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Step 7
Enter the MAIN/CONF/NAT to set the NAT/PAT parameters. Refer to
Sections 7.3 and 7.4 to configure these parameters.
Note: Reserved private IP address range:
Class A: 10.0.0.0 to 10.255.255.255
Class B: 172.16.0.0 to 172.31.255.255
Class C: 192.168.0.0 to 192.168.255.255
7.3
PAT Virtual Server
If you want to set up Internet servers in the virtual LAN when PAT is enabled in
Section 7.2, you should register the servers with the CT-510 first to allow
Internet users to access the service via the ATM interface of CT-510. This
section describes how to configure a virtual server.
7.3.1
Add Virtual Server Entry
Step 1
Enter the
MAIN/CONF/NAT/SERVER/ADD
menu.
Step 2
Enter a parameter in each field.
Protocol
: TCP or UDP (factory default: TCP)
Interface
: LAN, ANY and ATM1 to ATM16. The factory default
is ANY. Specify the interface via which the server provides
service. If
ANY
is selected, any of the interfaces can access
the service.
Service Name:
used by the operator to recognize the service
that the virtual server provides. The operator can define the
service name as Web, e-mail, ftp and so on
.
Service Port Number:
related to the service port, e.g.,
well-known port of Web server 80, ftp server 21, and smtp 25.
Private IP Address
: to define the private IP address of the
virtual server
Private Port Number:
to
specify the
actual port of the server
in the virtual LAN. The administrator can set it to the same
number as the service port.
Step 3
Hold down the Ctrl-S keys to save the parameters.