A wireless network is any kind of computer network that is connected through a wireless medium, primarily known as using a wireless router creating a WLAN (Wireless Local Area Network).

learn more… | top users | synonyms (6)

14
votes
4answers
16k views

How to sniff for wireless MAC addresses in area - My laptop got stolen

A few days ago my apartment got broken in, and they took all the electronics, including my $1500 laptop. We are pretty sure it's an inside job (as in someone from the same building), so I believe ...
13
votes
5answers
46k views

Wireless vs. Wired: which is faster?

I have the option of hooking up my machines to the internet either wirelessly or via ethernet cable (wired). I'm curious as to which is faster; the approximate wireless signal strength (average) is ...
13
votes
4answers
1k views

Can long range Wi-Fi work if one end of the connection is not using a high-gain antenna?

I am trying to understand how long range Wi-Fi works. As far as I know, Wi-Fi consists of Tx and Rx. When a laptop is connected to an access point (AP), the laptop is able to receive data from the AP ...
13
votes
3answers
65k views

Difference between Ethernet splitter and switch

I have one Ethernet port that is wired directly to the router on another level. However, I want to run a desktop and a server both off this one Ethernet port. Can anyone tell me the difference ...
13
votes
3answers
9k views

500 Mbit/s powerline network, only 3.5 Mbyte/s transfer speed?

I have a TP-Link 500 Mbit/s Gigabit Powerline Adapter linking two computers (one Windows Vista and one Windows 7) in different rooms in the house. As in: Computer <-Ethernet ...
13
votes
4answers
3k views

Negative ping time?

This is the first time I've seen this and I'm not sure what it means; 64 bytes from 74.125.93.99: icmp_seq=6233 ttl=53 time=545.493 ms 64 bytes from 74.125.93.99: icmp_seq=6234 ttl=53 time=776.093 ...
13
votes
7answers
28k views

Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
12
votes
14answers
31k views

Windows 7: Wi-Fi connection drops intermittently - only returns after “Troubleshoot connection” resets the adapter

On our laptop (running Windows 7) the Wi-Fi connection drops intermittently. Symptoms: Connectivity is suddenly lost, and the "signal strenght" indicator in the tray shows zero strength and a yellow ...
12
votes
2answers
2k views

How can I detect unauthorized access on my 802.11 g/n network?

I am using a wireless network and I want to make sure that no unauthorized users are connecting through my access point. I am using the standard encryption the device supports. I know it is a ...
12
votes
4answers
22k views

How do I configure my Linksys routers to resist the WPS brute-force vulnerability?

US-CERT recently released Vulnerability Note VU#723755. http://www.kb.cert.org/vuls/id/723755 In short, this describes how modern wireless routers can have their PSKs discovered within just a matter ...
12
votes
2answers
14k views

How do I decrypt WPA2 encrypted packets using Wireshark?

I am trying to decrypt my WLAN data with Wireshark. I have already read and tried eveything on this page but without any success (well, I tried the example dump on that page and succeeded, but I fail ...
11
votes
9answers
5k views

Are routers limited to number of devices?

I'm going to buy a new router, but, I've just realised that for nearly all routers I've looked at (Belkin, Netgear, D-Link) don't state the maximum number of devices which can connect concurrently. ...
11
votes
7answers
5k views

Why is MAC-based authentication insecure?

Most wireless routers can use MAC-based authentication as part of their overall security scheme. It seems like a good idea, but I've heard that it is very ineffective, because it's easy to spoof MAC ...
11
votes
8answers
52k views

Can you explain how to understand what the 'iwconfig' command displays in Ubuntu-9.04?

I'm having trouble making my wireless connection work, and I realized I don't really know how to use the tools I have, in this case, the iwconfig command in Ubuntu-9.04. Here is what I get: ...
11
votes
4answers
5k views

Disable WLan if Wired/Cable Network is available

The question says it all. All i want is that my W-Lan connection should be disabled whenever a wired connection is available. What would be the easiest way to do that in Ubuntu/Gnome? In all guides ...
11
votes
3answers
35k views

What's DMZ used for in a home wireless router?

