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Implementing Carrier Grade NAT on Cisco IOS XR Software
SUMMARY STEPS
1. configure
2. service cgn instance-name
3. service-type nat44 nat1
4. pcp-server
5. port port-number
6. end or commit
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Step 2
service cgn instance-name
Example:
RP/0/RP0/CPU0:router(config)# service cgn
cgn1
RP/0/RP0/CPU0:router(config-cgn)#
Step 3
service-type nat44 nat1
Example:
RP/0/RP0/CPU0:router(config-cgn)#
service-type nat44 nat1
Step 4
pcp-server
Example:
RP/0/RP0/CPU0:router(config-cgn-invrf)#
pcp-serevr
RP/0/RP0/CPU0:router(config-cgn-invrf)#
Step 5
port port-number
Example:
RP/0/RP0/CPU0:router(config-cgn-invrf)#
port 66
Step 6
end or commit
Example:
RP/0/RP0/CPU0:router(config-cgn-invrf)#
end
or
RP/0/RP0/CPU0:router(config-cgn-invrf)#
commit
OL-32659-01
Purpose
Enters global configuration mode.
Configures the instance named cgn1 for the CGN application and
enters CGN configuration mode.
Configures the service type keyword definition for CGN NAT44
application.
Configures the PCP server for a NAT44 instance.
Configures the port number of the PCP server. The range is from 1 to
65535. The default port is 5351.
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]:
Cisco IOS XR Carrier Grade NAT Configuration Guide for the Cisco CRS Router, Release 5.2.x
Configuring PCP Server for DS-Lite Instance
83
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