Chapter 12. Configuring Network Address Translation
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Viewing Current NAT Translations
To view a list of NAT translations that have recently been performed
and which remain in effect (for any of the defined rules), select NAT
Translations from the NAT Options drop-down list. The NAT
Translations page displays:
Figure 49. NAT Translations Page
For each current NAT translation session, the table contains the
following fields:
Field Description
Trans Index
The sequential number assigned to the IP session
used by this NAT translation session.
Rule ID
The ID of the NAT rule invoked.
Interface
The device interface on which the NAT rule was
invoked (from the rule definition).
Protocol
The IP protocol used by the data packets that are
undergoing translations (from the rule definition)
Example: TCP, UDP, ICMP.
Alg Type
The Application Level Gateway (ALG), if any, that
was used to enable this NAT translation (ALGs are
special settings that certain applications require in
order to work while NAT is enabled).
NAT Direction
The direction (Inside or Outside) of the translation. A
NAT direction is assigned to each interface; the
Ethernet and USB interfaces are defined as inside,
and the WAN interfaces are defined as outside. The
NAT direction is determined by the interface on
which the rule is invoked.
Entry Age
The elapsed time, in seconds, of the NAT
translation session.
You can click
in the Action column to view additional details
about a NAT translation session: