Reference Guide

1108 | PIM-Sparse Mode (PIM-SM)
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ip pim sparse-mode
c e s
Enable PIM sparse mode and IGMP on the interface.
Syntax
ip pim sparse-mode
To disable PIM sparse mode and IGMP, enter no ip pim sparse-mode.
Defaults
Disabled.
Command Modes
INTERFACE
Command
History
Usage
Information
C-Series supports a maximum of 31 PIM interfaces.
The interface must be enabled (no shutdown command) and not have the switchport command
configured. Multicast must also be enabled globally (using the ip multicast-lag-hashing command). PIM
is supported on the port-channel interface.
Related
Commands
ip pim sparse-mode sg-expiry-timer
c e s
Enable expiry timers globally for all sources, or for a specific set of (S,G) pairs defined by an access
list.
Syntax
ip pim sparse-mode sg-expiry-timer seconds [access-list name]
To disable configured timers and return to default mode, enter no ip pim sparse-mode
sg-expiry-timer
.
Parameters
Defaults
Disabled. The default expiry timer (with no times configured) is 210 sec.
Command Modes
CONFIGURATION
Command
History
Usage
Information
This command configures an expiration timer for all S.G entries, unless they are assigned to an
Extended ACL.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Introduced on C-Series on port-channels and S-Series
ip multicast-lag-hashing Enable multicast globally.
seconds
Enter the number of seconds the S, G entries will be retained.
Range 211-86400
access-list
name
(OPTIONAL) Enter the name of a previously configured Extended ACL to enable the
expiry time to specified S,G entries
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Introduced
Version 7.7.1.1 Introduced