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Page 91 / 115 Scroll up to view Page 86 - 90
91
to all clients. The re-keying process is the WPA equivalent
of automatically changing the WEP key for an AP and all
stations in a WLAN on a periodic basis.
WEP Encryption
WEP Encryption can be set to WEP 128-bit, 64-bit, or
Disable. Both the wireless clients and the Cable
Modem/Router must use the same WEP key.
Shared Key
Authentication
Select Enable to enable. Shared Key authentication is only
available when WEP is enabled.
802.1x Authentication
(only available when WEP
is enabled)
Select Enable to enable 802.1x authentication. Enable
802.1x Authentication only if you have a RADIUS server.
Most users will leave this as disabled.
Network Key 1-4
You can pre-define up to 4 keys for 64-bit or 128-bit WEP.
64-bit keys require 10 hexadecimal digits and 128-bit key
require 26 hexadecimal digits.
Current Network Key
Select one of the four pre-defined keys as the current
network key.
PassPhase
Enter a word or group of printable characters and click
Generate WEP keys to generate WEP encryption key.
These characters are case sensitive.
Generate WEP Keys
Click to generate 4 WEP keys automatically.
Guest LAN Settings
Select LAN for existing LAN - same as Primary Network - or
GUEST to create a Virtual LAN
.
IP Address
Enter the IP address to be the default Cable
Modem/Router address for clients connected this guest
network.
Subnet Mask
Enter the subnet mask for this guest network.
Lease Pool Start
Enter the start IP address of this DHCP address pool.
Lease Pool End
Enter the end IP address of this DHCP address pool.
Lease Time
Enter the leased time for DHCP clients. DHCP clients will
resend DHCP request before expiration. Maximum value
is 86400 seconds.
UPnP Enable
Select Enabled to enable UPnP on your guest network
Firewall Enable
Enables or Disables the Firewall on your guest network.
DHCPv6 Server
Selecting Enabled allows the DHCP server to assign IPv6
addresses.
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92
Advanced
The Advanced page allows you to configure advanced wireless settings. Most users will
have no need to change these settings.
To access the
Advanced
page:
1
Click
Wireless
in the menu bar.
2
Then click the
Advanced
submenu.
Figure 30 shows an example of the menu and Table 26 describes the items you can
select.
Figure 30. Example of Advanced Page
Page 93 / 115
93
Table 26. Advanced Menu Option
Option
Description
54g
TM
Mode
Auto by default.
XPress
TM
Technology
When Xpress is turned on, aggregate throughput can
improve significantly.
802.11n Protection
The 802.11g standards provide a protection method so
802.11g and 802.11b devices can co-exist in the same
network without “speaking” at the same time. Do not disable
802.11n protection if there is a possibility that 802.11b or
802.11g devices will use your wireless network. In
Auto
mode, the wireless devices use RTS/CTS to improve
802.11n performance in mixed 802.11g/802.11b networks.
Turn protection off to maximize 802.11n throughput under
most conditions.
Short Guard Interval
Provides compatibility with certain devices that do not meet
802.11 specifications.
Basic Rate Set
Select the wireless transmission rate to a particular speed
or leave it as default (Auto) to allow the AP adjusts speed
automatically.
Multicast Rate
Specify the rate at which multicast packets are transmitted
and received on your wireless network. Multicast packets
are used to send a single message to a set of recipients in a
defined group. Teleconferencing, videoconferencing and
group email are some examples of multicast applications.
Specifying a high multicast rate may improve performance
of multicast features. The rates are in Mbps. You can select
Automatic
,
1
,
2
,
5.5
,
6
,
9
,
11
,
12
,
18
,
24
,
36
,
48
and
54
.
NPHY Rate
Set the Physical Layer (NPHY) rate. These rates are only
applicable when the
802.11n mode
is configured as
Automatic
.
Beacon Interval
A beacon is a packet broadcast by the router to synchronize
the wireless network. The default interval is 100 ms.
DTIM Interval
Interval of the Delivery Traffic Indication Message (DTIM). A
DTIM field is a countdown field informing clients of the next
window for listening to broadcast and multicast messages.
When the router has buffered broadcast or multicast for
associated clients, it sends the next DTIM with a DTIM
Interval value. Its clients hear the beacons and awaken to
receive the broadcast and multicast message. The default
value is 1.
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94
Fragmentation Threshold
This value specifies the maximum size for a packet before
data is fragmented into multiple packets. If you experience
a high packet error rate, you may slightly increase the
fragmentation threshold. Setting the fragmentation
threshold too low may result in poor network performance.
Only minor reduction of the default value is recommended.
In most cases, it should remain at its default value of 2346.
RTS Threshold
Using this setting can regulate your wireless network if you
experience any inconsistent data flow. Make only minor
adjustments to the default value of 2347.
Access Control
This page allows you to control which wireless clients can access your wireless network.
It also provides information about wireless clients connected to your access point.
To access the
Access Control
page:
1
Click
Wireless
in the menu bar.
2
Then click the
Access Control
submenu.
Figure 31 shows an example of the menu and Table 27 describes the items you can
select.
Figure 31. Example of Access Control Page
Page 95 / 115
95
Table 27. Access Control Menu Option
Option
Description
Wireless
Interface
Select the wireless interface to configure the access control list.
MAC Restrict
Mode
Select whether wireless clients with the specified MAC address are
allowed or denied wireless access. To allow all clients, select
Disabled.
MAC
Addresses
Shows the list of wireless client MAC addresses to allow or deny
based on the Restrict Mode setting. Valid MAC address formats are
XX:XX:XX:XX:XX:XX and XX-XX-XX-XX-XX-XX.
Connected
Clients
Shows the list of connected wireless clients. When a client connects
(associates) to the network, it is added to the list; when a client
leaves (disassociates) from the network, it is removed from the list.
For each client, the age (in seconds), estimated average receive
signal strength (in dBm), IP address, and host name are presented.
The age is the amount of time elapsed since data was transmitted
to or received from the client.
WMM (Wi-Fi Multimedia)
The WMM page allows you to configure WMM (Wi-Fi Multimedia) feature. WMM is a
subset of the 802.11e wireless LAN (WLAN) specification that enhances quality of
service (QoS) on a network by prioritizing data packets according to their categories.
WMM enhances QoS at the wireless driver level. It provides a mechanism to prioritize
wireless data traffic to and from the associated (WMM capable) stations.
If you enable the WMM feature, you may need to decide whether or not to broadcast
Cable Modem/Router’s network name. Broadcasting allows you to easily recognize
your wireless network in the list of available networks. Once you have configured your
wireless clients, it is recommended that you disable the broadcasting feature.
To access the
WMM
page:
1
Click
Wireless
in the menu bar.
2
Then click the
WMM
submenu.
Figure 32 shows an example of the menu and Table 28 describes the items you can
select.

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