Mpls Ldp Overview
Table of Contents


  • for each IGP prefix, LDP binds a local lable to it. It ignores BGP routes.
  • That label gets advertised to other IGP neighbors.
  • LDP does not perform any routing-related decisions, it relies on IGP for that. LDP primarily assigned local bindings and advertises these to the neighbors.
  • Each LSR will pick the label that corresponds to the Shortest IGP path. If multiple equal paths exist, packets are load balanced.


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