PurposeCommand or Action
Configures the rtsp ALG on the NAT44 instance for server port 5000.
The range is from 1 to 65535. The default port is 554.
alg rtsp [server-port] value
Example:
RP/0/RP0/CPU0:router(config-cgn-nat44)#
alg rtsp server-port 5000
Step 4
The option of specifying a server port) is currently not
supported. Even if you configure some port, RTSP works only
on the default port (554).
Caution
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.
◦
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.
Configuring the PPTP ALG for a NAT44 Instance
SUMMARY STEPS
1.
configure
2.
service cgn instance-name
3.
service-type nat44 nat1
4.
alg pptpAlg
5.
end or commit
Cisco IOS XR Carrier Grade NAT Configuration Guide for the Cisco CRS Router, Release 5.2.x
OL-32659-01 39
Implementing Carrier Grade NAT on Cisco IOS XR Software
Configuring the Policy Functions for the Carrier Grade NAT