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Home Network Tab
31
•
Wireless Mode.
Allows you to force the gateway to use 802.11b/g, 802.11b-only, or 802.11g-only
modes of operation.
Note:
This field displays only for 802.11b/g based models.
•
DTIM Period (seconds).
Determines at which interval the access point will send its broadcast traffic.
The default value is 4 seconds.
•
Maximum Connection Rate.
The maximum rate at which your wireless connection works (1, 2, 5.5, 11,
or 22 Mbps for 802.11b-based models; 1, 2, 5.5, 11, 6, 9, 12, 24, 36, 48, or 54 Mbps for 802.11b/
g-based models).
•
Power Setting.
Allows you to select the power level for your wireless connection. The default list is 1 to
4; additional options may appear based on the service provider’s configuration.
If you have customized your wireless system configuration, you can restore the wireless settings to factory
defaults by clicking the
RESTORE DEFAULTS
button.
Configuring Advanced Settings
The Edit Advanced Home Network Settings page displays the current IP settings in use by your system for
your home network, and allows you to configure your home network settings. You should adjust these
settings
ONLY
if you are very familiar with computer networking technologies.
The Current Settings panel shows the following information:
•
Router Address.
The IP address used by your system on the private home network (the default is
192.168.1.254). The system has two IP addresses: a private address that it uses on the home
network, and one that is used on the public broadband connection on the Internet. You can change the
home network IP address by changing the home network IP address range.
•
Subnet Mask.
The subnet mask is determined by the home network IP address range settings (the
default is 255.255.255.0).
•
DHCP Range.
The range of IP addresses used by your system (the default is 192.168.1.64 through
192.168.1.253). IP addresses can be either static (permanently assigned) or dynamic (automatic and
temporary).
Setting up a Private Network
By default, the 2Wire gateway uses the 192.168.1.0/255.255.0.0 IP address range. You can select from
two additional IP address ranges, or configure the network settings manually. You should manually configure
these settings
ONLY
if you thoroughly understand IP internetworking, because an incorrect configuration can
cause unpredictable results.
To set up a private network:
•
Open a Web browser and access the 2Wire gateway user interface by entering
•
Click the
Home Network
tab.
Page 37 / 138
Home Network Tab
32
•
Click the Advanced Settings
link under the tab to open the Edit Advanced Home Network Settings page.
Figure 14. Advanced Home Network Settings Page
Page 38 / 138
Home Network Tab
33
1.
Click the radio button that corresponds to the IP address range you wish to use.
If you select the 172.16.0.0 / 255.255.0.0 or 10.0.0.0 / 255.255.0.0 range, continue to step 5. If
you select
Configure manually
, continue to step 2.
2.
In the Router Address field, enter the IP address used by your system on the private home network.
3.
In the Subnet Mask field, enter the subnet mask. The subnet mask is determined by the home network
IP address range settings.
4.
Click the Enable DHCP checkbox.
a.
In the First DHCP Address field, enter the first DHCP address that you’ll be distributing over the
private network.
b.
In the Last DHCP Address field, enter the last DHCP address that you’ll be distributing over the
private network.
c.
In the Set DHCP Lease Time field, enter a value for the number of hours before the DHCP lease
expires.
5.
Click
SAVE
.
Setting Up a Public Routed Subinterface
The Public Routed Subinterface pane allows you to create a local network that has broadband network-
accessible IP addresses by creating a route from the Internet to the specified public network. The public
network operates without Network Address Translation (NAT). This feature is typically used in conjunction
with broadband service that provides a range of available IP addresses. Once enabled, the public IP
addresses can be assigned to local computers.
To set up a Public Routed Subinterface network:
1.
Check the
Enable
checkbox.
2.
In the Router Address field, enter the router address (this is typically provided by your service provider).
3.
In the Subnet Mask field, enter the subnet mask (this is typically provided by your service provider).
4.
(Optional) To open all firewall ports, check the
Auto Firewall Open
checkbox. (By default, your firewall
protection is enabled.)
5.
Click
SAVE
.
Note:
If you change the home network IP address range, you must renew the DHCP lease on
all devices on your home network and manually reconfigure all devices configured with static IP
addresses. If you are using the 2Wire Network Support Tool, you can renew the DHCP lease by
selecting “Refresh Network Connection” in the Network Support Tool menu.
Page 39 / 138
Home Network Tab
34
Setting Up a Public Proxied Subnet
The Public Proxied Subnet pane allows you to create a local network that has broadband-accessible IP
addresses. Public Proxied Subnet is a public network in which the local network is an extension of the
broadband network and does not require any special routing. Computers that are assigned Public Proxied
Subnet IP addresses operate without Network Address Translation (NAT). This feature is typically used in
conjunction with broadband service that provides a range of IP addresses. Once enabled, the Public Proxied
Subnet IP addresses can be assigned to local computers.
To set up a public proxied subnet:
1.
Check the
Enable
checkbox.
2.
In the Subnet Mask field, enter the subnet mask (this is typically provided by your service provider, and
defines how large your IP pool is).
3.
(Optional) To open all firewall ports, check the
Auto Firewall Open
checkbox. (By default, your firewall
protection is enabled.)
4.
Click
SAVE
.
Selecting a Default DHCP Pool
By default, all devices on the home network that use dynamic (non-static) IP addresses receive these from
the Private Network DHCP pool. When either Public Routed Subinterface or Public Proxied Subnet is
enabled, click the
Default DHCP Pool
radio button in the corresponding section to have devices receive their
IP addresses from those pools.
Showing a Device as Inactive
To show a device as Inactive:
1.
Open a Web browser and access the 2Wire gateway user interface.
2.
Click the
Home Network
tab.
3.
Click the Advanced Settings
link under the tab.
4.
In the Settings pane, select the
Show inactive devices in network list
checkbox.
5.
Click
SAVE
.
Page 40 / 138
35
Firewall Tab
This chapter describes the 2Wire gateway firewall features, and provides detailed instructions on how to
modify the firewall settings.
Firewall Features
The 2Wire gateway has a professional-grade firewall to help prevent unauthorized users from accessing
your local network. The 2Wire gateway firewall includes the following features:
Stateful packet inspection.
Blocks common Denial of Service attacks (such as SYN/FIN flooding or Smurf),
and detects and logs TCP and UDP port scans.
Stateless packet inspection.
Filters specific NetBios traffic, suspicious packets and IP fragments; blocks
packets sent from the private network to the Internet that have spoofed IP addresses.
Network Address Translation (NAT).
Translates a local network’s IP address to an external address
maintained by the 2Wire gateway, effectively “hiding” the existence of a home network to the Internet. The
2Wire gateway then uses this external address to communicate with the Internet on behalf of devices
connected to the local network.
Port Address Translation (PAT).
A function provided by some routers which allows hosts on a LAN to
communicate with the rest of a network (such as the Internet) without revealing their own private IP
address. All outbound packets have their IP address translated to the router’s external IP address. Replies
come back to the router, which then translates them back into the private IP address of the original host for
final delivery. During PAT, each computer on the LAN is translated to the same IP address, but with a
different port number assignment.
Inbound and outbound port blocking.
Blocks common inbound and outbound protocol types from passing
information to or receiving information from the Internet.

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