Best Data Products DSL502E_EU - Manual (Page 38)

Best Data DSL542 ADSL Ethernet Router User’s Guide
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The NAT Configuration page contains the following elements:
f The NAT Options drop-down list, which provides access to the Global Information page
(shown by default), the NAT Rule Configuration page, and the NAT Translations page,
which shows current translations.
f Enable/Disable radio buttons, which allow you to turn on or off the NAT feature.
f The NAT Global Information table, which displays the following settings that apply to all
NAT rule translations:
Field Description
TCP Idle Timeout (sec) For a NAT translation session on data that
uses the TCP protocol, the translation will
no longer be performed if no matching data
packets are received after the specified
time has elapsed.
TCP Close Wait (sec) For a NAT translation on data using the
TCP protocol, after a communication
session has been closed, the translation
will no longer be performed if no matching
data packets are received after the
specified time has elapsed.
TCP Def Timeout (sec) For a NAT translation session on data that
uses the TCP protocol, the translation will
no longer be performed if no matching data
packets are received after the specified
time has elapsed.
UDP Timeout (sec) Same as TCP Idle Timeout, but for UDP
packets.
ICMP Timeout (sec) Same as TCP Idle Timeout, but for ICMP
packets.
GRE Timeout (sec) Same as TCP Idle Timeout, but for GRE
packets.
Default Nat Age (sec) For all other NAT translation sessions, the
number of seconds after which a
translation session will no longer be valid.
NAPT Port Start/End When a napt rule is defined, the source
ports will be translated to sequential
numbers in this range.
If you change any values, click , and then click the Admin tab and commit your
changes to permanent system memory (see page 17).
You can click to view accumulated data on how many NAT rules have
been invoked and how much data has been translated. A page similar to the one is shown in
Figure displays.