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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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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3answers
205 views

Access points fighting for dominance?

We have a small office with a large number of wireless devices (a mixture of desktop machines, laptops, and wifi-enabled phones) all working from a single Apple Airport Extreme which extends our wired ...
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2answers
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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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98 views

Delayed internet access

When I (and presumably my users) first start up or log in to my computer I can't get internet access until several minutes after logging in. Internet pages like serverfault.com will time out. During ...
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3answers
4k views

Adding a Second Wireless Router to an Existing Wired Network

I apologize ahead of time, I know this has been asked before, but I'm still having problems...maybe you guys can help. I started out with the basic instructions from the highest-voted answer at ...
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3k views

What is the best way to setup a public and private wireless access point on the same home network? [closed]

For my home network (with internet provided from a cable modem) I would like to setup a secure wireless access point that I use for all of my personal connections (home PC, iPhone, Xbox, etc) and also ...
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2answers
879 views

8021x wireless clients auto connect prior to user login

I am using a 2008 r2 dc that also performs Radius (NPS), I also have a 2008 r2 certificate authority which is giving out certificates. The computers are getting the certificate and when a user logs ...
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1answer
966 views

Can a wifi AP act as a client, and a server at the same time?

I feel this is SF worthy (as opposed to SU) as I go into a bit of detail on gateways/routing. Here's my ideal setup (if possible) -- there is a wifi network (lets call it bob's) with which I ...
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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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3answers
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Display wireless channels currently in use

Is there any windows utility to display the wireless channels are currently in use by the available wireless networks? I'd like to be able to see what existing channels are using so I can try to ...
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2answers
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Macs don't connect to wifi access point but PCs will

So, as a side project I'm going to try and figure out why the wifi APs in my building exhibit the following behavior: - They typically allow all types of computers to connect without issues - ...
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3answers
117 views

Can an external server be used to encrypt all traffic

My work takes me to a number of places with WiFi connection. I want to be able to encrypt the traffic between my laptop and the internet. Can I do this with a VPN server? What is the best way to get ...
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1answer
661 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 ...
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1answer
159 views

Wireless AP Placement and Digramming

I'm trying to research the best placement of wireless APs in a given space, and I'm running into problems in gathering information. I found (what I thought was) a great source in this tech republic ...
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4answers
372 views

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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2answers
5k 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 ...
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2answers
3k views

Cisco Aironet (802.11n models): how to put a WEP128 ssid and a WPA/WPA2 ssid on the same radio?

I'm using a Cisco AIR-1252AG (IOS 12.4(10b)JDA3) and I must provide both a WEP128 wlan (for compatibility with older embedded devices, this will go to a firewalled vlan) and a WPA2 (WPA1 would be ok ...
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Sonicwall TZ 210 Enhanced OS - Allow Wireless to talk VPN

Does anyone know how to allow the WLAN access to talk to a VPN subnet that is set up on a Sonicwall TZ 210 Enhanced? I got the WLAN (192.168.2.X) talking to the LAN (192.168.1.X), but I also need to ...
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2answers
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command line utility to connect to wireless network

Can any one tell me a command line utility to connect to a wireless network in Windows XP. I cannot use netsh wlan as this is not supported in XP. Is there any open source command line utility tool . ...
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2answers
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Property Management Company looking to set up VPN for Tenants

We are a property management company seeking the best way and most affordable way to set up a VPN for our tenants in both a 2 & 3 story (22 units) apartment complex and also for a cafe in a ...
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2answers
1k views

Linux: Bridge doesn't forward if interface is WiFi?

I have an Edimax EW-7318USg which comes with an Ralink rt73 and its USB. When trying to bridge (to share internet for example) it doesn't work. But today I tried to do the same with a wired ...
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1answer
258 views

Full Motion Video over Wireless Projection

I'm looking for a solution to get graphics from a tablet to a projector wirelessly. The idea is to have the professor connect to the the solution and then connect to a network share, load their ...
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14k views

Questions about overlapping wifi access points

I have a few questions about wifi. Say we have a small campus with a set of wifi access points in most buildings, one each for channels 1, 6, and 11. It's not exactly that clean, but that's the ...
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3answers
830 views

Wifi activity monitor

I'm looking for a tool that will summarize WiFi traffic per node. I'm not looking for fancy things like packet sniffing... the actual data that's being sent is irrelevant. I want a way to see that ...
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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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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 ...
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2answers
229 views

Security tips for adding wireless AP to domain network?

