Cisco GRS User Manual

PurposeCommand or Action
Configures another NAT instance cgn2 for the CGN application
and enters CGN configuration mode. The NAT instance, cgn2, can
service cgn cgn2
Example:
RP/0/RP0/CPU0:router(config)# service cgn
cgn2
RP/0/RP0/CPU0:router(config-cgn)#
Step 8
access the same address pool created in the first NAT instance, cgn1.
Hence you do not have to specify a different address pool here.
Configures the service type for CGN NAT44 application.service-type nat44 nat2
Example:
RP/0/RP0/CPU0:router(config-cgn)#
service-type nat44 nat1
Step 9
Configures an inside VRF named insidevrf2 and enters CGN inside
VRF configuration mode.
inside-vrf insidevrf2
Example:
RP/0/RP0/CPU0:router(config-cgn-nat44)#
inside-vrf insidevrf2
RP/0/RP0/CPU0:router(config-cgn-invrf)#
Step 10
Configures an inside VRF to an outside VRF and address pool
mapping.
map address-pool address/prefix
Example:
RP/0/RP0/CPU0:router(config-cgn-invrf)# map
address-pool 100.1.0.0/16
Step 11
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 12
•
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.
Cisco IOS XR Carrier Grade NAT Configuration Guide for the Cisco CRS Router, Release 5.2.x
54 OL-32659-01
Implementing Carrier Grade NAT on Cisco IOS XR Software
Configuring the Policy Functions for the Carrier Grade NAT

Cisco GRS Specifications

General

Brand	Cisco
Model	GRS
Category	Network Router
Language	English