PPP Notes – LFI

  • Link Fragmentation and Interleaving
  • A QoS tool to prevent smaller, higher-priority packets from waiting on larger packets to transmit
    • For example, VoIP packets and FTP packets
  • Fragments the larger packets and interleaves them with the smaller packets
  • Only available in PPP with Multilink
    • Can be a multilink bundle with a single link in it
  • Common to use with LLQ to interleave the delay-sensitive packets
  • fragment-delay allows you to change the fragment size
    • In milliseconds
    • size = fragment-delay * bandwidth of interface


Corrections, please.

Aaron Conaway

I shake my head around sometimes and see what falls out. That's what lands on these pages. If you have any questions, the best way to contact me is through Twitter at @aconaway.

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