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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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 ...
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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 ...
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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 ...
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2answers
232 views

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 ...
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9answers
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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 ...
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1answer
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Adjacent channel versus co-channel interference

What is the difference between the two in terms of affecting signal strength or performance? Where I work, everything is on channel 1 6 and 11 for the 2.4GHz spectrum and I've been told that ...
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7answers
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How many simualtaneous users can WRT54G handle?

I am need to setup wifi connection for an expected audience of 100 users connected via Laptops. I currently have 3 802.11 G routers, that are all designed for home usage such as the WRT54G APs. Google ...
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8answers
367 views

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 ...
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4answers
147 views

What are possible reasons for wireless network issues?

I work with a startup incubator, who is regularly experiencing issues with their internet connection. Are there any red flags with the current setup that it inadequate? 100/50MBPS broadband ...
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2answers
134 views

Is there a piece of equipment that connects to a wireless network and provides ethernet ports to clients?

Is there a piece of equipment that connects to a wireless network and provides ethernet ports to clients? I have an existing wireless network, and I would like to plug a bunch of machines into a ...
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4answers
274 views

Purposely setting poor Signal Quality on my own WiFi

I would like to measure how different applications will perform under poor Signal Quality. Where Signal Quality is measured by: Signal / Noise * SNR = Signal Quality -80 / -90 * 10 = 8.9% ...
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1answer
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Cannot get Motorola MC3190 to associate with WiFi access point

Using the Wireless Fusion management tools for the Symbol / Motorola MC3190, we cannot get the handheld to associate to the WiFi access point. Using the Find WLANs feature in the Fusion software, we ...
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Solution to wirelessly project tablet desktop?

I’m trying to find a device that would allow a windows 7 client to wirelessly connect and display their screen to a projector while still connected to the wireless network. The idea is to allow a ...
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2answers
375 views

Creating a network link between 2 very close buildings

I have a charity who have two adjacent medium sized modern detached houses (in the UK): the buildings stand next to each other and are less than 5 metres apart. They have DSL connected to a single ...
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6answers
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Why would you use EAP-TTLS instead of PEAP?

As I understood EAP-TTLS and PEAP share same level of security when implemented in wireless networks. Both only provide server side authentication via certificate. The drawback of EAP-TTLS can be ...
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2answers
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Should I be on different Channels for this WiFi network?

I'm not sure if our 3 routers, in our wifi network, should be on separate channels (so each can maximize the bandwidth per channel) ? Our office is networked via WiFi. It is in the shape of a 'L' ...
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2answers
254 views

need help upgrading small business wifi network

Our small business currently has 3 wireless access points around the building, each with their own SSID. Security is done with WEP (ick) and MAC address filtering (double ick). We are trying to ...
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3answers
351 views

How to get decent WiFi despite a virtual Faraday cage

One of my clients is the local branch of an international airline. They have a small office in the secured area behind the ticket counters, and timeshare space at the ticket counter. I need to add a ...
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2answers
377 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 ...
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735 views

Aironet 1200's Auto-Channel Feature: When should it be used?

In our building we have around 25 1200 series Aironets, with a bit of overlap in some areas. Up until this point, we have had them deployed in alternating 1/6/11 channels, but we are wondering if we ...
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4answers
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Troubleshooting wireless connection problem / site survey?

I just started in the IT department of a small company (200 users) and it's clear that one of the main problems that is driving everyone crazy is the spotty nature of the wireless connectivity ...
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3answers
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Is there any open source solution for controlling multiple Access Points from a central server?

This question stems from an answer to one of my previous questions. In that answer, Oskar Duveborn says the following: Most likely there are some open source alternatives perhaps with custom ...
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Networking problems in VMWare with wireless bridge

Barebone data: virtualization: VMWare Workstation 6.5 (latest) Host: Windows Server 2008 x64 Guest: Windows Server 2008 x86 Host network adapter: Ethernet (see comment) Host network adapter: ...
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8answers
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What's better than wifi to connect servers wirelessly (ethernet-like latency)?

