LDP Protocol

This page provides information on the LDP Protocol detected by the Netify DPI engine. The protocol operates on TCP port 646 and UDP port 646, both officially registered with the IANA.

Protocol Description

LDP is a network protocol used in Multiprotocol Label Switching (MPLS) networks to distribute labels between routers, enabling efficient data forwarding and network routes.

Please see the protocol catalog page for information on other protocols detected by Netify DPI.

Protocol Details

ID
383
Full Name
Label Distribution Protocol
Abbreviation
LDP
Category Tag
networking
Category
Networking
Home Page
LDP
Introduced
Version 5.1.7

Protocol Ports - RFC

TCP 646
LDP
UDP 646
LDP

Related Protocols

Review the Networking category suite below, or explore the complete protocol catalog.