0
votes
1answer
40 views

Theoretical Wi-Fi decay

Is there a way to (theoretically at least) calculate the decay on bandwith of a Wifi related to the streght signal? For example, I know that I can theoretically expect 54Mbps of a 802.11g at 100%, ...
0
votes
0answers
110 views

Is there any way by which I can capture the wifi probe requests without using monitor mode?

For some reason, keeping the wifi interface in monitor mode on my machine is crashing it(its a raspberry pi, I'm assuming its crashing because of the amount of traffic being intercepted, but lets not ...
1
vote
1answer
45 views

What network/device info can be obtained from an iOS device connected to an 802.11u-enabled access point?

In order to perform some device security validations, I need canonical references to what device/hardware/network information can be obtained from an iOS device connected to an 802.11u-enabled access ...
3
votes
1answer
579 views

OpenVPN to host tap device having very large MTU

Question What is the minimum set of server and client configuration directives that I need in order to satisfy the following conditions? Virtual layer 2 ethernet network that will not be bridged ...
-1
votes
1answer
226 views

Reason for four frame types in Wireless LAN [closed]

So I was asked this question in an interview as a junior network specialist the other day: Give A reason why there is only one frame type in a wired LAN but four frame types in a wireless LAN. ...
-1
votes
1answer
708 views

How to calculate bandwidth limits per user on WiFi network

A typical 802.11g access point can provide around 25 Mbps of bandwidth. How is the bandwidth shared among the users? Furthermore, how many users can be served by a single access point using 802.11g ...
19
votes
4answers
1k views

Do wifi packets go directly node to node?

I have two nodes on a wireless network. Node A is streaming data to node B. Most of the time it works fine, but sometimes there is packet loss and the stream is interrupted. To improve performance ...
1
vote
1answer
5k views

What is the reason CSMA/CD can't be used on a wireless network? [closed]

I'm new to wireless networking and wondering why the same Collision Detection mechanisms used for Ethernet can't be applied to WiFi. I think I'm starting to understand, but not sure if I've got it: ...
6
votes
4answers
495 views

Wireless technology - which is better: more single radio APs or less dual radio APs?

We are currently talking to vendors of wireless solutions for a wireless deployment in a university campus with some 5000 students. One vendor is offering us a Cisco solution with a WLC 5508 ...
4
votes
3answers
87 views

Wireless LAN interference

I have set up at wireless LAN network in a small office, connected to a ADSL connection. Using a wired connection between a computer and the router, I get the expected ~8.5 Mbps down, and ~1 Mbps up. ...
2
votes
1answer
722 views

How do mixed wireless clients (b/g/n) effect total throughput of an access point?

Say you are planning a network based around access points that support the full range of 802.11 protocols on 2.4Ghz(b/g/n). How will a mixed set of clients effect the total throughput possible through ...
5
votes
2answers
364 views

Using 4 wifi channels rather than 3

I have a wifi deployment with about 60 access points, currently limited to channels 1,6, and 11. This is a college campus, and the residence halls can get quite noisy, from an rf perspective. We ...
2
votes
2answers
129 views

Tool to troubleshoot wireless connections

Having a lot of issues with a wireless network with multiple APs sharing the same SSID. I have a tool I use on my android phone (wifianalyzer) that is helpful, but I need a more comprehensive set of ...
1
vote
0answers
196 views

How can I simulate 802.11 with WEP encryption on a wire or within a single system?

How can I simulate 802.11 with WEP encryption on a wire or within a single system? Thanks, Chenz
4
votes
2answers
243 views

How can I offer 2.4 ghz wi-fi in a building with strong interference?

I have a few access points on one floor of a high-rise building. They support both 2.4 ghz and 5ghz. When I used 2.4 ghz, the channel management features did not seem to work and we experienced ...
3
votes
3answers
753 views

Why slow (500-4500ms) ping times to google.com over Wi-Fi?

I regularly get ping times (to google.com) on my netbook over wireless (802.11) of: 500-4500ms for about half the time 100-150ms for the rest of the time. It seems to switch back and forth on the ...
8
votes
3answers
765 views

Load testing wireless LANs

Anyone have any suggestions for methods of load-testing wireless networks for enterprise network deployments? We've got a wide array of different wireless worst-case scenarios to support. rooms ...
12
votes
5answers
15k views

What is the maximum length of a wifi access point's SSID?

I was wondering if anybody knew what the maximum string length of a browser's SSID is or where I could go to look for that sort of information. (From a spec of some sort)