Deployment Guide

Table Of Contents
ip pim spt-threshold
To switch to the shortest path tree when the traffic reaches the specified threshold value, configure the PIM router.
C9000 Series
Syntax
ip pim spt-threshold [infinity]
To return to the default value, use the no ip pim spt-threshold [infinity] [vrf vrf-
name] command.
Parameters
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 Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON. Added support for VRF.
9.5(0.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
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).
ip pim sparse-mode sg-expiry-timer
Enable expiry timers globally for all sources.
C9000 Series
Syntax
ip pim sparse-mode sg-expiry-timer seconds
To disable configured timers and return to default mode, use the no ip pim sparse-mode sg-
expiry-timer command.
Parameters
seconds
Enter the number of seconds the S, G entries are retained. The range is from 211 to
65535.
Defaults Disabled. The default expiry timer (with no times configured) is 210 sec.
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.
PIM-Sparse Mode (PIM-SM) 1307