User's Manual

NEOBIT 1014VA ADSL Router User’s Guide Chapter8
 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.
 Enable/Disable radio buttons, which allow you to turn on or
off the NAT feature.
 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 an 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 40).
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 shown in Figure 27
displays.