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Questions tagged [wifi]

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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Sharing wifi signal without internet signal

At live events with 20+ wifi signals, I often find I can't get my iOS devices (iPod Touch and iPad) to stay connected to my wireless networks. Simply put, the devices connect and have reasonable signal strength + bandwidth, but after an…
Davek804
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clone ip and mac addr on wlan

what will happen if i clone another pc on a wlan network? consider the following scenario. PC1(victim) mac1 ip1 PC2(attacker) mac2 ip2. I set mac2 = mac1 and ip2 = ip1 i ran the following script on PC2 #!/bin/bash ifconfig wlan0 down macchanger…
george
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How can I 'link' one ethernet Network with a Wireless Network? (Linux)

I have: WiFi network with SSID=Network1 (running its own DHCP Server and connected to internet). Computer1 with 1 ethernet interface and 1 WiFi interface. Computer2 with ethernet interface. My computers are all running Linux. I would to connect…
fazineroso
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Find wifi enabled devices [stations] around

Imagine this situation that there are some smartphones and computer around with their WiFi adapter (wireless adapters) on, but not necessary connected to a network. Is there a way to look the MAC addresses via a Linux machine? Any insights are…
Shotor Savar
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What limits the number of clients that can connect to a wireless router?

After browsing serverfault and superuser for a while, I have noticed many posts about wireless router connection limits such as this one and this one. The sane limit for a router (without dropping connections excessively) seems to be around 40 (at…
Snakes and Coffee
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Correct antenna types for 802.11g wifi point to point network link

I maintain a work network that at one point bridges a gap between two buildings wirelessly, while also descending from the 4th floor to ground level. The AP is at the top and connects to the internet connection, and the client bridge at ground level…
Halle
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Counting towards maximum hosts in an enterprise WiFi network

If you have an enterprise WiFi network of about 100 APs where LWAPP/CAPWAP is used and all APs and controllers are in the same management VLAN. If you're counting hosts in the broadcast domain to find out if you should segment your network, only…
Lars
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wireless network for about 100 clients using home-grade equipment

Possible Duplicate: Can you help me with my capacity planning? Let me say that I have already read a similar question here - High client density, low cost wifi network? However, I do not have very low budgetary constraints. However, I am in India…
Sandeep
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Wifi Signal Strengths

I hope that I have asked this question in the right topic. Basically I use BT (In the U.K.) and I have problems with my router receiving a weak signal in certain rooms of the house, which, therefore makes the internet really slow in some cases it…
Phorce
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What would cause a wired vs wireless speed difference of 16mbps vs 9 mbps?

Tested via speedtest.net I've set my wireless router to be b/g/n mode (there's no n-only mode on my router). And I am using a USB stick (N, not G) on on PC and an internal wireless on another laptop running XP Pro.
user1008636
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Multiple access points in a switch

I was wondering if I can make a network like this: ISP direct fiber connects to modem that connects to firewall. Firewall connects to router. Router connects to switch(24 ports) that connects to (20+) access point. Is there is need for a…
carmenmoha
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Why is hostapd not working?

I have been working on getting hosapd work for some time. The guides I have followed will be attached on the bottom. So first things first. As far as I can tell, my network card does support AP mode. Please correct me if it…
user1048138
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How to detect a andorid phone connected to my network?

I want to detect all the android phone connected to my network by a wi-fi. I have used nmap but it is not showing any specific detail to get the android .can any thing is there by which I can detect at least a android is in my network. Thanks
pradiptart
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How does a device search for available wifi networks?

Say you have a wifi device (D) and a wifi router (R) that have never shared radio waves before, and are within range. How does D discover that R exists? Does R constantly broadcast a message with its MAC, SSID, etc that D will eventually passively…
Keith
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How to create a separated network to customers only?

I work in a company where we have a network ethernet and wi-fi, we would like to create a network where our customers could access our network but don't have access to our computer network. This access would be internet only, nothing more. The…
Valter Silva
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