-range acl-name
CONFIGURATION