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ap-gl - configure and monitor ATMEL_PRISM based APs
Contents
Author
Roman Festchook <roma@polesye.net>
http://ap-utils.polesye.netDescription
ap-gl to config and get stats from Atmel-chipset based AP with ATMEL_PRISM Private MIB support.
Menu
Info/SysInfo
Get info about AP hardware and software
Ethernet
This option displays the Ethernet statistics for your reference.
Wireless
This option displays the wireless statistics for your reference.
Stations(atmel)
Under this menu the user will be able to see the Associated Stations that are currently associated
with the Access Point. For each associated station the user will be able to see the MAC Address.
From version 0.7.3-pre1 you may save mac addresses list to file ~/<util_name>.stations. For each
associated station the user will be able to see the MAC Address, Link Quality, RSSI and Idle time.
* Mac address: If the association is pending (that is, the Client is scanning, authenticating or
associating), assocAddress contains the MAC address of that Client with the group bit set to
indicate that the Access Point is aware of the presence of that Client. The other objects of the
entry will be updated based on the information extracted from the received Probe Requests.
* Link Quality: An indicator for the quality of the Client. If the association is still pending,
the quality is calculated over the received Probe Requests from the Client. If the Client is
associated, the quality derived from any activity with the Client. The actual quality source
depends on the selected quality indicator. The semantics of the indicator is 'low is good quality'
and 'high is bad quality'.
* IdleTime: An indicator (in seconds) for the age of the information on the Client. The age is
reset to 0 if any activity of this Client is detected.
* RSSI: An indicator for the RSSI of the Client. If the association is still pending, the RSSI is
calculated over the received Probe Requests from the Client. If the Client is associated, the RSSI
derived from any activity with the Client.
* Client stations Status: status 3 - normal connected, status 9 - awaiting authorization.
KnownAP
By using option APs from info menu you may see all Access Points thats visible by your AP.
* Link Quality: An indicator for the quality of the Client. If the association is still
pending, the quality is calculated over the received Probe Requests from the Client. If the
Client is associated, the quality derived from any activity with the Client. The actual
quality source depends on the selected quality indicator. The semantics of the indicator is
'low is good quality' and 'high is bad quality'.
* RSSI: An indicator for the RSSI in dBm of the Client. If the association is still pending,
the RSSI is calculated over the received Probe Requests from the Client. If the Client is
associated, the RSSI derived from any activity with the Client.
* WARNING! By reports this option my be dangerously - in some cases you may lost you AP
configuration and on SMC2655W the one way to fix it - only restore factory defaults.
Config/Bridging
IP configuration - If the server site supports DHCP function and the DHCP Enable box is
ticked; the IP address of an access point will be automatically displayed and assigned; otherwise,
you need to key in an IP address now. The primary port provides a wired or wireless method
to change the access point setting. If the Ethernet option is ticked, the setting of an access
point can be done through Ethernet. If the Wireless option is ticked, the access point function
can be set through a wireless station. Wireless station means a laptop PC or a desktop PC equipped
with an IEEE802.11b PCMCIA card or USB dongle. Enable SNMP Traps enables the SNMP trap
function. You can view the records by using ap-trapd utility. You are allowed to set your
access point to be used as Access point, Access point client, or Wireless bridge.
* Access Point - An internetworking device that seamlessly connects wired and wireless networks
together.
* Wireless bridge Point to point - The point-to-point wireless bridge configuration uses two
Wireless Bridge units to connect two separate LANs. You must to fill in the Remote MAC Address
before your bridge-function-enable access point can work with it.
* Point to multipoint - When connecting three to more separate LANs, each LAN located building
requires a wireless bridge. This is called Multipoint wireless bridge and again requires one
Master bridge unit and two or more Slave bridge units as required. If the point-to-multipoint
option is selected, your bridge-function-enable access point will designate as a Mater and to
work with it, others bridges need to be set as a point-to-point bridge and enter the MAC address
of the mater access point.
Wireless
You can give your access point a name and give it an ESSID (Extended Service Station ID), which
can allow other wireless stations, which knows the ESSID, to link with it.
