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LDP Standards

LDP is described in the following RFC and Internet draft:

RFC 3036, LDP Specification

The JUNOS software supports the required elements of RFC 3036, except the following:

loop detection
CR-LDP

The RFC establishes three modes that the JUNOS software only partially supports:

Label distribution control mode
Label retention mode
Label advertisement mode

The following values for these modes are supported:

Label distribution control mode: ordered
Label retention mode: liberal
Label advertisement mode: downstream unsolicited

The following values for these modes are not supported:

Label distribution control mode: independent
Label retention mode: conservative
Label advertisement mode: downstream on demand
RFC 3212, Constraint-Based LSP Setup using LDP
RFC 3215, LDP State Machine
RFC 3478, Graceful Restart Mechanism for Label Distribution Protocol

To access Internet RFCs and drafts, go to the IETF Web site at http://www.ietf.org/.

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