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Using the Ethernet
Configuration Settings
Do I need to change my Ethernet settings?
The
Ethernet Configuration
page contains information about the
Ethernet ports on your ADSL modem. Typically you should not
need to change these settings. However, if you are having problems
establishing your Ethernet connection, you may need to change the
Speed/Duplex
value to match that of the Ethernet NIC in your
computer. Here is a picture of the
Ethernet Configuration
page:
The following table describes the Ethernet Configuration settings.
If you change any of the settings, click
Save Change
s, and then
Write Settings to Flash
.
Setting
Description
Port
The Ethernet Ports 1-4 on the back of your
modem.
Configuration
Shows how your Ethernet ports are set up.
ADSL X6 User Guide
56
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Chapter 5: Using Advanced Setup
57
Setting
Description
Linked
A check mark indicates that the Ethernet
port is connected.
Speed/Duplex
If you are having problems establishing
your Ethernet connection, try setting the
Speed/Duplex value to match that of the
Ethernet NIC in your computer.
Setting Up a Static Routing
Table
Do I need static routing?
Most users do not need to set up static routes. The default route
used in your modem will forward all packets correctly. However, if
you set up your network with different subnets, you can use static
routing to ensure your packets are handled correctly.
You can manually create a static route to tell the modem how to
reach a specific IP network. The route entry specifies a destination
network (or single host), together with a mask to indicate what
range of addresses the network covers, and a next-hop gateway
address or interface. If there is a choice of routes for a destination,
the route with the most specific mask is chosen.
To route to a destination that is not on any local network, a route
may be added via a gateway, for instance another router. The
gateway IP address must be on the same subnet as one of the
router's interfaces. Here is a picture of the
Static Routes
page:
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The following table describes Routing Table settings. If you change
any of the settings, click
Add
, and then
Write Settings to Flash
.
Setting
Description
Existing Routes
This table shows the existing Static routes
set up on your ADSL Modem.
Destination
Enter the
subnet IP address
of the
destination.
Gateway
Enter the
Gateway IP address
of your
destination’s subnet. The HOP gateway
must be on the same subnet as the
modem.
Mask
Enter the
subnet mask
(range of IP
addresses) of the destination IP addresses
based on the above subnet IP address of
the destination.
Metric
The number of hops.
This should usually
be left at 1
.
Advertise
Enable this if you want to advertise this
route.
ADSL X6 User Guide
58
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Adding Extra Security with
Advanced Firewall Filtering
Do I need extra security?
Setting up advanced firewall security provides an additional layer of
security. For example, if you create a DMZ interface for gaming
using the
Virtual Server/DMZ
page, you can enable the firewall
filtering and add a security policy that blocks IP addresses, ports,
aliases, and certain protocols from reaching the DMZ machine.
When you use the
Advanced Firewall Filtering
feature, you will
move through multiple screens. Follow the steps below to set up
this feature.
1
Open the
Firewall Configuration
page by clicking
Firewall
on the
Advanced Setup
page:
Chapter 5: Using Advanced Setup
59
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2
Important!
Do not
Enable Advanced Firewall Filtering
on
the
Firewall Configuration
page until you create your security
policy. Otherwise, if you
Enable Firewall Filtering
before
you create your policy, you will block all outgoing and
incoming traffic. To set up your policy, click the link to
Security Policy Configuration
and open the page.
3
Choose the
Policy Type
that you want then click the
Policy
Rules
link. You can set one of three
Policy Types
. Choose
the
External – Internal
policy to allow or block what is sent
from the WAN to the LAN. Choose the
External –DMZ
policy to allow or block what is sent from the WAN to the
DMZ machine or the Virtual Server. Choose the
DMZ-
Internal
policy to allow or block what is sent from a DMZ
machine to your LAN.
ADSL X6 User Guide
60

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