Privacy
The Privacy options allow you to enable 64-bit or 128-bit WEP (wired equivalent privacy)
encryption. If an encryption function is not needed, you can just simply tick on the Disable box
to disable it. If the 64-bit or 128-bit encryption function is enabled, there are four sets of key
need to be filled into the blanket boxes. For the 64-bit encryption, each key is required to enter
5 Hex digits. For example: 11 22 33 44 55. The 128-bit encryption requires each key to enter 13
Hex digits. For example: 12 34 56 78 9A BC DE F0 11 22 33 44 55.
NOTE! The WEP keys you enter are really accepted and written to the AP, permanently if you do an
Upload from the Commands menu after setting them. However, the new key values are not echoed to
the user when you return to the Privacy settings under the Config menu. This is a security
feature of SNMP implementation in this hardware.
AuthorizedMACaddress
For security or management purpose, you can edit a list of authorized MAC addresses, which are
allowed to view or modify the setting of an access point. Authorization Table Enable option
allows you to enable or disable this function.
Community
The Community configuration allow you to set a phrase for administrator and manufacturer
community and a phrase for user community. If a user knows the phrase of administrator, he/she is
authorized to change the setting of an access point. If a user only knows about the phrase of a
user community; he/she is allowed to view the setting of an access point but is not allowed to
change the setting.
Radio Under the Radio user will be able to set or get the Transmitting Powervalues, for the Control
Register 31 of the Baseband, for each channel. Reg CR31: Under this option user defines a value
for the transmitted power (Value for the Control register 31 of the baseband) and it must be in
the range 128 (max) to 255 (min) in Decimal form. Starting from version 0.6 of Access Point SNMP
Config utility it's possible to set power output level for your AP. You may set signal power
output in range from 0mw to 100mw by setting value for corresponding channel from 0 to 255 (0xFF).
The scale is as follows:
Value: 00----------128--------255
Power: 0mw--------100mw-------0mw
So to get maximum power output from your AP set value for corresponding channel to 128
(0x80). But sometimes better solution - experimentally choose values for best link quality,
sometimes not max. More info you can get from:
http://pasadena.net/aprf/;
http://www.wi2600.org/mediawhore/nf0/wireless/docs/802.11/WAP11/fun_with_the_wap11.txt.
Commands/Upload After you ve changed any value or setting of an access point through the SNMP config utility. You
must come back to this option to make the new changes and setting s validated. Also, only an
administrator and manufacturer is allowed to do such changes.
Defaults
Restore factory default configuration.
Reset Reset AP. All changed and not uploaded settings will be lost.
TestMode/
When user selects the Tests option a form will appear indicating a number of parameter needed
to be set by the user in order to perform the Radio test.
Antenna: Under this option we specify the antenna to be tested (A, B).
Tx Filter: Under this option user needs to select the Baseband transmitting Filter to be
used. There are two options (US, JPN) available since the bandwidth for Europe - USA is 11MHz and
for, Japan is 14MHz.
Rate: Under this option user needs to specify the rate to be used among the following
options 1Mbps, 2Mbps, 5.5Mbps and 11Mbps.
Channel: Under this option user needs to select the channel to be used. There are 14
channels available. After setting the parameters there are three commands available:
Continuous Tx (with modulation), Continuous Tx (without modulation) and Continuous Rx:
* Continuous Tx (with modulation): Using this command the MAC sets the transmitter in continuous
mode with modulation. We can measure the output power of the radio.
* Continuous Tx (without modulation): Using this command we can measure the frequency accuracy of
the radio. The MAC sets the baseband Processor in test mode and turns off the spreading and
scrambling codes.
* Continuous Rx: With this command user can set the device in a receiving mode.
Note: In order to perform the above test user needs to have a Spectrum Analyzer connected.
Connect/
In order to make a connection with Access Point user needs to set two parameters. The IP Address
of the Access Point and the Community name (default 'public').
Search/
Find connected Access Points. Search for WNW APs only works if community set to right AP
community. It's useful if you know community but dont know what ip your AP got from DHCP server.
You must have support for multicasting enabled in kernel.
About/ About function shows the Wireless Access Point Configurator for Unix version and short info.
Shell/ Run subshell. To return type 'exit'
Name
ap-gl - configure and monitor ATMEL_PRISM based APs
Navigation Keys
In case you unable to use cursor keys to menu navigate - try to use "h" to go left, "j" to go down, "k"
to go up, "l" to go right, like vi editor.
See Also
ap-trapd(8), ap-mrtg(8), ap-config(8) Wireless Access Point Utilities for Unix ap-gl(8)
Synopsis
ap-gl
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