ZyXEL Communications LTE3301 Series, Руководство пользователя

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Chapter 10 NAT
LTE3301 Series User’s Guide
91
Fig ure 57
Network > NAT > Port Forwarding Edit
The following table describes the labels in this screen.
10.4 Po rt Trig g e r Sc re e n
To change your LTE3301’s trigger port settings, click
Ne two rk > NAT > Po rt Trig g e r
. The screen appears as
shown.
Note: Only one LAN computer can use a trigger port (range) at a time.
Table 38 Network > NAT > Port Forwarding Edit
LABEL DESC RIPTIO N
Port Forwarding Select
Ena b le
to turn on this rule and the requested service can be forwarded to the host with
a specified internal IP address.
Select
Disa b le
to disallow forwarding of these ports to an inside server without having to delete
the entry.
Service Name Select
Use r de fine
and type a name (of up to 31 printable characters) to identify this rule in the
first field next to
Se rvic e Na m e
. Otherwise, select a predefined service in the second field next
to
Se rvic e Na m e
. The predefined service name and port number(s) will display in the
Se rvic e
Na m e
and
Po rt Ra ng e
fields.
Service Protocol Select the transport layer protocol supported by this virtual server. Choices are
TC P
,
UDP
, or
TC P_UDP
.
If you have chosen a pre-defined service in the
Se rvic e Na m e
field, the protocol will be
configured automatically.
WAN Interface Select the WAN interface on which the matched packets are received.
Port Range Type a port number(s) to define the service to be forwarded to the specified server.
To specify a range of ports, enter the first number and the last number of the range.
Translation Port
Range Enter a port number to which you want the incoming ports translated.
For a range of ports, enter the first number and the last number of the range.
Server IP Address Type the IP address of the server on your LAN that receives packets from the port(s) specified in
the
Po rt Ra ng e
field.
Back Click
Ba c k
to return to the previous screen.
Apply Click
A p p ly
to save your changes back to the LTE3301.
Cancel Click
C a nc e l
to begin configuring this screen afresh.