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Ubee Interactive
Using the Access Control Option
Ubee DVW32CB Advanced Wireless Voice Gateway Subscriber User Guide
•
January 2015
82
Label
Description
Wireless Interface
On the top left side of the screen, you can select either the
2.4GHz or 5GHz radio band to configure.
NOTE:
This is an indicator of which band you are actively
configuring, both radios are enabled automatically.
Wireless Interface
Defines the network name (SSID) and MAC address for which
you are setting access control parameters. The screen shot
above shows the SSID for the 2.4GHz radio.
MAC Restrict Mode
Controls wireless access to your network by MAC address.
Disabled
turns off MAC restrictions and allows any
wireless client to connect to this device. However, if you
use other security mechanisms for access to the wireless
network, clients must still adhere to those restrictions.
Allow
creates a list of wireless clients that can connect to
the wireless network. Enter the MAC addresses of these
clients in the MAC Addresses fields. MAC addresses not
on the list, are not allowed access to your wireless
network.
Deny
creates a list of wireless clients that you do not
want to have access to your wireless network. Enter the
MAC addresses of these clients in the MAC Addresses
fields.
Page 87 / 114
Ubee Interactive
Using the Wi-Fi Multimedia Option
Ubee DVW32CB Advanced Wireless Voice Gateway Subscriber User Guide
•
January 2015
83
9.5
Using the Wi-Fi Multimedia Option
Use the Wi-Fi Multimedia option to enable quality of service (QoS) to ensure the best
service in your wireless networks.
Controls WLAN transmission priority on packets transmitted over the wireless network.
Wi-Fi Multi-Media Quality of Service (WMM QoS) is a part of the IEEE 802.11e QoS
enhancement to certified Wi-Fi wireless networks.
WMM QoS prioritizes wireless traffic according to the delivery requirements of the
individual user and applications. On wireless access points without WMM QoS, all
traffic streams are given the same access priority to the wireless network. If a new
traffic stream creates a data transmission demand that exceeds the current network
capacity, the new traffic stream reduces the throughput of the other traffic streams.
MAC Addresses
Defines the MAC addresses. Note: You may cut and paste
MAC addresses from the connected clients list at the bottom
of the screen.
Apply
Saves changes when clicked.
Connected Clients
Lists wireless clients currently connected listed by MAC
address.
MAC Address
– Displays the MAC addresses entered in
the MAC Addresses field (see above).
Age(s)
– Displays the duration since the wireless client’s
polled values were sent to the device. The values include
all information shown on this screen. The lower the
number, the more current its data.
RSSI(dBm)
– Displays the received signal strength from
the device to the DVW32CB. This value is commonly
used to assist in troubleshooting wireless performance
issues. A signal strength between 0dBm and -65dBm is
considered optimal. Levels of -66dBm and lower (for
example, -70, -80, etc.) have a downward impact on
wireless data throughput. Refer to
Understanding
Received Signal Strength on page 86
for more
information.
IP Address
– Displays the IP address assigned to this
wireless client.
Host Name
– Displays the host name of the wireless
client.
Mode
– Indicates the applicable 802.11a/b/g/n standard
used by the connected client device.
Speed (kbps)
– Displays the maximum theoretical link
speed negotiated
between the DVW32CB and the client,
not including the overhead associated with encryption, and
so on. For example, actual speeds with WEP encryption
enabled a
re typically less than half of the negotiated link
speed. TKIP encryption can also affect performance.
AES is the most efficient and secure with the highest
throughput possible. You can disable WMM if throughput
on some client adapters is adversely affected.
Label
Description
Page 88 / 114
Ubee Interactive
Using the Wi-Fi Multimedia Option
Ubee DVW32CB Advanced Wireless Voice Gateway Subscriber User Guide
•
January 2015
84
WMM QoS capability allows you to assign access categories (ACs) to various packet
streams. The assigned AC of a packet stream depends on the packet’s priority, such
as a priority assigned by an application (also referred to as a user priority (UP). An AC
may include a common set of enhanced distributed channel access (EDCA)
parameters used by QoS to contend for a channel to transmit packets with certain
priorities.
