Mpls Ldp Graceful-Restart - Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - COMMAND REFERENCE A TO M 2010-10-19 Command Reference Manual

JunosE 11.3.x Command Reference Guide A to M

mpls ldp graceful-restart

Syntax
Release Information
Description
Options
Mode
1352
mpls ldp graceful-restart [ helper ]
no mpls ldp graceful-restart
Command introduced in JunosE Release 7.1.0.
Enables LDP graceful restart to preserve MPLS forwarding state across a restart, and
helper mode, or only helper mode. LDP graceful restart and helper mode are both disabled
by default. The no version disables both LDP graceful restart and helper mode.
Graceful restart causes the fault tolerant session TLV to be included in LDP initialization
messages with a nonzero value for the reconnect timeout. This action announces to
neighbors that the router preserves its forwarding state cross a restart.
Helper mode causes the fault tolerant session TLV to be included in LDP initialization
messages. The reconnect timeout value in the TLV is zero when LDP graceful restart is
disabled. This TLV announces to neighbors that the router preserves any label-FEC
mapping it has received from a neighbor in the event that the neighbor performs an LDP
graceful restart.
helper—Configures only helper mode to preserve label-FEC mappings from a neighbor
in the event the neighbor gracefully restarts
Global Configuration
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