SUMMARY STEPS
1.
configure
2.
service cgn instance-name
3.
service-type nat44 nat1
4.
alg activeFTP
5.
end or commit
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure
Example:
RP/0/RP0/CPU0:router# configure
Step 1
Configures the instance named cgn1 for the CGN application and enters
CGN configuration mode.
service cgn instance-name
Example:
RP/0/RP0/CPU0:router(config)# service
cgn cgn1
RP/0/RP0/CPU0:router(config-cgn)#
Step 2
Configures the service type keyword definition for NAT44 application.service-type nat44 nat1
Example:
RP/0/RP0/CPU0:router(config-cgn)#
service-type nat44 nat1
Step 3
Configures the FTP ALG on the NAT44 instance.alg activeFTP
Example:
RP/0/RP0/CPU0:router(config-cgn-nat44)#
alg activeFTP
Step 4
Saves configuration changes.end or commit
Example:
RP/0/RP0/CPU0:router(config-cgn)# end
or
RP/0/RP0/CPU0:router(config-cgn)# commit
Step 5
•
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.
Cisco IOS XR Carrier Grade NAT Configuration Guide for the Cisco CRS Router, Release 5.2.x
OL-32659-01 37
Implementing Carrier Grade NAT on Cisco IOS XR Software
Configuring the Policy Functions for the Carrier Grade NAT