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| Sun Ethernet Fabric Operating System ### PIM Administration Guide

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## Specify the PIM SPT Switch Period

You can specify the amount of time (in seconds) the data rate is monitored before data will be transmitted through the SPT. The SPT switching period must be configured to switch to SPT. You can instruct SPT switching to monitor the data rate for both the source and the group.

1. Configure the group and source threshold values, as well as the SPT switch period.

       SEFOS# configure terminal
       SEFOS(config)# set ip pim enable
       SEFOS(config)# set ip pim threshold spt-grp 10
       SEFOS(config)# set ip pim threshold spt-src 15
       SEFOS(config)# set ip pim spt-switchperiod 5
       SEFOS(config)# end

   This example transmits data through the SPT when the data transfer rate for the group exceeds 10 bps. The switch monitors the activity for 5 seconds.

2. Ensure that the correct period of time has been set.

       SEFOS# show ip pim thresholds

       PIM SPT Threshold Information
       -----------------------------
         Group Threshold  : 10
         Source Threshold : 15
         Switching Period : 5

       PIM SPT-RP Threshold Information
       --------------------------------
         Register Threshold       : 0
         RP Switching Period      : 0
         Register Stop rate limit : 5

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