Reference Guide

Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.8.1.0 Introduced on the C-Series for the port-channels and the S-Series.
Version 7.7.1.1 Introduced
Usage
Information
This command configures an expiration timer for all S.G entries, unless they are assigned to an
Extended ACL.
ip pim spt-threshold
To switch to the shortest path tree when the traffic reaches the specified threshold value, configure the PIM router.
S4820T
Syntax
ip pim spt-threshold value | infinity
To return to the default value, use the no ip pim spt-threshold command.
Parameters
value (OPTIONAL) Enter the traffic value in kilobits per second. The default
is 10 packets per second. A value of zero (0) causes a switchover on
the first packet.
infinity (OPTIONAL) Enter the keyword infinity to never switch to the
source-tree.
Defaults Not configured.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Usage
Information
This command is applicable to last hop routers on the shared tree towards the rendezvous
point (RP).
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