Planet GRT-101 User Manual page 138

8
9
10
You can delete fixed NAT mapping entry from 1 to 10 by using delete command.
You can view the fixed NAT mapping entry via list command.
10.16.8.2 PAT
Port Address Translation (PAT) is a feature of a device that translates TCP or UDP
communications made between hosts on a private network and hosts on a public network. It
allows a single public IP address to be used by many hosts on the private network, which is
usually called a Local Area Network or LAN.
A PAT device transparently modifies IP packets as they pass through it. The modifications
make all the packets which it sends to the public network from the multiple hosts on the private
network appear to originate from a single host - the PAT device - on the public network.
In PAT, both the sender's private IP and port number are modified; the PAT device chooses
the port numbers which will be seen by hosts on the public network.
In PAT, generally there is only one publicly exposed IP address and incoming packets from the
public network are routed to their destinations on the private network by reference to a table
held within the PAT device which keeps track of public and private port pairs. This is often
called connection tracking.
To configure Port Address Translation, move the cursor ">>" to pat and press enter.
>> clear
modify
list
You can delete virtual server mapping entry, from 1 to 10, by using clear command.
You can create up to 10 virtual server mapping entry via modify command.
----------------------------------------------------------------------
Command: setup ip_share pat modify <1~10> <more...>
Message: Please input the following information.
Virtual server entry number <1~10>: 1
----------------------------------------------------------------------
After keying in enter, the screen will prompt as follows:.
>> interface
port
server
protocol
name
begin
end
Clear virtual server mapping
Modify virtual server mapping
Show virtual server mapping pool
Active interface
TCP/UDP port number
Host IP address and port number
Transport protocol
Service name
The schedule of beginning time
The schedule of ending time
GRT-101/401/402 User's Manual
138 - -
G.SHDSL Bridge/Router