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  • Is there a free program that can detect which device on my network is causing lag?

    - by malfy
    I'm on a small business network, and rarely we experience really extreme latency. I have no idea what device might be causing the lag, and wanted to know if there was a piece of software that could detect it. I know about some softwares like wireshark, which maybe do what I'm asking? If so it's too complicated to understand. I run the program and I have no idea what I'm looking at, or what parameters to give it. So something that can monitor traffic, as well as describe it in such a way that even a not so network savvy individual can interpret.

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  • Extremely poor WiFi reception on new desktop

    - by guy
    I just received a new desktop with a built-in WiFi card (Windows 7 Home Premium x64). However, I am only able to receive any WiFi signal when the computer is within 1-2 meters of a router. Even then, the signal is very weak (Windows 7 says it is "poor"). I have tried this with 2 different routers and see similar results. I have somewhere around a dozen other devices that can connect to both routers with greater signal strength (usually full strength) from much, much further away. When I tried calling support I was instructed to reinstall my drivers and attempt to change the WiFi channel of the router. Neither worked. I was then told that the problem was with my routers and that the computer was functioning normally and that it was certainly not a hardware problem. What would be the cause of this and is there anything I can do to fix it?

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  • How can I offer 2.4 ghz wi-fi in a building with strong interference?

    - by user49995
    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 frequent problems. When I switched to 5 ghz the problems went away. However, the 5ghz standard is much less accepted. And when clients come in, they want 2.4ghz. What can I do? How can I offer 2.4ghz wi-fi in an area with a lot of interference?

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  • Best usb storage for my router, Asus RT-AC66U?

    - by Jason94
    I have the ASUS RT-AC66U and I want to add a USB storage to it. It has 2x USB, and Im already using one for my printer. So the last one I want to use to attach a USB storage, and I've read some reviews stating the throughput of the USB could be up to 18 mb/s. So in regard of USB storage, should I care about hard disk cache? Simple powered-over-usb seems to have 8 mb cache, other (externally powered) has 16 for instance.

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  • Windows 7 keeps asking for WIFI credentials

    - by RubenGeert
    If I want to log onto our WIFI network, Windows keeps asking for credentials. After many connection attempts (and sometimes some reboots) we finally manage to connect. Then the connection usually stays intact for the rest of the day. But it sometimes takes 15-20 minutes before we're online... Needless to say we're using a single username/password for all failing/succeeding attempts. Does anybody recognize these symptoms? How to troubleshoot this?

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  • Public Wi-Fi and software updates

    - by coding4fun
    According to Microsoft, "Never update your software on a public Internet connection." So I have some questions. 1. What if a public Wi-Fi hotspot is the only Internet available, ever? Never update anything? 2. What happens if Windows or some other program is set to update automatically and attempts to do so while you are using a public Wi-Fi? Disable all automatic updates on all software? 3. Will VPN help to secure software updates? If so, how to go about it? Thanks.

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  • RTL8188CE doesn't connect to any wifi access points

    - by Drakmail
    I'm using network manager to connect. Also, tryed iwconfig. Results are same. I even try to connect to open access point — results are same. More information: Drakmail@thinkpad-x220:~$ lspci | grep Network | grep -v Ethernet 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) Drakmail@thinkpad-x220:~$ uname -a Linux thinkpad-x220 3.1.0 #1 SMP PREEMPT Wed Oct 26 02:19:49 UTC 2011 x86_64 Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz GenuineIntel GNU/Linux Drakmail@thinkpad-x220:~$ dmesg | tail -n 10 [ 846.901574] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin [ 906.812461] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin [ 966.728810] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin [ 1026.639676] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin [ 1030.925574] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin At this moment I try to connect to open wifi ap: [ 1031.252403] wlan0: direct probe to 00:24:8c:55:fa:ed (try 1/3) [ 1031.451943] wlan0: direct probe to 00:24:8c:55:fa:ed (try 2/3) [ 1031.651658] wlan0: direct probe to 00:24:8c:55:fa:ed (try 3/3) [ 1031.851354] wlan0: direct probe to 00:24:8c:55:fa:ed timed out [ 1086.544960] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin My distribution: Drakmail@thinkpad-x220:~$ cat /etc/*version AgiliaLinux release 8.0.0 (Sammy) (Something between Slackware and Archlinux). Also, I saw that wifi module to often trying to load a firmware file. Any ideas what it would be?

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  • Wi-Fi or Bluetooth to USB converter

    - by yerzhik
    Is there a device, that works without a driver, you just connect it as usb, and receive any signal sent to it as if it were COM Port wired connection? For example, such a device that gets data sent to it by Wi-Fi network or Bluetooth and resends it to the USB. Of course it has to be set up once (network name, password etc) and for this purpose you need a driver, but once it is set up, you can use it at any computer without a driver. I have a Bluetooth USB, but I think it can't work without a driver. By just connecting it to any computer you can't find it in device list on another bluetooth device (as phone, etc).

