RAD Data comm Modular Access Device with Integrated Router Manual Do Utilizador
FCD-IPM Installation and Operation Manual
Chapter 4 Configuration
Security Setup Menu
4-19
IP Address Translation permits some, or all, PCs on your private LAN to be
represented with legal IP Addresses that are defined on the internet/Intranet (refer
to
represented with legal IP Addresses that are defined on the internet/Intranet (refer
to
FCD-IPM supports the IP Address Translation types listed in
Table 4-7. IP Address Translation (NAT) Settings
Parameters Description
Static Single
A PC with its Virtual Address specified will have access to the Internet/Intranet with a legal,
real IP Address. Bidirectional one-to-one access is allowed.
Static Range
PCs with their Virtual Addresses within the specified range will have access to the
Internet/Intranet with a legal, real IP Address range. Bidirectional N-to-N access is allowed.
Internet/Intranet with a legal, real IP Address range. Bidirectional N-to-N access is allowed.
Concurrent
A number of PCs (n) with their Virtual Addresses within the specified range will have access,
but only some of them (m) can work simultaneously (m<n). The application must be started
but only some of them (m) can work simultaneously (m<n). The application must be started
from the private LAN.
Transparent
Address translation is not performed for a specified range of IP Addresses. This setup may be
used for the application shown in
used for the application shown in
PAT (Port
Address
Translation)
Address
Translation)
FCD-IPM connects a UDP or TCP port to a specified IP address. PAT is available for single IP
only.
Single IP
The whole Private LAN is represented as a single legal IP Address on Internet/Intranet.
Servers with Legal IP Addresses
for Outgoing Services
Pubic Internet/
Intranet
FCD-IPM
...
PC#1
PC#2
PC#n
Figure 4-13. IP Address Transparent
For Static and Concurrent Address Translation, all PCs on your LAN with IP
Addresses not covered by the listed definitions will not obtain access to the
Internet/Intranet.
You may enter more than one entry of each type.
Each definition in a list may be Enabled or Disabled separately.
Addresses not covered by the listed definitions will not obtain access to the
Internet/Intranet.
You may enter more than one entry of each type.
Each definition in a list may be Enabled or Disabled separately.
Note