Enabling/Disabling multicast traffic to SPT

Switching to SPT is enabled by default.

Prerequisites

You must be in the PIM configuration context, as indicated by the switch(config-pim)# prompt.

Procedure

Enable or disable the router's ability to switch multicast traffic flows to the Shortest Path Tree (SPT) using the following command.

spt-threshold

For example, the following command enables switching traffic flows to the SPT:

switch(config)# router pim
switch(config-pim)# spt-threshold

The no form of the command disables switching to SPT.