Different ACs can be associated with different power saving parameters. For example,
one power saving parameter might be the delivery mechanism used by an access
point (AP) to deliver packets to a station (STA) that is operating in a reduced power
mode.
WMM transmit opportunity (TXOP) is assigned to each access point. The bounded
time interval during which a station can send as many frames as possible as long as
the transmission time does not extend past the maximum duration of the TXOP. If a
frame is too large to be transmitted in a single TXOP, it should be fragmented into
smaller frames. Using TXOP reduces the problem of low rate stations gaining too
much channel time in the legacy 802.11 DCF MAC. A TXOP time interval of 0 means
it is limited to a single MAC service data unit (MSDU) or MAC management protocol
data unit (MMPDU).
Note
WMM may need to be disabled to avoid throughput impacts to other wireless devices.
Steps
To enable the multimedia wireless option:
1.
Click
Wireless
from the main menu.
2. Click
WMM
(Wi-Fi Multimedia
)
from the left side menu. Field descriptions are listed
below the screen example. This example shows the screen when the DVW32CB is in
the 2.4GHz band.
Page 89 / 114
Ubee Interactive
Using the Bridging Option
Ubee DVW32CB Advanced Wireless Voice Gateway Subscriber User Guide
•
January 2015
85
9.6
Using the Bridging Option
Use the
Bridging
option to configure the DVW32CB to act as a wireless network bridge
and establish wireless links with other wireless access points. To establish a bridge, you
need to know the MAC address of the peer device, that must be in wireless bridging mode
as well. The DVW32CB can establish up to four wireless links with other wireless access
points. When wireless devices are in wireless bridging mode, they form a wireless
distribution system that allows computers in one LAN to connect to the computers in the
other LAN.
Caution
Avoid bridge loops when you enable bridging devices. Bridge loops cause broadcast traffic to
circle the network endlessly. This can degrade throughput and disrupt communications.
Steps
To configure the modem as a bridge:
1.
Click
Wireless
from the main menu.
2. Click
Bridging
from the left side menu. Field descriptions are listed below the screen
example. This example shows the screen when the DVW32CB is in the 2.4GHz band.
Label
Description
Wireless Interface
On the top left side of the screen, you can select either the
2.4GHz or 5GHz radio band to configure.
NOTE:
This is an indicator of which band you are actively
configuring, both radios are enabled automatically.
WMM Support
Enables (On) or disables (Off) WMM support. It is enabled by
default.
Power Save Support
Enables (On) or disables (Off) power savings. WMM Power
Save increases the efficiency and flexibility of data transmission.
The wireless client device can “doze” between packets to save
power, while the wireless access point buffers downlink frames.
The application chooses the time to wake up and receive data
packets to maximize power conservation without sacrificing
quality of service. Power Save Support is enabled by default.
Apply
Saves changes to the WMM settings.
Page 90 / 114
Ubee Interactive
Deploying and Troubleshooting the Wireless Network
Ubee DVW32CB Advanced Wireless Voice Gateway Subscriber User Guide
•
January 2015
86
9.7
Deploying and Troubleshooting the Wireless Network
Use the information in this section to help you understand, deploy, and troubleshoot your
wireless environments:
Understanding Received Signal Strength on page 86
Estimating Wireless Cable Modem to Wireless Client Distances on page 87
Understanding the 2.4GHz and 5GHZ Bands on page 89
Selecting a Wireless Channel on page 90
9.7.1
Understanding Received Signal Strength
Received signal strength (RSSI) is measured from connected wireless client devices to
the DVW32CB. This value can significantly impact wireless speeds/performance. It is
determined by:
Materials (for example, open air, concrete, trees)
Label
Description
Wireless Interface
On the top left side of the screen, you can select either the
2.4GHz or 5GHz radio band to configure.
NOTE:
This is an indicator of which band you are actively
configuring, both radios are enabled automatically.
Wireless Bridging
Enables or disables the wireless bridging function. If enabled,
the DVW32CB will be able to communicate with a wireless
bridge.
Remote Wireless
Bridges MAC ID List
Defines the MAC addresses of the wireless bridges that you
want to have the DVW32CB send traffic to.
Apply
Saves all changes.

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