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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254
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45answers
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What are the obstacles to providing reliable Internet access and Wi-Fi 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 ...
18
votes
8answers
90k views

How to test real network throughput between two points?

What are some of the better tools/utilities for testing real bandwidth across a link? In my case I am testing the real throughput across a wifi bridge.
22
votes
4answers
104k 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 ...
18
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3answers
6k 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 - ...
2
votes
4answers
55k 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 ...
6
votes
3answers
21k 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 ...
5
votes
1answer
3k views

How do captive portal network connections work?

Internet access at hotels, airports cafes is often gated by a captive portal which forces you to a particular web page on first use, for example a payment page or some page to accept a terms of ...
4
votes
6answers
4k 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
535 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
vote
2answers
179 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 ...
4
votes
3answers
13k 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
3answers
9k 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 ...
3
votes
4answers
785 views

WiFi planning tool [closed]

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 (...
13
votes
4answers
34k 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 ...
8
votes
3answers
2k 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
3k 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
543 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 ...
7
votes
5answers
2k 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), ...
7
votes
2answers
5k views

VLAN for WiFi traffic separation (new to VLANing)

I run a school network with switches in different departments. All is routed through to a central switch to access the servers. I would like to install WiFi access points in the different departments ...
5
votes
4answers
9k 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
6answers
15k 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
1answer
14k 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 ...
2
votes
2answers
8k 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
4answers
5k 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 ...
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
2answers
7k 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 (...
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 ...
2
votes
1answer
999 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
10k 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
2k 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 ...
2
votes
4answers
16k views

How to hack airport extreme to support USB 3G modem? [closed]

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, ...
4
votes
2answers
26k views

Windows 7 - wireless connection sharing [closed]

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
2k views

D-link DAP-2590 VLAN configuration

So we have been fighting this issue for well over a year. It's been so long that I am having to relearn the configuration today. Here's the situation. We're running several D-Link DAP-2590's with ...
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
6answers
5k 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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
746 views

Do all captive portal solutions work the same way? (cookie, vs MAC address, vs other?)

While traveling and having to interact with a number of broken captive portal implementations I've overheard other passengers having usability issues with iPads, Phones, computers depending on the ...
1
vote
0answers
134 views

Wireless Bridging two Sonicwall Firewalls

We have two sites (essentially two small buildings side by side but we are unable to run CAT5 cable between them) which are currently linked via a wireless bridge. We will be splitting the sites so ...
1
vote
5answers
568 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
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 ...
0
votes
2answers
576 views

Access Domain over Wireless

I have an active directory server and all hard wired clients connect perfectly fine. However any wireless clients do not recognize that they are connected to the domain, despite the dns server being ...
-1
votes
1answer
296 views

Wireless Client (Laptop) unable to connect to domain (windows server)

I have established a server in the office using Windows Server 2008 R2 and Active Directory. And then created several users in Active Directory Users and Computers. The PC users can successfully join ...