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.
Questions tagged [wifi]
1286 questions
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Meraki wireless access point disconnects clients
We have a Meraki MR16 Cloud Managed AP and it disconnects certain clients. The clients with Intel wireless cards work without any disconnects. The Meraki reports the follow in its event log:
Sep 4 09:55:47 WPA authentication
Sep 4…

resolver101
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Best security practice for small networks - wifi, lan,
We regularly setup small networks for clients in different locations to allow them to work on different products now the question what should be the best security practice.
Currently we have a wifi enabled with WPA2 and most laptops connect to this…

Grimlockz
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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 feet away, up one floor, in order to have…

EJB
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Advise on a 240,000 sqft outdoor wireless network
I'm looking for an idea of what qualities to look for in the equipment for a wireless network that covers the entire area of an outdoor arena. The area is rectangular-ish in shape. 400ft wide and 600ft long. It has 6 light towers, 1 on each of the…

jeeshofone
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Windows 7 network fallback from LAN to WiFi
Is it possible to make Windows 7 connect to an available WiFi network automatically only if LAN is disconnected? The only option I see right now is that Windows connects using both LAN and WiFi. This is undesirable because my router limits the…

gnobal
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Does anyone use DD-WRT/OpenWRT etc. at their office?
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 one of the risks is limited support but the cost…

hyperslug
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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 typically have about 30 devices per access point, but…

Joel Coel
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Jumbo frames with wireless client
I currently have the following network configuration
Apple Time Capsule (Gigabit Ethernet router)
2 Windows desktop wired with Gigabit ethernet
1 MacBook Pro in wireless N mode
1 iPhone (obviously wireless)
I bought a NAS and a Gigabit switch to…

Fabio
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Determine the wireless network name from command-line in Linux
I use my personal laptop at both home and work and in both cases I mount nfs shares.
I would like to automate the mounting of these shares as they are done every time I turn the laptop on.
I can't make it a normal start up command to be run, because…

Aglystas
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Very strange home router problem
For a long time now I've had a very strange problem with my wi-fi network at home. I have a BT Voyager 2100 ADSL modem and an iMac, ageing PowerBook and a PC that connect to it wirelessly. The problem is that I can never access a small number of…

John Topley
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WPA2 Group Key Renewal -- Will connection be dropped?
I used to set my WiFi security using WEP to support legacy WiFi dongles that can't handle WPA (or other new encryption scheme).
Recently, I've dumped those old dongles and got new ones. I am now moving to WPA2.
While setting up WPA2, there is a…

Ian
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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 putting it to sleep not worth it)

Arnold Spence
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I need to setup a Guest wi-fi SSID so customers/clients can connect to the internet, what's the best way to do that?
What are the best options out there to be able to provide a guest wireless internet access so they can't see the rest of devices in LAN?, what's the best and also cost effective appliance that will do that?

Terumo
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Wireless Hotspot Security
We have concerns about our staff using wireless hotspots to connect to our LAN. We use a VPN to connect to our network and they can then transfer data using a proprietary application. What little web browsing they do is directed to our proxy server…

Chris
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Why do some Wireless Access Points cost so much more than others?
Here are three different Wireless Access Points with similar specs:
$875 CISCO AIR-AP1252AG-A-K9 Wireless Access Point
$150 NETGEAR WNAP210-100NAS Prosafe Wireless Access Point
$49 TP-LINK TL-WA901ND IEEE 802.11b/g/n 300Mbps 3 antennas Wireless N…

Portman
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