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Supported LDP Standards

Junos OS substantially supports the following RFCs and Internet drafts, which define standards for LDP.

  • RFC 3212, Constraint-Based LSP Setup using LDP
  • RFC 3478, Graceful Restart Mechanism for Label Distribution Protocol
  • Internet draft draft-napierala-mpls-targeted-mldp-01.txt, Using LDP Multipoint Extensions on Targeted LDP Sessions

The following RFCs do not define standards, but provide information about LDP. The IETF classifies them as “Informational.”

  • RFC 3215, LDP State Machine
  • RFC 5036, LDP Specification

    For the following features described in the indicated sections of the RFC, Junos OS supports one of the possible modes but not the others:

    • Label distribution control (section 2.6.1): Ordered mode is supported, but not Independent mode.
    • Label retention (section 2.6.2): Liberal mode is supported, but not Conservative mode.
    • Label advertisement (section 2.6.3): Both Downstream Unsolicited mode and Downstream on Demand mode are supported.
  • RFC 5443, LDP IGP Synchronization

Modified: 2015-06-24