As far as I understand, by using DMZ you expose all of the host computer's ports to the Internet. What's that good for?
11
votes
4answers
45k views

Tethering on Windows 7?

Is there an option in Windows 7 (or 3rd party) to offer Tethering (that is, act as a WiFi hotspot while being connected to a WiFi network?)
11
votes
4answers
3k views

Automatically prefer Ethernet over WLAN

Is is possible to force IP connections over the wired ethernet if it is connected and over wireless LAN if the wired ethernet is unavailabe (e.g. cable disconnected). Both network connections would be ...
11
votes
1answer
17k views

Whats the significance (if any) of wifi channels 12-14?

I have a couple of devices that appear unable to see my router's WiFi signal when its put up on channel 12, 13, or 14. Some newer devices work fine without any problems. Others cannot see the signal. ...
11
votes
2answers
660 views

Playing large video files over wireless network. What technical specification should I look for when buying wireless router?

I have a Windows 7 desktop with a folder shared out joined to a wireless network. I regularly use my Android tablet (also joined to the same wireless network) to play video files that ranged from 1GB ...
11
votes
2answers
12k views

Do different positions of the antenna on a wireless router make any difference?

Often, the antenna of a wireless router can be moved in many directions. Does it make a difference as to which way it points? Should it point toward the device(s) using it? Should multiple antennas ...
11
votes
1answer
1k views

Why does my microwave kick out the internet

I have had a standard Internet setup in my home network for many years and my router is set to 2.4 ghz but I just recently got a new microwave and every time I use it the Internet seems to kick out ...
11
votes
6answers
17k views

What angle is optimal for the antennas on my wireless network card?

I'm sharing a house with some friends and I'm in the bedroom right up in the attic. The router is right down on the ground floor and I get connectivity issues. I've found that if I adjust the two ...
11
votes
3answers
14k views

Share a Wifi connection through wifi on Mac OS X

I have a WiFi connection and I would like to share it through my WiFi card to computers. For some security reason, it seems that only one device can access the WiFi connection directly. This is why I ...
11
votes
4answers
9k views

Windows 7 Automatically Connecting To Unsecured Wireless Networks On Startup

Most of the questions on this topic related to folks connecting to somebody else's wireless network when their own was available and could remedy the situation by going to their connections and ...
11
votes
2answers
67k views

How to monitor bandwidth use of each device on wifi network

I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless ...
11
votes
3answers
4k views

Windows 7 machine makes router drop ALL wireless connections

Some background: My home network consists of my desktop computer, a two-month old Windows 7 (x64) machine which is online most frequently (N-spec), as well as three other Windows XP laptops ...
10
votes
7answers
2k views

Do two computers connected on the same wifi have the same ip address?

This question might look stupid but I wondered if two computers connected on the same wifi have the same ip address ? (e.g my dad's computer and my computer, at home) If so, how does the outside ...
10
votes
7answers
25k views

File transfer speed over Wifi 54g?

What's the maximum transfer speed you get, (or I can get) for files transfer between two wifi-connected computers ? Im on computer A trying to copy a big file from computer B, they are side by side ...
10
votes
6answers
2k views

Displaying ads over WiFi hotspot [closed]

I have recently distributed my WiFi network with highpseed antennas to my area which covers almost 300-400 peoples. I am not charging them anything but i would like to generate some revenue through ...
10
votes
3answers
3k views

How do multiple SSIDs provide security?

If the ADSL modem router provides multiple wireless SSIDs how does this offer security? Is it possible to have multiple subnets with SSIDs?
10
votes
3answers
10k views

Should I Upgrade My Old Wireless Router?

I have an old wireless router, and I mean stone age old (5 years). There is nothing wrong technically with the router, it serves my wireless needs at home but it is really darn old. A search on ...
10
votes
3answers
9k views

How to give preference over one network connection over another?

