Cisco Systems MPC-273 manual MPC-282

Implementing MPLS VPNs over IP Tunnels on Cisco IOS XR Software

How to Configure MPLS VPNs over IP Tunnels

DETAILED STEPS

	Command or Action	Purpose
Step 1
	configure	Enters global configuration mode.
	Example:
	RP/0/RP0/CPU0:router# configure
Step 2
	interface type interface-id	Enters interface configuration mode and enables a
		Loopback interface.
	Example:
	RP/0/RP0/CPU0:router(config)# interface
	Loopback0
Step 3
	ipv4 address ipv4-address	Enters an IPv4 address and mask for the associated IP
		subnet. The network mask can be specified in either of two
	Example:	ways:
	RP/0/RP0/CPU0:router(config-if)# ipv4 address	• The network mask can be a four-part dotted decimal
	1.1.1.1 255.255.255.255	address. For example, 255.0.0.0 indicates that each bit
		equal to 1 means that the corresponding address bit
		belongs to the network address.
		• The network mask can be indicated as a slash (/) and
		number. For example, /8 indicates that the first 8 bits of
		the mask are ones, and the corresponding bits of the
		address are the network address.
Step 4
	end	Saves configuration changes.
	or	• When you issue the end command, the system prompts
	commit	you to commit changes:
		Uncommitted changes found, commit them before
	Example:	exiting(yes/no/cancel)?
	RP/0/RP0/CPU0:router(config-if)# end	[cancel]:
	or	– Entering yes saves configuration changes to the
	RP/0/RP0/CPU0:router(config-if)# commit
		running configuration file, exits the configuration
		session, and returns the router to EXEC mode.
		– Entering no exits the configuration session and
		returns the router to EXEC mode without
		committing the configuration changes.
		– Entering cancel leaves the router in the current
		configuration session without exiting or
		committing the configuration changes.
		• Use the commit command to save the configuration
		changes to the running configuration file and remain
		within the configuration session.

	Cisco IOS XR MPLS Configuration Guide
MPC-282	OL-12284-01