Specifications

mpls ldp sync
MP-267
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
mpls ldp sync
To enable Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP)-Interior Gateway
Protocol (IGP) synchronization on interfaces for an Open Shortest Path First (OSPF) process or an
Intermediate System-to-Intermediate System (IS-IS) process, use the mpls ldp sync command in router
configuration mode. To disable this feature, use the no form of this command.
mpls ldp sync
no mpls ldp sync
Syntax Description This command has no arguments or keywords.
Command Default MPLS LDP-IGP synchronization is not enabled on interfaces belonging to the OSPF or IS-IS processes.
Command Modes Router configuration
Command History
Usage Guidelines If the mpl
s ldp sync command is configured, you cannot enter the global no mpls ip command. If you
want to disable LDP synchronization, you must enter the no mpls ldp igp sync command first.
The
mpls ldp sync command is supported with OSPF or IS-IS. Other IGPs are not supported.
Examples In the following example, MPLS LDP-IGP synchronization is enabled for an OSPF process or an IS-IS
pr
ocess:
Router(config-router)# mpls ldp sync
Related Commands
Release Modification
12.0(30)S This command was introduced.
12.3(14)T This command was integrated into Cisco IOS Release 12.3(14)T.
12.0(32)SY This command is supported on interfaces running IS-IS processes in
Cisc
o IOS Release 12.0(32)SY.
12.2(33)SRB This command was integrated into Cisco IOS Release 12.2(33)SRB.
12.2(33)SB This command was integrated into Cisco IOS Release 12.2(33)SB.
Command Description
mpls ldp igp sync Enables MPLS LDP-IGP synchronization on an interface that belongs
to
an OSPF process.
no mpls ip Disables hop-by-hop forwarding.