Like most laptops, it has both both ethernet and wireless networking options. Likewise, I have a wireless router with 10/100/1000 Mbs. 90% of the time, wireless speeds suffice. But once in a while, ...
10
votes
1answer
3k views

Providing passwords to multiple users on a wi-fi network

I have a wi-fi network that is being used by more than 400 users. Right now they are given access by a single password which the system administrator types on the individual workstations during the ...
10
votes
4answers
19k views

How to take advantage of two Internet connections (WiFi / Wired)?

I have two separate internet connections, one through WiFi and other Wired. However, generally I have observed that Windows try to use only one ( mostly faster one/ Or Wired by preference - I am not ...
10
votes
4answers
8k views

If a computer is connected to internet via wireless and lan both, which way Internet traffic would flow?

How does this actually work? How different ip addresses on ethernet adapter and wireless adapter are handled for internet data? I know these ip are translated in NAT table but the whole process ...
10
votes
1answer
21k views

Windows 7 - Wireless connection before login possible?

Is there a way for Windows 7 to connect to a wireless network before a user has logged in? I have found no good answers to this question elsewhere. Some say it should already be happening if I am ...
10
votes
5answers
4k views

Set Ethernet Network as Metered Connection in Windows 8

Windows 8 introduced a new feature which allows users to set any Wi-Fi network as metered so that they can check their bandwidth usage: [img credit] But, it doesn't allow users to set any Ethernet ...
9
votes
4answers
2k views

Flatmate uses torrents, will this slow the internet connection?

I share the internet with two other people and I know one of them uses utorrents and is constantly downloading. When her computer is off the internet is substantially faster, would this be because of ...
9
votes
8answers
2k views

Which methods help to improve wireless signal?

My router is in my family room, and there's not much I can do to move it, it's in the corner of the house. My room and computer is upstairs and I only get a signal strength of about 17 percent while ...
9
votes
5answers
16k views

How does Windows 7 decide which route to take if 2 connections to an internet source exist? (e.g. a Wireless and an Ethernet one to a router)

How does Windows 7 decide which route to take if 2 connections to the Internet exist? (e.g. wireless versus wired)
9
votes
6answers
13k views

Which is faster? A 10/100 switch or wireless-n?

If I have a wireless n router with only a 10/100 LAN ports. Where does the bottleneck occur? At the transfer speed of wireless n or the 10/100 transfer speeds?
9
votes
2answers
4k views

Should uploading a file on DSL kill the download speed?

I have the 20,127/893 Kbps service through CenturyLink DSL. I've ran speed test and it typically reports speeds close to that. Except whenever I upload something substantial. Like a video file to ...
9
votes
4answers
8k views

Difference between wifi router and access point?

I see both terms used, and I was wondering what the difference is between a wifi router, and a wifi access point. Does the latter only create a LAN, with no way to connect the wifi box with a second ...
9
votes
3answers
676 views

Can I hide a wireless network

Is there any way to "not advertise" my wireless network to the world in Windows XP SP3? I'm not relying on this for intrusion security. I've read the article. My wireless network has WPA2 with a ...
9
votes
4answers
20k views

Is bluetooth tethering slower than Wifi?

I'm tethering a Galaxy Nexus (running Android ICS) with my Macbook Pro (2009 model, running Lion). What's the difference between bluetooth and wifi tethering in terms of: latency bandwidth power ...
9
votes
2answers
26k views

How can I force Windows 7 to give my LAN (wired) conection priority over my WiFi?

Given the choice between my LAN (wired) and my WiFi connections, my Windows 7 PC gives priority to the WiFi - how can I make it prioritize the LAN connection?
9
votes
3answers
8k views

Wired to wireless bridge in Linux

I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)... interface=wlan0 bridge=br0 ...
9
votes
6answers
2k views

Wireless Signal Strength

I have a real problem that I've been troubleshooting for a friend that has really left me clueless. My friend recently had a laptop die on him and instead of buying another laptop he had me build him ...
9
votes
4answers
26k views

How can I connect 2 windows 8 machines with WiFi Direct?

I noticed I have a WiFi direct network adapter in Device Manager. Did a bit of research and it provides peer-to-peer communication between two devices using WiFi. I searched on how to treansfer files ...