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P-334U/P-335U User’s Guide
122 Chapter 9 Network Address Translation (NAT)
Figure 76 NAT Advanced
The following table describes the labels in this screen.
Table 43 NAT Advanced
LABEL DESCRIPTION
Max NAT/Firewall
Session Per User
Type a number ranging from 1 to 2048 to limit the number of NAT/firewall sessions
that a host can create.
When computers use peer to peer applications, such as file sharing
applications, they may use a large number of NAT sessions.
If you do not
limit the number of NAT sessions a single client can establish, this can result in all
of the available NAT sessions being used. In this case, no additional NAT sessions
can be established, and users may not be able to access the Internet.
Each NAT session establishes a corresponding firewall session. Use this field to
limit the number of NAT/firewall sessions each client computer can establish
through the ZyXEL Device.
If your network has a small number of clients using peer to peer applications, you
can raise this number to ensure that their performance is not degraded by the
number of NAT sessions they can establish. If your network has a large number of
users using peer to peer applications, you can lower this number to ensure no
single client is using all of the available NAT sessions.
# This is the rule index number (read-only).
Name Type a unique name (up to 15 characters) for identification purposes. All
characters are permitted - including spaces.