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Figure 4-20
Add REDIRECT rule
II.
Parameter explanation
The explanation of parameters in the above windows is as
below.
NAT Configuration:
z
Rule ID:
The Rule ID determines the order in which rules
are invoked (the lowest numbered rule is invoked first, and
so on). In some cases, two or more rules may be defined to
act on the same set of IP addresses. Be sure to assign the
Rule ID so that the higher priority rules are invoked before
lower-priority rules. It is recommended that you select rule
IDs as multiples of 5 or 10 so that, in the future, you can
insert a rule between two existing rules.
z
IF Name:
Displays the name of the interface.
z
Rule Flavor:
There are three rules you can select:
REDIRECT, DMZ, and NAPT.
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42
z
Protocol:
This selection specifies which type of Internet
communication will be subject to this translation rule. You
can select TCP or UDP.
z
Local IP From:
Type the starting IP of the range of private
address you want to be translated. You can specify that
data from all LAN addresses should be translated by typing
0 (zero) in each From field and 255 in each To field. Or,
type the same address in both fields if the rule only applies
to one LAN computer.
z
Local IP To:
Type the ending IP of the range of private
address you want to be translated.
z
Action:
Check or delete the rule.
Add NAPT Rule:
z
Local IP From:
Type the starting IP of the range of private
address you want to be translated. You can specify that
data from all LAN addresses should be translated by typing
0 (zero) in each From field and 255 in each To field. Or,
type the same address in both fields if the rule only applies
to one LAN computer.
z
Local IP To:
Type the ending IP of the range of private
address you want to be translated.
Add DMZ Rule:
z
Local IP:
Type the private IP address you want to be
translated.
Add REDIRECT Rule:
z
Protocol:
This selection specifies which type of Internet
communication will be subject to this translation rule. You
can select TCP or UDP.
z
Local IP:
Type the private IP address you want to be
translated.
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43
z
Destination Port From:
Enter the starting port ID (or a
range) that you expect to see on incoming packets
destined for the LAN computer for which this rule is being
created. With the ending port ID (or a range) specified in
the next field, incoming traffic that meets these criteria will
be redirected to the Local Port number you specified.
z
Destination Port To:
Enter the ending port ID (or a range).
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.
4.10
ATM Traffic
ATM traffic is the traffic at asynchronous transfer mode.
Click the
ATM Traffic
of
Other Setting
in the Wizard Column to
configure the ATM traffic description.
I.
Configuration page
Figure 4-21
ATM traffic
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44
II.
Parameters explanation
z
Traffic Id:
The ID number of ATM traffic.
z
Type:
The traffic type of created ATM.
z
Service Category:
The service category of created ATM.
z
Creator:
The creator’s name.
z
Action(s):
Click icon
to delete an existed ATM from
table; Click icon
to view the parameters of an existed
DHCP server.
z
Add:
Click on
Add
to add a new traffic id.
z
Refresh:
Click on
Refresh
to view the latest changes of
configuration.
4.11
RIP Configuration
RIP is an Internet protocol. You can set up to share routing table
information with other routing devices on your LAN, at your ISP's
location, or on remote networks connected to your network via the
ADSL line.
Click the
RIP
of
Advanced Function
in the Wizard Column to
set the RIP.
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45
I.
Configuration page
Figure 4-22
RIP configuration
II.
Change RIP configuration:
1)
If necessary, change the
Age
and
Update Time
. These
are global settings for all interfaces that use RIP.
z
Age
is the amount of time in seconds that the device's RIP
table will retain each route that it learns from adjacent
computers.
z
Update Time
specifies how frequently the MT800 will send
out its routing table to its neighbors.
2)
In the
IF Name
column, select the name of the interface on
which you want to enable RIP.
3)
Select a
Metric
value for the interface. RIP uses a "hop
count" as a way to determine the best path to a given
destination in the network. The hop count is the sum of the
metric values assigned to each port through which data is
passed before reaching the destination. Among several

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