WiFi is a layer 1 and 2 networking protocol for wireless communication between devices. It is typically used in local networks for client access, but can also be used in point-to-point network links. WPA is used to encrypt traffic.

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222
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45answers
42k views

Why is Internet access and Wi-Fi always so terrible at large tech conferences? [closed]

Every tech conference I've ever been to, and I've been to a lot, has had absolutely abysmal Wi-Fi and Internet access. Sometimes it's the DHCP server running out of addresses. Sometimes the backhaul ...
10
votes
4answers
45k views

What's the maximum number of wifi connections for a single WiFi router?

We've got a Draytek 2829VN Wifi router and I'm wondering how many concurrent connections I should expect a router of this kind to cope with? We are looking to connect 60 iPads! I'd also be ...
14
votes
3answers
2k views

Slowest wireless client dictates the connection quality of all others?

Not sure if this is the place to ask this, but I couldn't find a more appropriate StackExchange site. I heard that the quality of wireless connection follows the law of the lowest common denominator - ...
4
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6answers
3k views

Wireless to Wireless Transfer Slow on a Linksys WRT54GL

The Situation: When I try to transfer a file from one computer to another that are both connected via wireless on a WRT54GL (in a office) with dd-wrt firmware I often get bad speeds. In generally ...
2
votes
3answers
20k views

How can I enable domain authentication over wireless in Windows 7/2k8?

I've got several domain-member laptops which commonly roam to places where there aren't any network ports available. Occasionally, during these times, the laptop may be used by someone who has not ...
2
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2answers
6k views

how to forward wlan0 to eth0?

I get internet from my wireless wlan0 and I would like to forward it to eth0 which is connected to another laptop. How can I do that? Thanks. Edit: my wireless card is intel: 0b:00.0 Network ...
2
votes
1answer
596 views

Setting reply priority on Wifi network with QoS?

When using a Station and Access Point that support QoS over Wifi, is it possible to set the priority (= Traffic Identifier = TID = QoS channel) of the reply? For example when sending a ICMP ping ...
2
votes
3answers
434 views

Will segmenting wi-fi SSIDs limit the spread of viruses, trojans and the like?

I have been championed to install a router that supports multiple SSIDs and being relatively new to the world of networking, would I be able to limit the spread of viruses and the like if I have users ...
1
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2answers
170 views

Are WiFi Max Solutions worth considering

We are looking at ways to help cut our costs and our T1 contract is up. We have run across a local company that offers a 2mbit WiFi Max solution that is considerably cheaper than a T1. They have a ...
-1
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1answer
1k views

cisco 2500 series controller keeps dropping devices

I have a cisco 2504 controller with 3502 ap's. This is all configured and works a lot faster than our old system already except these seem to drop clients every 20-30mins or so for a few seconds. ...
-2
votes
2answers
219 views

Trapping wireless clients and redirecting them to an authentication page

When a customer comes to surf the web on my guest wifi, he should be redirected to my company's page where he is asked a password. If that password is correct, then the user should be allowed to reach ...
11
votes
13answers
7k views

Why would wireless routers become less reliable over time?

I've been curious about this for awhile now. I don't know if I'm seeing a real pattern or not, but having worked with many home office/small office wireless routers for a few years now, I've noticed ...
4
votes
3answers
11k views

Adding a second wireless router to my network

I have Verizon DSL service that came with a westell 7500 wireless router, but the wireless does not cover a big enough area. I also own a linksys wireless router which I would like to place about 75 ...
4
votes
4answers
658 views

WiFi planning tool

I am going to build a complex wifi network in a large building, so I am looking for a kind of software, which can: Plan APs positions on a map (ex: floor map) Draw AP's theoretical coverage ...
8
votes
3answers
659 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 ...
7
votes
9answers
2k views

LAN Between Buildings

Right now I have two buildings across the street from one another that both have typical consumer aDSL connections (something like 12 Mbs down/1 Mbs up). When I need to access resources on the other ...
9
votes
4answers
377 views

Wireless Signal Strength + Performance

We have two access points on the shop floor. One of the AP's is not performing correctly with erratic signal strength and connectivity. Are there any open source tools available to measure performance ...
4
votes
3answers
6k views

AFP painfully slow

Copying a file using AFP took 40 minutes but using scp it only took 7 mins. Why is AFP so slow? My setup: D-Link DIR-300 wifi router iMac with Snow-Leopard serves AFP Macbook with Leopard is the ...
7
votes
5answers
1k views

How can I set up a single wireless network through a number of WIFI routers?

