A. Command Line Interface
A-12 November 2003 6300-A2-GB20-10
nat napt purge
Minimum Access Level: Administrator
Command Mode: Config
Deletes all many-to-one NAPT mapping entries.
nat timeout [time]
Minimum Access Level: Administrator
Command Mode: Config
Specifies the NAT timeout value for mappings set up dynamically. If no time is specified,
the timeout value is reset to the default setting.
Example: nat timeout 90
time – Specifies the amount of inactive time, in minutes, that can elapse before the
network address translator times out. The default is 20 minutes.
nat napt map {udp | tcp} server-ip port
Minimum Access Level: Administrator
Command Mode: Config
Permits global access to a local server, such as a Web server. Port-based static entries
can be configured for NAPT. This allows a global host to access a server behind the DSL
router without exposing the local server’s IP address.
A maximum of 64 static mappings can be created.
Example: nat napt map tcp 192.128.1.1 102
udp, tcp – Specify the protocol used, User Datagram Protocol or Transmission Control
Protocol.
server-ip – Enter the IP address of a local server. Only one server of a particular type
(FTP, Telnet, SMPT, TFTP, gopher, finger, http, etc.) can be supported at one time.
port – The destination port number for the specified server.