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  • DD-WRT - Where's the best place to get a LinkSys WRT54G V1.0?

    - by Giffyguy
    Looking for the initial release of the LinkSys WRT54G, not V1.1 or V2.0 or anything like that. If it comes with DD-WRT pre-installed, even better. That being said, I suppose a side question would be whether SU recommends different hardware. After all, DD-WRT may have been originally built for the WRT54G and the WRT54Gv1.0 may have better hardware than any of the successive models, but it's still fairly dated. Are there newer routers that are more stable or performant with DD-WRT?

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  • Network bandwidth usage dashboard?

    - by SkippyFlipjack
    I have a couple of wifi access points hooked up to my home network, one of which I keep unsecured for some development I do; there are only a couple other homes within range and they've got their own wifi so it's not a big concern. I also have a Sonos system, Tivo, Roku, a couple laptops, a couple phones, an iPad and a desktop machine, all of which are internet-smart. So when my internet bandwidth tanks and it takes five minutes to load a YouTube video, I want to know what's going on, and there are many potential culprits. I'd like to be able to plug my MacBook into the primary router and see a nice little dashboard of the units on the network and what kind of bandwidth each is using at that moment. I could figure this out from WireShark or tcpdump but figure there has to be an easier way. I've tried a few different commercial products but none really presented the right info. Suggestions? (This may be a question for superuser since my Apple Time Capsule's SNMP capabilities are limited, but I figure admins of small business networks would have dealt w/ the same issue..)

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  • Switched to new router and now experiencing lag?

    - by Mr_CryptoPrime
    I switched from a dynex-802.11b/g to a Netgear-802.11b/g/n just yesterday. My router is down stairs because my phoneline upstairs is retarded....but my PS3 is still upstairs (SOCOM: Confrontation is game I am experiencing issues). I have done everything I can to make sure the connection is solid and have checked the status and it has been as high as 80% and usually lingers at about 60%. I thought about upgrading my bandwidth from 1.5mbs to 7mbs, but I am guessing something is wrong if it worked fine before? Now the game seems more laggy and my voice chat is choppy. Others seem to receive my voice data fine because I can hear my own feedback clearly from other players (if you are in close proximity to another player and speak and there volume is loud enough sometimes you can hear yourself). I wonder if I port forward or setup DMZ then it will be fixed, but I am not sure and don't know quite how to do it. Has anyone else ever experienced this when switching routers? What did you do to fix it? Thanks!

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  • Can't access YouTube

    - by Agentleader1
    I can not seem to connect to YouTube at all. If I connect directly to YouTube (youtube.com) I get this: And if I try to connect via video directly (youtube.com/watch?v=), I get this: Here's how this isn't a web issue: I have malware on my computer I believe. And the question here is, how do I get rid of it, or what possible issue could this be? I can verify this is not a website issue or wifi issue, I've tried to connect on another computer in my wifi, and it worked. It is the local machine issue. I've tried to get rid of malware at my best and also have tried to disable possible virus extensions. All can out as the same result: no help. Also, I am unable to find these hiding viruses. I used malware-bytes and Microsoft Security Essentials. Edit: This is OBVIOUSLY Windows. I am currently running on a laptop Windows 7 Home Premium 4gb ram 64-bit os Lifebook series manufactured by Fujitsu America, Inc. Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz nslookup youtube.com:

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  • If the WiFi switched on, should it disable the ethernet? [closed]

    - by Peter Stuart
    My friend having problems with her laptop and I am trying to help her via SMS. She can't get her laptop connected to the internet via the Ethernet connection and there is no WiFi in the area. Could it be because her WiFi is switch on, she is using an acer aspire. If she manually switches it off could that allow the ethernet connecttion to work? Or is it a missing driver? The cable works fine as her someone else tried it. Thanks Peter

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  • How can I restrict my mates to stop downloading?

    - by user239295
    We are sharing an internet broadband connection with 6 users at a place we live. We get 20 gb fup ( Fair usage policy) with 2 mbps speed from the ISP after the 20 gb is consumed the speed comes down to 512 kbps very difficult to browse any page. The problem is we cannot track which user/mate is downloading and ending the FUP. it is very difficult to track so is there something that we can allot per user some amount of space like 2 gb of downloading or restrict all from downloading so that we can utilize all the fup till the end of the month. We are using this connection as wifi configured. A adsl router is configured as wifi and we all using all 6 laptops. No PC. Any help would be appreciated. I apologize if i am not clear with my question.

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  • how to switch played music when someone enters

    - by ymajoros
    My wife has a small shop, and she plays free licensed music. She can't legally play her own music when people outside of the family circle are present in the shop. How can I automatically switch music when someone enters? I was thinking of some bluetooth door detector and some custom software, but can't seem to find either. I'm a software architect/dev and can write it if necessary, but I'd prefer to use some existing solution. Any ideas on good hardware and software for this?

