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Implementing BGP on Cisco IOS XR Software
How to Implement BGP on Cisco IOS XR Software
RC-45
Cisco IOS XR Routing Configuration Guide
SUMMARY STEPS
1. configure
2. router bgp autonomous-system-number
3. bgp redistribute-internal
4. end
or
commit
DETAILED STEPS
Command or Action Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
router bgp
autonomous-system-number
Example:
RP/0/RP0/CPU0:router(config)# router bgp 120
Enters BGP configuration mode allowing you to configure
the BGP routing process.
Step 3
bgp redistribute-internal
Example:
RP/0/RP0/CPU0:router(config-bgp)# bgp
redistribute-internal
Allows the redistribution of iBGP routes into an IGP, such
as IS-IS or OSPF.
Step 4
end
or
commit
Example:
RP/0/RP0/CPU0:router(config-bgp)# end
or
RP/0/RP0/CPU0:router(config-bgp)# commit
Saves configuration changes.
• When you issue the end command, the system prompts
you to commit changes:
Uncommitted changes found, commit them before
exiting(yes/no/cancel)?
[cancel]:
–
Entering yes saves configuration changes to the
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.