I am researching best-practices for adding wireless to our existing domain network. My DHCP server is running Windows Server 03 Standard (not sure if thats useful). I am familiar with simple home ...
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2answers
4k views

Limit speed/client over wireless network with dd-wrt

How would I setup my LinkSys WRT54GS v7 with dd-WRT installed on so that I can limit the download/upload speed of each client over the wireless network? (I don't want any guys to be able to download ...
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4answers
284 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
117 views

Can’t get IP address from range expander on SOME devices [closed]

(Migrated from SuperUser.com due to complete lack of answers!) I installed a Linksys WRE54G range expander. It's working fine with my Windows 7 laptop, but not so much with my Palm Pre and my Ubuntu ...
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5answers
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Linksys WRT54G - Which firmware is best for sharing internet connections with several seperate offices?

I am looking into buying a Linksys WRT54G series to use as my router, DNS and Firewall. I would like to be able to share my internet connection with a couple of other small organisations too and have ...
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3answers
293 views

How to secure adhoc networks

What is the right way to secure adhoc networks? WPA_NONE is a cruel hack (doesn’t work most of the time, discards important packets, ..), WEP is not secure and Open… open is open. IPSec is a level to ...
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How To Monitor Home Wireless Network Connected Devices Bandwith [closed]

(Originally posted on SuperUser, not sure if it might be better suited here) I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from ...
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149 views

2wire router - every 600 seconds latency jumps up for 110 seconds

Exactly every 600 seconds (10 minutes) my 2wire 2701HG-B has latency go from around 15ms to between 400ms and 800ms. This lasts for between 108 seconds and 113 seconds averaging 110 seconds. This is ...
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1answer
275 views

Netgear Router missing Wireless Configuration Menu Link

I have a netgear wi-fi router DG834G v3. On it it says it's a wi-fi, adsl 2+ modem, switch, etc. There is an antena on the back and a wi-fi indicator on the front. However, when I connect to it via ...
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517 views

How to print Leopard 10.5.8 (w/Epson on Netgear WGPS606)

I am trying to access my Epson Stylus Photo R1900 which is connected to my Netgear WGPS606. I am currently running OSX 10.5.8. I was able to print directly from my machine without any problems and I ...
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3answers
219 views

Can I get the Network Adapter type (wired / wireless) from its MAC address?

I know I can get the card manufacturer ID from the MAC address, what about the "type" ?
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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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142 views

Voice / data connections between 2 portacabins ~50m apart

Our business is taking over some new premises (currently housing multiple companies) and for at least the first year will be operating out of a pair of portacabins, around 50 metres apart. Users in ...
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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 ...
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1answer
214 views

Wifilink 5100 AGN mass update

We are using a Meru enterprise wireless network with 180 APs. Recently, many users connections are dropping frequently. After much troubleshooting, we have determined much of the trouble is due to ...
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4answers
1k views

Advice needed: ADSL and VPN for a small company

I need advice on purchasing an ADSL modem/router for a small company. At the moment, we are using the iBurst Wireless service for internet connectivity. I have the iBurst desktop modem, which ...
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2answers
415 views

Lan on Wifi, internet on 3g Windows 7

I'm using Windows 7 and I'm currently without DSL because we've just moved. I'm using my iphone tethered as a 3G modem but whenever I turn on the wifi I'm unable to browse the internet. How do I ...
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1answer
188 views

Centrally Deploying a wireless SSID

So I want deploy a WPA2-Personal SSID that our managed clients will already have the network settings setup for(windows vista and windows 7 x64). I also want to deploy the network configuration via ...
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6answers
132 views

Vista wifi speed issues

I have 3 identical Dell Vostro 200 slim desktop machines running Vista on the same wifi network. One of the machines has developed an issue where its wifi connection is very slow; webpage loading ...
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3answers
523 views

Local DNS doesn't work over Wireless

We have a local office network running through Windows Small Business Server 2003. All computers connected to the LAN work fine, and are able to connect to the domain controller and network shares ...
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1answer
1k views

How to use the mode master with the ath5k driver?

In this page, they says that we can use the AP mode with the ath5k driver since linux 2.6.31 I am using Ubuntu Karmic with : linux 2.6.31-16-generic I would like to share my eth0 WAN connection ...
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7answers
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What is the fastest way to connect two separate networks within two separate buildings?

We have two buildings that are across the street from each other. Each has their own separate network. We needed to connect them together using a fast connection because of the large number of files ...
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1answer
1k views

Cisco 4404 Wireless Controller Load

I'm not a Cisco admin, so this is a little out of my depth. I'm trying to troubleshoot what seems to be a congestion problem on a wireless network. We have an access point outside one room that is ...
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817 views

welcome page via wireless internet

i want to make welcome page if users are surfing via my wirelesss connection for example user come to my resturant with his iphone and search for wireless networkrs the user see the resturant ...