I need to set up wireless access for my company headquarters. We live in a 4 story building and all 4 floors need to be covered. Currently I have 4 WIFI routers (Checkpoint SBOX, combined FW+router), ...
5
votes
4answers
8k views

Is wireless wake on lan possible?

I don't really have much to add to the question in the title.. Is it possible to wake a computer via a wireless network card? (Assuming that a wireless card doesn't consume enough power to make ...
4
votes
2answers
6k views

802.1x automatically validate certificate in windows clients

We're deploying a wireless networking using Windows Server 2008 NAC as a RADIUS server. When Windows XP or 7 clients connect they initally fail to connect. In order to enable the client to connect we ...
4
votes
6answers
10k views

Free Wi-Fi hotspot management software for school

I'm working in a high school and I'd like to put in place a public Wi-Fi network with a captive portal that asks for authentication but also keeps track of user information, like the amount of data ...
2
votes
4answers
3k views

How do I setup a wide area wireless network?

I manage the network for my parents small business (an after hours type thing just to keep them from having to pay someone), and I would like to setup a wireless network for them. They have two large ...
6
votes
4answers
13k views

Is there an equivalent command for 'init.d/networking restart' in OS X

From time to time, I've encountered issues with OS X clients' network connections (Wired and Wireless, Leopard/Snow Leopard) where nothing will fix the issue, until you reboot. Is there a ...
5
votes
4answers
895 views

Does anyone use DD-WRT/OpenWRT etc. at their office? [closed]

Does anyone use any of the third party router/AP firmwares (DD-WRT, OpenWRT, Tomato, etc.) in an office environment? How many users does it handle well? How long have you been using it? I understand ...
3
votes
2answers
6k views

WPA2 Enterprise - Validating Identity

I cannot get WPA2 enterprise to work on my network. I will give you an overview of the current setup. Windows Domain, using IAS and its own CA Linksys WAP200 Access Point I setup the AP to use ...
2
votes
4answers
3k views

Wireless router with vpn server [closed]

I'm searching for a WLAN (Wifi) Router that can be used as VPN server as well for my home office. Any good suggestions?
1
vote
1answer
8k views

Connect to WEP Wireless Network by command line on Ubuntu

I am a newbie to both network and Linux. I am now trying to connect to a WEP wireless network by command line on my Ubuntu 8.10, because the Network Manager does not support 64 bit WEP. (1) I ...
10
votes
3answers
1k views

Security considerations of WPA versus WPA2?

As we replacing our existing WEP infrastructure across multiple offices, we are weighing the value of upgrading to WPA versus WPA2 (both PSK). We have several different types of devices that do not ...
4
votes
7answers
8k views

How to detect rogue WIFI routers on a network?

My client recently changed their network policy so now all WIFI routers are disallowed from the network. They said they would be running some scans and that they would be able to find "rogue" WIFI ...
3
votes
4answers
12k views

How to hack airport extreme to support USB 3G modem?

Has anyone out there ever tried to hack the Airport Extreme, specifically with regard to the USB port? There are many cellular routers available that provide WiFi sharing of a USB modem link. However, ...
2
votes
1answer
526 views

Wireless Profile via Group Policy - Specific Trusted Root not Listed?

