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Ever wonder, when doing a site survey, how well the access point is seeing the
client? Most wireless tools show how the client sees the access point, but the
client is always able to hear the access point much better than vice-versa.
If your AP is HostAP or MadWiFi based and runs an SSH server, this Microsoft
.NET application will allow you to monitor activity from the AP point
of view.
The Main Wireless Device Monitor Screen
The following screens show Wireless Devices being used in various
ways.
Device 10.0.0.44 is being used as a HotSpot.
The Access Point is the wlan0 adapter, indicated by the Access Point icon with
the PCMCIA icon, representing a client, as the next item in the tree.
The uplink interface from the device is indicated with the Satellite icon, and
as you can see, connected to the SSID Relay, which is
the path client requests will use to connect to the Internet. The Access
Points in the next tree element down from the ath0 (relay) interface shows all
the Access Point the interface can 'see', including the one that the interface
is currently connected to.
Device 10.0.0.42 is a Wireless Bridging Relay.
The ath0 interface is an Access Point that has the HotSpot ath0 client
interface connected to it. In addition, because it is acting as a wireless
bridging relay, this device is also connected to the Backhaul device using the
wlan0 interface.
The Backhaul device, 10.0.0.6, uses wlan0 as an Access Point to connect
to the Relay device, 10.0.0.42, as a client..
This device is also in bridging mode, but rather than bridge wirelessly, it
bridges from wlan0 to eth0 which is connected to the Internet.
Device Details
Also available is a Device Detail screen that provides, among other
information, a list of DCHP Leases.
Interface Detail Statistics
A screen is provided to display detailed interface information. The
information may be updated on demand using the Refresh
button.
Access Point Statistics
This screen shows detailed client information. This information includes
traffic statistics and link quality information. You can refresh the data
manually using the Refresh button or set refreshes to occur
automatically using the scanning function. Scan rates can be set as to
happen as often as 1 millisecond.
Client Statistics
This screen shows detailed client information. This information includes
traffic statistics and link quality information. You can refresh the data
manually using the Refresh button or set refreshes to
occur automatically using the scanning function. Scan rates can be set as
to happen as often as 1 millisecond.
AVC Wireless Monitor v0.15 - 4/08/2005 - 915 KB
Added Device Detail screen with DHCP Lease information.
AVC Wireless Monitor v0.14 - 4/06/2005
Added Clients/APs tab to Interface Statistics screen.
AVC Wireless Monitor v0.12 - 3/11/2005
1. Added Atheros Client Statistics screen for Atheros Madwifi drivers
with cards in AP mode.
2. Added Atheros Access Point Statistics screen for Madwifi
drivers with cards in client mode.
3. Added Prism Access Point Statistics screen for
HostAP drivers with cards in client mode.
AVC Wireless Monitor v0.11 - 2/9/2005
1. Moved client link quality and statistic information to the Prism
Client Statistics screen.
2. Added auto-scan function for displaying client link and quality information.
3. Fixed overflow problem on packet and byte counts for clients.
4. Now uses non-modal forms so multiple client screens may be open at the same
time.
AVC Wireless Monitor v0.10 - 1/26/2005
Original pre-Beta release
Note: This software was developed and tested using the following HostAP and
MadWiFi driver versions:
hostap_cs: 0.1.3
hostap_pci: 0.1.3
ath_hal: 0.9.8.6
ath_pci: 0.8.5.4 BETA
wlan: 0.7.3.1 BETA
To determine which driver versions you are running, execute the
following commands after a fresh system start:
dmesg | grep hostap
dmesg | grep ath
dmesg | grep wlan
Some features may not work properly if you are using driver versions
other than those indicated above.