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Configuring Wireless Networks
Configuring Basic Wireless Settings
Cisco RV130/RV130W Wireless Multifunction VPN Router Administration Guide
68
4
STEP 10
Click
Save
to save your settings.
STEP 11
Click
Back
to go back to the
Basic Settings
page.
Configuring MAC Filtering
You can use MAC Filtering to permit or deny access to the wireless network based
on the MAC (hardware) address of the requesting device. For example, you can
enter the MAC addresses of a set of computers and only allow those computers to
access the network. You can configure MAC Filtering for each network or SSID.
To configure MAC filtering:
STEP 1
In the
Wireless Table
(
Wireless
>
Basic Settings
), check the box for the network
you want to configure.
STEP
2
Click
Edit MAC Filtering
. The
Wireless MAC Filter
page appears.
STEP
3
In the
Edit MAC Filtering
field, check the
Enable
box to enable MAC Filtering for
this SSID.
STEP
4
In the
Connection Control
field, choose the type of access to the wireless
network:
•
Prevent
—Select this option to prevent devices with the MAC addresses
listed in the
MAC Address Table
from accessing the wireless network. This
option is selected by default.
•
Permit
—Select this option to allow devices with the MAC addresses listed
in the
MAC Address Table
to access the wireless network.
STEP
5
To show computers and other devices on the wireless network, click
Show Client
List
.
STEP
6
In the
Save to MAC Address Filter List
filed, check the box to add the device to
the list of devices to be added to the
MAC Address Table
.
STEP
7
Click
Add to MAC
to add the selected devices in the
Client List Table
to the
MAC
Address Table
.
STEP
8
Click
Save
to save your settings.
STEP
9
Click
Back
to go back to the
Basic Settings
page.
Page 72 / 141
Configuring Wireless Networks
Configuring Advanced Wireless Settings
Cisco RV130/RV130W Wireless Multifunction VPN Router Administration Guide
69
4
Configuring Time of Day Access
To further protect your network, you can restrict access to it by specifying when
users can access the network.
To configure Time of Day Access:
STEP 1
In the
Wireless Table
(
Wireless
>
Basic Settings
), check the box for the network
you want to configure.
STEP
2
Click
Time of Day Access
. The Time of Day Access
page appears.
STEP
3
In the
Active Time
field, check
Enable
to enable Time of Day Access.
STEP
4
In the
Start Time
and
Stop Time
fields, specify the time during the day, when
access to the network is allowed.
STEP
5
Click
Save
.
Configuring Advanced Wireless Settings
Advanced wireless settings should be adjusted only by an expert administrator;
incorrect settings can reduce wireless performance.
To configure advanced wireless settings:
STEP 1
Choose
Wireless
>
Advanced Settings
. The Advanced Settings page appears.
STEP
2
Configure these settings:
Frame Burst
Enable this option to provide your wireless networks
with greater performance, depending on the
manufacturer of your wireless products. If you are not
sure how to use this option, keep the default (enabled).
WMM No
Acknowledgement
Enabling WMM No Acknowledgement can result in more
efficient throughput, but higher error rates in a noisy
Radio Frequency (RF) environment. By default, this
setting is disabled.
Page 73 / 141
Configuring Wireless Networks
Configuring Advanced Wireless Settings
Cisco RV130/RV130W Wireless Multifunction VPN Router Administration Guide
70
4
Basic Rate
The Basic Rate setting is not the rate of transmission but
a series of rates at which the Services Ready Platform
can transmit. The device advertises its basic rate to the
other wireless devices in your network, so they know
which rates will be used. The Services Ready Platform
will also advertise that it will automatically select the
best rate for transmission.
The default setting is Default, when the device can
transmit at all standard wireless rates (1 Mbps, 2 Mbps,
5.5 Mbps, 11 Mbps, 18 Mbps, 24 Mbps, 36 Mbps, 48
Mbps, and 54 Mbps). In addition to B and G speeds, the
device supports N speeds. Other options are 1-2 Mbps,
for use with older wireless technology, and All, when the
device can transmit at all wireless rates.
The Basic Rate is not the actual rate of data transmission.
If you want to specify the device rate of data
transmission, configure the Transmission Rate setting.
Transmission Rate
The rate of data transmission should be set depending
on the speed of your wireless network. You can select
from a range of transmission speeds, or you can select
Auto
to have the device automatically use the fastest
possible data rate and enable the Auto-Fallback feature.
Auto-Fallback will negotiate the best possible
connection speed between the device and a wireless
client. The default is Auto.
N Transmission
Rate
The rate of data transmission should be set depending
on the speed of your Wireless-N networking. You can
select from a range of transmission speeds, or you can
select
Auto
to have the device automatically use the
fastest possible data rate and enable the Auto-Fallback
feature. Auto-Fallback will negotiate the best possible
connection speed between the device and a wireless
client. The default is Auto.
Page 74 / 141
Configuring Wireless Networks
Configuring Advanced Wireless Settings
Cisco RV130/RV130W Wireless Multifunction VPN Router Administration Guide
71
4
CTS Protection
Mode
The device automatically uses CTS (Clear-To-Send)
Protection Mode when your Wireless-N and Wireless-G
devices are experiencing severe problems and are not
able to transmit to the device in an environment with
heavy 802.11b traffic.
This function boosts the device’s ability to catch all
Wireless-N and Wireless-G transmissions but will
severely decrease performance. The default is Auto.
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.
Enter a value between 40 and 3,500 milliseconds. The
default value is 100.
DTIM Interval
This value, between 1 and 255, indicates the 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 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. The default value is 1.
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.
Page 75 / 141
Configuring Wireless Networks
Detecting Rogue Access Points
Cisco RV130/RV130W Wireless Multifunction VPN Router Administration Guide
72
4
STEP
3
Click
Save
.
Detecting Rogue Access Points
A rogue access point is an access point (AP) that has been installed on a secure
network without authorization from a system administrator. Rogue APs pose a
security threat because anyone with access to the premises can install a wireless
AP that can allow unauthorized parties to access the network.
Use the Rogue AP Detection page to enable your device to display information
about all APs detected by the device in the vicinity of the network. If the access
point listed as a rogue is actually a legitimate access point, you can add it to the
Authorized AP Table
. Select a refresh rate to ensure that the Rogue AP Detection
page always displays the latest information.
To enable Rogue AP detection:
STEP 1
Choose Wireless > Rogue AP.
STEP
2
Click the Rogue AP Detection On radio button.
STEP
3
Click Save.
RTS Threshold
If you encounter inconsistent data flow, enter only minor
reductions. The default value of 2347 is recommended.
If a network packet is smaller than the preset Request to
Send (RTS) threshold size, the RTS/Clear to Send (CTS)
mechanism will not be enabled. The Services Ready
Platform sends 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 CTS frame to acknowledge the right to begin
transmission.

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