ZyXEL Communications UAG5100 User Manual page 346

Table 156 Configuration > VPN > IPSec VPN > VPN Connection > Add/Edit (continued)
LABEL DESCRIPTION
Destination Select the address object that represents the original destination address (or select
Create new Object to configure a new one). This is the address object for the
remote network.
SNAT Select the address object that represents the translated source address (or select
Create new Object to configure a new one). This is the address object for the local
network. The size of the original source address range (Source) must be equal to the
size of the translated source address range (SNAT).
Inbound Traffic
Source NAT This translation hides the source address of computers in the remote network.
Source Select the address object that represents the original source address (or select
Create new Object to configure a new one). This is the address object for the
remote network. The size of the original source address range (Source) must be
equal to the size of the translated source address range (SNAT).
Destination Select the address object that represents the original destination address (or select
Create new Object to configure a new one). This is the address object for the local
network.
SNAT Select the address object that represents the translated source address (or select
Create new Object to configure a new one). This is the address that hides the
original source address. The size of the original source address range (Source) must
be equal to the size of the translated source address range (SNAT).
Destination NAT This translation forwards packets (for example, mail) from the remote network to a
specific computer (for example, the mail server) in the local network.
Add Click this to create a new entry. Select an entry and click Add to create a new entry
after the selected entry.
Edit Select an entry and click this to be able to modify it.
Remove Select an entry and click this to delete it.
Move To change an entry's position in the numbered list, select it and click Move to display
a field to type a number for where you want to put that entry and press [ENTER] to
move the entry to the number that you typed.
# This field is a sequential value, and it is not associated with a specific NAT record.
However, the order of records is the sequence in which conditions are checked and
executed.
Original IP Select the address object that represents the original destination address. This is the
address object for the remote network.
Mapped IP Select the address object that represents the desired destination address. For
example, this is the address object for the mail server.
Protocol Select the protocol required to use this translation. Choices are: TCP, UDP, or All.
Original Port Start These fields are available if the protocol is TCP or UDP. Enter the original destination
/ Original Port End
port or range of original destination ports. The size of the original port range must be
the same size as the size of the mapped port range.
Mapped Port Start These fields are available if the protocol is TCP or UDP. Enter the translated
/ Mapped Port End
destination port or range of translated destination ports. The size of the original port
range must be the same size as the size of the mapped port range.
OK Click OK to save the changes.
Cancel Click Cancel to discard all changes and return to the main VPN screen.
Chapter 30 IPSec VPN
UAG Series User's Guide
346