P100IH ISDN Router
4-18
NAT
Figure 4-19 NAT - Example 3
In this case we need to configure Address Mapping Set 1 from
Menu 15.1 - Address Mapping Sets.
Therefore we must choose the
Full Feature
option from the
Network Address Translation
field in Menu 4
or Menu 11.3 and select an available NAT Server Set, say Server Set 2, that we configure later.
Step 1.
Enter
15
from the Main Menu.
Step 2.
Enter
1
to configure the Address Mapping Sets.
Step 3.
Choose 1 to begin configuring this new set. Enter a
Set Name
, choose the
Edit
Action
and then
select
1
from
Select Rule
field. Press [ENTER] to confirm.
Step 4.
Select
Type=
as
One-to-One
(direct mapping for packets going both ways)
,
and enter the local
Start IP
as 192.168.1.10 (the IP address of FTP Server 1), the global
Start IP
as 10.132.50.1 (our
first IGA). (
See Figure 4-20)
Step 5.
Repeat the previous step for rules 2 to 4 as outlined above.
Step 6.
When finished, Menu 15.1.1 should look like as shown in
Figure 4-21.
The following figure shows how to configure the first rule.