Nat - Paradyne Hotwire 6321/6322 IDSL Router User Manual

Command Line Interface

NAT

nat { basic | napt } address ip-addr
Defines the public IP addresses used in the one-to-one mapping function of Basic NAT
or the public IP address of a single host for use in the many to one mapping function of
NAPT. NAPT cannot accept incoming requests, unless a static NAT entry has been
configured.
Minimum access level: Administrator/Config
ip-addr – For Basic NAT, ip-addr is the IP address of a Class C network. For NAPT,
ip-addr is any valid public IP address.
Example: nat napt address 10.1.3.2
nat napt map { udp | tcp } server-ip port
Specifies 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.
Minimum access level: Administrator/Config
udp, tcp – Specify the protocol to be used.
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.
Example: nat napt map tcp 192.128.1.1 102
nat timeout time
Specifies the NAT timeout values for mapping set up dynamically.
Minimum access level: Administrator/Config
time – The timeout value in minutes. Default = 60 minutes.
Example: nat timeout 90
nat basic map public-ip private-ip
nat basic map lower-public-ip lower-private-ip upper-private-ip
Statically maps public to private IP addresses for the one-to-one mapping function of
Basic NAT. In the first command, a single address pair is mapped. In the second
command, a range of IP addresses will be contiguously mapped starting at the pair
defined by the lower-public-ip and lower-private-ip argument.
Minimum access level: Administrator/Config
public-ip – IP address of the public address space which is to be mapped to the IP
address of a local host.
private-ip – IP address of a local host which is to be mapped to an IP address in the
public IP address space.
lower-public-ip – Lowermost IP address of a range of public addresses which are to be
mapped to a range of IP addresses of local hosts.
lower-private-ip – Lowermost IP address of a range of local host IP addresses which
are to be mapped to a range of IP addresses in the public IP address space.
upper-private-ip – Uppermost IP address of a range of local IP addresses which are to
be mapped to a range of IP addresses of local hosts.
Example: nat basic map
192.128.1.1 10.1.3.2
A-7
6371-A2-GB20-00 March 2000