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Page 46 / 106 Scroll up to view Page 41 - 45
46
4021192 Rev B
Configure Wireless Settings
Wireless > MAC Filter
The MAC Filter feature is used to either allow or block access to your wireless LAN
based on the MAC Address of the wireless client devices. The MAC Filter feature,
also known as an access list, can be used to help protect your wireless network from
access by unauthorized users.
Select the
MAC Filter
tab to open the Wireless MAC Filter page.
Wireless MAC Filter Page Description
Use the descriptions and instructions in the following table to configure the MAC
address filtering for the wireless network for your residential gateway. After you
make your selections, click
Save Settings
to apply your changes or
Cancel Changes
to cancel.
Section
Field Description
MAC Filter
Allows you to
Enable
or
Disable
MAC Filtering for the residential
gateway
Page 47 / 106
4021192 Rev B
47
Configure Wireless Settings
Section
Field Description
Access
Restriction
Access Restriction
Allows you to permit or block computers from accessing the wireless
network. The choice that you make here affects the addresses listed on
this page. Choose one of the following options:
Block computers listed below from accessing the wireless network.
Select this option to deny Internet access to the MAC addresses of
the devices you list in the table. All other MAC addresses will be
allowed Internet access.
Permit computers listed below access to the wireless network.
Select this option to allow Internet access only to the MAC
addresses of the devices you list in the table. Any MAC addresses
not listed in the table will be denied Internet access
MAC Address
Filter List
MAC Address Filter List
The MAC Address Filter List displays users whose wireless access you
want to control. Click
Wireless Client List
to display a list of network
users by MAC address. From the To Sort by drop-down menu, you can
sort the table by IP Address, MAC Address, Status, Interface, or Client
Name. To view the most up-to-date information, click the Refresh
button.
Wireless > Advanced Settings
Your advanced wireless settings add another layer of security to the wireless
network for your residential gateway. This page is used to set up the advanced
wireless functions. Only an expert administrator should adjust these settings.
Incorrect settings can reduce wireless performance.
Select the
Advanced Settings
tab to open the Wireless Advanced Settings page.
Use this page to configure the following options:
N Transmission Rate
CTS Protection Mode
Beacon Interval
DTM Interval
Fragmentation Threshold
RTS Threshold
Page 48 / 106
48
4021192 Rev B
Configure Wireless Settings
Wireless Advanced Settings Page Description
Use the descriptions and instructions in the following table to configure the
advanced wireless settings for your residential gateway. After you make your
selections, click
Save Settings
to apply your changes or
Cancel Changes
to cancel.
Page 49 / 106
4021192 Rev B
49
Configure Wireless Settings
Section
Field Description
Advanced
Wireless
N Transmission Rate
The rate of data transmission should be set depending on the speed of your
Wireless-N networking. Select from a range of transmission speeds, or select
Auto
to have the device automatically use the fastest possible data rate and enable the
Auto-Fallback feature. Auto-Fallback negotiates the best possible connection speed
between the device and a wireless client. The factory default setting is
Auto
.
Choose one of the following options for transmission rate:
Auto (factory default)
Use Legacy Rate
0: 6.5 or 13.5 Mbps
1: 13 or 27 Mbps
2: 19.5 or 40.5 Mbps
3: 26 or 54 Mbps
4: 39 or 81 Mbps
5: 52 or 108 Mbps
6: 58.5 or 121.5 Mbps
7: 65 or 135 Mbps
8: 13 or 27 Mbps
9: 26 or 54 Mbps
10: 39 or 81 Mbps
11: 52 or 108 Mbps
12: 78 or 162 Mbps
13: 104 or 216 Mbps
14:117 or 243 Mbps
15: 130 or 270 Mbps
CTS Protection Mode
CTS (Clear-To-Send) Protection Mode boosts the device's ability to catch all wireless
transmissions, but can severely decrease performance. Select
Auto
to use this
feature when needed, when the Wireless-N/G products are not able to transmit to
the device in an environment with heavy 802.11b traffic. Select
Disable
to
permanently disable this feature.
Beacon Interval
The Beacon Interval value indicates the frequency interval of the beacon. A beacon
is a packet broadcast by the device to synchronize the wireless network.
(Default: 100 msec, Range: 20-1000)
Page 50 / 106
50
4021192 Rev B
Configure Wireless Settings
Section
Field Description
DTIM Interval
The Delivery Traffic Indication Message (DTIM) indicates the interval between
Broadcasts/Multicast transmissions. DTIM field is a countdown field informing
clients of the next window for listening to broadcast and multicast messages. When
the device has buffered broadcast or multicast messages 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 messages.
(Default: 1, Range: 1-255)
Fragmentation Threshold
The fragmentation threshold 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
The RTS Threshold determines at what packet size beyond which the ready to
send/clear to send (RTS/CTS) mechanism is invoked. Should you encounter
inconsistent data flow, only minor reduction of the default value, 2346, is
recommended. If a network packet is smaller than the preset RTS Threshold size,
the RTS/CTS mechanism will not be enabled. The device sends Request to Send
(RTS) frames to a particular receiving station and negotiates the sending of a data
frame. After receiving an RTS, the wireless station responds with a Clear to Send
(CTS) frame to acknowledge the right to begin transmission. The RTS Threshold
value should remain at its default value of 2347.

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