Zhone 2000 ユーザーガイド
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2 0 0 0 - A 2 - G B 2 3 - 0 0
Figure 4.102
NAT Configuration Menu
You may sign on as Supervisor or Network Manager to configure NAT.
Options that display in the NAT Configuration menu depend on your security
level. The menus shown are at the Supervisor security level.
Options that display in the NAT Configuration menu depend on your security
level. The menus shown are at the Supervisor security level.
NOTICE:
You must reset the IAD when you have finished making changes to NAT
configuration for configuration changes to take effect.
configuration for configuration changes to take effect.
The table below lists the default NAT settings.
A significant advantage of NAT is that you can configure it without changing
hosts or routers, other than those few routers on which NAT is configured.
NAT multiplexes internal network traffic and presents it to the Internet as if it
is from a single source with one IP address.
hosts or routers, other than those few routers on which NAT is configured.
NAT multiplexes internal network traffic and presents it to the Internet as if it
is from a single source with one IP address.
Enable/Disable NAT Translation by Port
Each IAD is configured with NAT disabled. To enable NAT translation,
follow the steps below.
follow the steps below.
1
Type “P” on the NAT Configuration menu. If at least one virtual circuit on
the WAN exists and the LAN port is also configured with an IP address, or
more than one PVC/DLCI exists, the IAD displays the interfaces (sample
Parameter
Range
Default
NAT Translation by Port
Enabled | Disabled
Disabled
NAT TCP Timeout
60 to 3600 seconds
300 seconds
NAT UDP Timeout
60 to 3600 seconds
120 seconds
NAT port range
− low end
5000 to 65534
5000
NAT port range
− high end
50000 to 65535
65535