I need to connect some servers wirelessly and would like to know what other technologies (than Wifi) exist to get an idea of the possibilities. It would nice to know the pros/cons, limitations. ...
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6answers
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Is WEP used in conjunction with a wireless access list adequate security?

I use a Netgear wireless router, with various wireless devices connecting to it. One of my wireless devices doesn't support WPA2 security, so I had to downgrade the security on the router to WEP. We ...
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4answers
272 views

Troubleshooting wireless network in a 4000 square feet office

I work for a non-profit organization in a 4000 sf office with 30 staff. All laptops are connected to the network wirelessly. We have one switch (TP-Link TL-SF1008D Ethernet Switch) and three routers ...
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Can a wireless router be used as a range extender?

Is it possible to setup a second wireless router at the edge of another wireless routers range limit, and extend the networks range? Edit: It will be used in a home environment, so money and space ...
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Troubleshoot dropped wireless connections

I was recently hired in the IT department of a small company (~180 users) and one of the issues that people have been complaining about is having their wi-fi connections drop during meetings. The ...
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5answers
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Have Ubuntu auto-connect to wireless AP without logging in

We have an ubuntu box set up to do some monitoring but due to the placement are unable to run CAT5 to the box itself. I have an Atheros PCI card that works great as long as someone is logged into ...
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3answers
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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 ...
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6answers
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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 ...
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3answers
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How strict is line of sight?

The college where I work is wanting to expand our network connection out to the field house building, located about 1/2 to 3/4 mile away from the rest of campus. I'm looking at one of these as a ...
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Will MAC filtering increase Wifi security?

I've always thought that you should enable MAC filtering to increase Wifi security (in addition to using WPA2). Now I've found this article (Wireless LAN security hall of shame) that says MAC ...
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How should I secure a corporate wireless network?

We are implementing a new WiFi network at my work, and I am trying to think through a design of the security for the network. Use case 1: guests. We will have a captive portal setup, guests will ...
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Which SNMP variables to diagnose/characterise wifi congestion?

I'm preparing for a load test of a classroom wifi system. The pupils all turn on their laptops at the start of the lesson, which launches the web browser and then they start the lesson - which ...
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6answers
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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 ...
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3answers
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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. ...
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2answers
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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 ...
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1answer
342 views

How to define a “challenging RF environment”?

I'm shopping around for some new Wi-Fi routers, and the Cisco Aironets look pretty good. There are some differentiating features between the models; in particular, the 1260 is designed for ...
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2answers
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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 ...
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2answers
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Deploying Windows via SCCM 2012 OSD Wireless

We're looking at rolling out a large ammount of tablets on our network. We are currently trialling SCCM 2012 sp1 to see if this is the way forwards for doing this. AT the moment I have a working OSD ...
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2answers
364 views

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 ...
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2answers
1k views

How many wifi access points do I need for an event with 200 people?

I host an event that usually draws 200 people. It is held in a university lecture hall that holds about 260 people. How many/what kind of wifi access points/routers will I likely need to provide ...
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3answers
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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 ...
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2answers
325 views

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 ...
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4answers
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Are there any tests I can run on a network to simulate 100 heavy network users?

I will be hosting a Ruby on Rails workshop at a small hotel in the near future, and while they have 'Wifi' everywhere on the property, and the property normally hosts 150 - 300 people, I am not 100% ...
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1answer
340 views

How does an Access Point handle broadcast packets from the wired side?

I have an Cisco AP 1242AG autonomous AP connected to L2 switches. Let's say I have 100 wired devices each sending 2 broadcast UDP packets per second. Obviously these packets will reach the Access ...
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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 ...
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PCI Compliance: Wireless Analyzer that “Detects” rogue AP's on the LAN?

We're trying to fulfill the PCI Compliance requirement for a Wireless Analyzer that detects the presence of rogue AP's on the internal LAN. Questions: Are there a class of devices that will ...
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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 ...