Specifications

mpls ip encapsulate explicit-null
MP-173
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
mpls ip encapsulate explicit-null
To encapsulate all packets forwarded from the interface or subinterface with an explicit NULL label
header, use the mpls ip encapsulate explicit-null command in interface configuration or subinterface
configuration mode. To disable this function, use the no form of this command.
mpls ip encapsulate explicit-null
no mpls ip encapsulate explicit-null
Syntax Description This command has no arguments or keywords.
Defaults Packets are sent out without an explicit NULL label header.
Command Modes Interface configuration
Subinterface configuration
Command History
Usage Guidelines This is a per-interface command. The command establishes an explicit NULL LSP at the customer edge
(
CE) router. If MPLS is configured on a router and you enter this command, an error message occurs.
This command is also supported on the Cisco 2600 series and Cisco 3600 series platforms.
Examples The following example shows how to encapsulate all packets forwarded onto the interface or
su
binterface with an explicit NULL label header:
Router(config-if)# mpls ip encapsulate explicit-null
Release Modification
12.2(13)T This command was introduced.