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Spirent TestCenter : Can we use TCP for LDP Hello message discovery?

Environment/Versions
  • Spirent TestCenter
  • MPLS - LDP
Answer
  • No, LDP utilizes only the well-known UDP port 646 for the discovery mechanism using Hello packets.
  • Once the hello adjacency is established, subsequent exchanges will be established via well-known TCP port 646

Product : Spirent TestCenter,LDP,Spirent TestCenter,MPLS