CCIE RS – L2 WAN Circuit Technology – MLPPP

Multilink PPP

  • Provides load balancing functionality over multiple WAN links
  • RFC 1990
  • Allows packets to be fragmented and sent at same time over multiple p2p links

Link Fragmentation and Interleaving (LFI)

  • Type of Cisco QoS
  • Prevent small delay sensitive packets from having to wait on longer, delay insensitive packets to be completely serialized out an interface
  • Fragments larger packets
  • Ppp multilink interleave
  • Ppp multilink fragment-delay [#]


Interface multilink [#]
Ip address
Ppp multilink
Ppp multilink group [#]

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