So I am trying to use Group Policy to configure the wireless settings on a bunch of laptops. We are using a third party cert that isn't showing up as an option in the list of Trusted Root ...
2
votes
3answers
5k views

Windows 7 Laptops “unable to find logon server”

In the school I work in we have a large number (500+) of Windows 7 laptops on a Meru Wireless system and Server 2008 R2 Servers. We have an appalingly large failure rate where a student or staff ...
2
votes
8answers
1k views

Wireless network between buildings

I'd like to have a network connection between two buildings, but can't use wires so I'm looking into other solutions: Are there some sort of directional WIFI antennas that I can place in the outside ...
4
votes
2answers
26k views

Windows 7 - wireless connection sharing

I am trying to share my mobile broadband Internet connection with other machines via Wi-Fi and am running Windows 7. Users are able to connect to my machine, but they are not able to obtain an ...
2
votes
1answer
257 views

Utilise Netsh Wlan in WIn PE 4.0

We have been working with unattended domain joins using SCCM 2012. We used to use a command line step in the OSD to join the machine to the local wireless network prior to domain join. The syntax used ...
2
votes
1answer
810 views

Does there exist a short range wireless router, or are all 2dBi?

When I look at specs for wireless routers, then I either can't find the signal strength or it is 2dBi per antenna. I am looking for a short range (low antenna dBi) and low throughput (transmitted ...
2
votes
3answers
1k views

Why are my listener-less multicast packets affecting Wifi performance?

I've got a program that sends out a IPv6 multicast packet (to ff12::2:0:8afb:382b:c053:85f%en1) every 50ms. I've got it running on a very simple single-computer LAN (Mac mini <-wifi-> Linksys wifi ...
2
votes
5answers
2k views

Mac laptop crashing wireless router

We have a office with a wireless router - whenever a particular Mac laptop comes in the wireless router needs to be rebooted. Does anyone know the cause of this?
2
votes
6answers
3k views

hp 6716s, 6715b, and 6710s laptops on linux wireless problem

A year ago we bought several HP Compaq's laptops. Different models, from 6715s, 6715b, 6710s, 6735 ... (not all of them have gone through my hands so I don't know every one of them). They came with ...
0
votes
2answers
690 views

How do I configure wireless router to stop forwarding broadcast directed traffic to the network?

Basically, can anyone tell/assist me on how to make my NETGEAR N 300 Wireless Router stop forwarding broadcast directed traffic to the network? So the problem is this: I've been receiving DoS attack: ...
0
votes
2answers
421 views

High client density, low cost wifi network? [closed]

I'm trying to build a wireless infrastructure that allows me to connect as many clients as possible. Ideally I'd like to connect up to 100 clients at the same time. Bandwidth for individual clients ...
0
votes
2answers
280 views

Setting up a linux server to share an internet connection

I in the process of reconfiguring my network. It is currently like this: internet - modem - wireless router - wired server/clients | |---- ...
0
votes
1answer
3k views

Redirecting all WiFi requests to my server (like captive portal)

I'm actually trying to develop a public wireless network (not business, just for educational purposes, I am studying computer science...). But I am lacking the required knowledge to acheive this goal ...
0
votes
5answers
440 views

What do I need to transform my network from Ethernet to WiFi?

I'd like to know what is the best Hardware to install/buy to transform the whole network of my company from Ethernet to WiFi (keeping Ethernet for security first...). There are 2 servers and 12 ...
0
votes
1answer
2k views

Unable to connect to a local MYSQL server on wireles LAN

Ok, Here is the technical description. My laptop's config: Ip Adress:192.168.2.5 Mysqlserver 5.0 on port : 3306 Operating system: Ubuntu jaunty (9.04) 3306 is open for both incoming and outgoing. My ...
0
votes
1answer
2k views

Is it possible to have the D-Link DIR-628 run in wireless bridge mode?

Short of installing 3rd party software, does the D-Link DIR-628 run in bridged wireless? I'm trying to have the dlink hook up to an existing linksys wireless router to add more range/get stronger ...
0
votes
1answer
3k views

Windows Server 2008 Routing / NAT - USB Wireless adapter not showing up

I have a multihomed system running Windows 2008 Server Enterprise, and I'm trying to share an Internet connection on a USB wifi adapter with the other networks attached to the system. To that end, I ...