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Implementing Carrier Grade NAT on Cisco IOS XR Software
Command or Action
Step 4
protocol icmp
Example:
RP/0/RP0/CPU0:router(config-cgn-nat44)#
protocol icmp
RP/0/RP0/CPU0:router(config-cgn-proto)#
Step 5
timeoutseconds
Example:
RP/0/RP0/CPU0:router(config-cgn-proto)#
timeout 908
Step 6
end or commit
Example:
RP/0/RP0/CPU0:router(config-cgn-proto)#
end
or
RP/0/RP0/CPU0:router(config-cgn-proto)#
commit
Configuring the Timeout Value for the TCP Session
Perform this task to configure the timeout value for either the active or initial sessions for TCP.
OL-32659-01
Purpose
Configures the ICMP protocol session. The example shows how to
configure the ICMP protocol for the CGN instance named cgn1.
Configures the timeout value as 908 for the ICMP session for the CGN
instance named cgn1.
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
◦ Entering no exits the configuration session and returns the
◦ Entering cancel leaves the router in the current configuration
• 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
Configuring the Policy Functions for the Carrier Grade NAT
configuration file, exits the configuration session, and returns
the router to EXEC mode.
router to EXEC mode without committing the configuration
changes.
session without exiting or committing the configuration
changes.
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