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Multicast SPT Threshold Tab

  • Network > Virtual Router > Multicast > SPT Threshold
Use the following fields to configure multicast SPT thresholds:
Multicast Settings – SPT Threshold
The Shortest Path Tree (SPT) threshold defines the throughput rate (in kbps) at which multicast routing will switch from shared tree distribution (sourced from the rendezvous point) to source tree distribution.
the following SPT settings:
  • Multicast Group Prefix
    —Specify the multicast IP address/prefix for which the SPT will be switched to source tree distribution when the throughput reaches the desired threshold (kbps).
  • Threshold
    —Specify the throughput at which to switch from shared tree distribution to source tree distribution.

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