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36
typically provide primary and secondary DNS addresses, and may
provide additional addresses.
I.
Configuration page
Figure 4-15
DNS configuration
II.
Save
z
Click the
Submit
button to save the settings in the RAM.
z
To save these configuration changes permanently, enter
the
Save & Reboot
page, select
Save
and click
Submit
button to save new settings.
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37
4.8
IP Route Table Configuration
Click the
IP Route
of
Other Setting
in the Wizard Column to set
the IP Route Table.
IP Routes are used to define gateways and hops used to route
data traffic. Most users will not need to use this feature as the
previously configured default gateway and LAN IP settings on your
host computers should be sufficient.
You may need to define routes if your LAN includes two or more
networks or subnets, if you connect to two or more ISP services, or if
you connect to a remote corporate LAN. Use the IP Route Table to
add new IP routes.
I.
Configuration page
Figure 4-16
IP Route Table
II.
Parameter explanation
z
Destination:
Specifying the IP address of the destination
computer. The destination can specify the IP address of a
specific computer or an entire network. It can also be
specified as all zeros to indicate that this route should be
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38
used for all destinations for which no other routes are
defined (this is the route that creates the default gateway).
z
Netmask:
Indicating which parts of the destination address
refer to the network and which parts refer to a computer on
the network. The default gateway uses a netmask of
0.0.0.0.
z
Next Hop:
Specifying the
next
IP address to send data to
when its final destination is that shown in the destination
column.
z
IF Name:
Displaying the name of the interface through
which to data is forwarded to the specified next hop.
z
Route Type:
Displaying whether the route is direct or
indirect. In a direct route, the source and destination
computers are on the same network, and the MT800
attempts to directly deliver the data to the computer. In an
indirect route, the source and destination computers are on
different networks, and the MT800 forwards data to a
device on another network for further handling.
z
Route Origin:
Displaying the origin of the route. Dynamic
indicates the route automatically produced by the device
interface address. Routes you create are labeled
Local.
Other routes learned from route protocol are labeled the
name of the corresponding route protocol (for example,
origin of the route learned from RIP is labeled RIP).
III.
Save
z
Click the
Submit
button to save the settings in the RAM.
z
To save these configuration changes permanently, enter
the
Save & Reboot
page, select
Save
and click
Submit
button to save new settings.
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39
4.9
NAT Configuration
Network Address Translation (NAT) is a method for disguising
the private IP addresses on your LAN as the public IP address on the
Internet. You define NAT rules that specify exactly how and when to
translate between public and private IP addresses.
Click the
NAT
of
Other Setting
in the Wizard Column to set the
NAT. NAT is enabled by default. You can enable or disable NAT by
selecting the
Enable
or
Disable
option in the configuration page and
submitting the settings.
I.
Configuration page
Figure 4-17
NAT configuration
To configure NAT Rules, click the
Add
button. A new window is
displayed. From the
Rule Flavor
drop-down list, select
NAPT
,
DMZ
,
and
REDIRECT
. The page redisplays with only the fields that are
appropriate for the chosen NAT flavor as Figure 4-18, Figure 4-19
and Figure 4-20.
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40
Figure 4-18
Add NAPT rule
Figure 4-19
Add DMZ rule

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