ZyXEL Communications P-2601HN(L)-F1 Series, Руководство пользователя

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Chapter 11 Network Address Translation (NAT)
P-2601HN(L)-F1 Series User’s Guide
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11.3 The Sessions Screen
Use the Sessions screen to limit the number of concurrent NAT sessions each
client can use.
Click Network Setting > NAT > Sessions to display the following screen.
Figure 68 Network Setting > NAT > Sessions
WAN Interface Select the WAN interface through which the service is forwarded.
You must have already configured a WAN connection with NAT enabled.
Start Port Enter the original destination port for the packets.
To forward only one port, enter the port number again in the External
End Port field.
To forward a series of ports, enter the start port number here and the
end port number in the External End Port field.
End Port Enter the last port of the original destination port range.
To forward only one port, enter the port number in the External Start
Port field above and then enter it again in this field.
To forward a series of ports, enter the last port number in a series that
begins with the port number in the External Start Port field above.
Translation
Start Port This shows the port number to which you want the ZyXEL Device to
translate the incoming port. For a range of ports, enter the first number
of the range to which you want the incoming ports translated.
Translation End
Port This shows the last port of the translated port range.
Server IP
Address Enter the inside IP address of the virtual server here.
Protocol Type Select the protocol supported by this virtual server. Choices are TCP,
UDP, or TCP/UDP.
Apply Click Apply to save your changes.
Back Click Back to return to the previous screen without saving.
Table 36 Port Forwarding: Add/Edit (continued)
LABEL DESCRIPTION