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  • Hotel like Wifi manager

    - by flpgdt
    Does anyone knows which are these systems that manages paid wifi networks and some hotels and airports? Even better, would anyone know a open/free project that would do or could be adapted to that end? The idea is simple, I want to let the network open at physical level so anyone can connect. After connected however, the clients would have access only to a specified page where they can logging in, and doing the necessary validations the router would allow these of those ports (or even everything) for his IP.

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  • How to restrict access to other Wifi networks in range?

    - by meetpd
    Is there a way to access connecting to other wifi networks in range? I have an office and there are few wifi networks in range. Some of them are not password protected and invariably I get connected to that wifi first. I have talked to the person who owns that wifi. But he is somehow not listening about adding password to his network. So, is there a way I can block that Wifi network completely so that I do not connect to it? I have Win 7 and Mac at my office.

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  • Mac OS X change IP configuration automatically by location (by Wifi network)?

    - by Seppo Sade
    Can Mac OS X be setup to automatically configure its Airport interface with a static IP address when connected to a Wifi network with a certain name, and on all other Wifi networks use DHCP? Currently I'm using the "Locations" feature of the "Network" section in System Preferences to manually switch between two IP address setups. I have a "my static IP" setup, and a default "DHCP" setup. However this requires entering System Preferences to change the Location drop-down each time when switching locations. Can this be automated? Preferably this would be done without third-party software.

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  • DNS issues on my iPhone

    - by mattalexx
    I'm trying to call up "https://m.google.com" on my iPhone on my home WiFi. It's saying Safari "cannot verify server identity" of m.google.com, then when I press Details, it refers to https://m.google.com as "mattserver". "mattserver" is the name of my development server, a Linux box on my home network. This stinks of DNS issues to me. Accessing the unsecure version of that URL ("http://m.google.com") gives me a blank page. What could be going on here? Is there a way to look at the logs of my router somehow?

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  • Sharing wifi connection

    - by andser
    I have some little problem while sharing wifi connection. I have 2 laptops. I need connection scheme like this: laptop1 [wlan0] >>>>>>>> laptop2 [wlan0] (in ad-hoc mode, as ap, etc) >>>>> laptop2 [wlan1] >>>> internet. laptop1 [wlan0] connecting to laptop2 [wlan0]. laptop2 connecting to internet through wlan1. Is it possible? OS: Ubuntu on both machines I tried this man (setting laptop2 wlan0 in ad-hoc mode): https://help.ubuntu.com/community/WifiDocs/Adhoc#Network_Manager laptop1 connects to laptop2, but can't access to internet.

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  • I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected

    - by Escobar Ceaser
    This is a Dell Latitude E6430. There is a setting in the bios to control this behavior and I have DISABLED it but it still happens. I am also running the latest bios. When I plug in a network cable the wifi adapter becomes disabled. I need it to stay enabled. What else could be making this happen? EDIT: The reason I need to do this is because with NETSH WLAN commands you can create a wifi hotspot by sharing the internet connection on the wired adapter and broadcasting a ssid on the virtual wifi nic. I do this all the time but it's not working on this laptop. I'm wondering if it's a network security thing where I am. I'm going to try from my hotel tonight and report back.

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  • An device with an unknown MAC address is connected to my router

    - by Yar
    There is a computer that is not mine that is accessible on my network. I can even access its filesystem via AFP. What I want to know is how the computer could get on my network. My network is secured like this: Does that mean that they've used password cracking tools? The pass is not easy to guess but not hard to figure out via brute-force hacking, I guess. If I am being hacked, should I switch to WPA?

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  • WIndows Hosted Network

    - by Nandakumar V
    I have created a hosted network in my windows7 system. The netsh wlan show hostednetwork command gives the output Hosted network settings ----------------------- Mode : Allowed SSID name : "rambo" Max number of clients : 100 Authentication : WPA2-Personal Cipher : CCMP Hosted network status --------------------- Status : Started BSSID : xx:xx:xx:xx:xx:xx Radio type : 802.11n Channel : 11 Number of clients : 1 xx:xx:xx:xx:xx:xx Authenticated But I have forgot the password for this connection and after some googling I found the command netsh wlan refresh hostednetwork YourNewNetworkPassword. But on executing this command it get the error C:\Users\user>netsh wlan refresh hostednetwork rambo123 Invalid value "rambo123" for command option "data". Usage: refresh hostednetwork [data=]key I have no idea what is wrong with this command.

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  • Chrome Residual Redirect to Login Page

    - by Shadow503
    My college redirects people in the dorms to a login page when using an ethernet (or wifi) connection. I am now at home, and certain domains keep redirecting to this login page. I've tried running ipconfig /flushdns and I flushed the chrome's local dns cache as described here: How to clear/flush the DNS cache in Google Chrome?. Interestingly enough, while http://www.reddit.com redirects to the login page, http://www.reddit.com/r/funny works. Firefox works fine for both urls. Is there a way to fix this without deleting all of my cookies? Thanks!

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