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.
S4810 
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 Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS 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).
1294
PIM-Sparse Mode (PIM-SM)