Networking is the art of connecting two or more devices together so that they can communicate with each other.

learn more… | top users | synonyms (2)

12
votes
6answers
27k views

Can I route programs to two internet connections simultaneously in Windows 7?

I have two internet connections - one via a 3G modem, and the other via wireless. The modem is faster so I normally browse with it, but it does not support torrent downloads while my wireless does. ...
12
votes
5answers
13k views

How can I make Windows prefer my wired connection?

I am running Windows 7 RC, but have noticed this behavior on Windows Vista as well. When I am in an area that has a wireless network and I plug in my wired network so I can get a better connection ...
12
votes
4answers
7k views

If I have two internet connections on osx, how can I use both to increase my bandwidth?

I understand that any one connection (such as a non-p2p download) will use just one of the connections, but since most normal activity involves multiple connections at once, I can still in theory ...
12
votes
3answers
27k 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 ...
12
votes
1answer
2k views

All invalid hostnames resolve to localhost in my browser. What is going on?

Update: jump to the end of this question for the happy conclusion to this epic tale. Note: I have IIS7 installed locally for web development. This is what happens in my browser for random sites: ...
12
votes
5answers
9k views

Extremely slow internet speed after reinstall

I have recently had a hard drive failure so I was forced to reinstall my OS (Windows 7). After a fresh install, I noticed the internet speed became extremely slow (~15 minutes for downloading a 20MB ...
12
votes
2answers
5k views

A proper way to create non-interactive accounts?

In order to use password-protected file sharing in a basic home network I want to create a number of non-interactive user accounts on a Windows 8 Pro machine in addition to the existing set of ...
12
votes
5answers
7k 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 ...
11
votes
4answers
1k views

Electricity speed and data transfer

I've read in some places that electricity is very slow. Then how can Internet traffic in copper wires be so fast? I think I have a great gap of knowledge about the low-level data transfer structure. ...
11
votes
2answers
2k views

Why am I seeing multiple different IP addresses reported as my public IP? [duplicate]

Could anyone explain why these sites are showing me as having different public IP addresses? www.whatismyip.com - 46.19.227.251 as my IP showmyipaddress.com - 46.19.227.253 as my IP ...
11
votes
2answers
9k views

Is there an app for the Mac that shows you which apps are using the network? [duplicate]

Possible Duplicate: Application for monitoring all applications that are using the internet in Mac OS X I use Menu Meters to show me how much data is being sent and received by my Mac as a ...
11
votes
1answer
830 views

Domain goes to localhost

I have a domain named ejn.nu. On some computers and networks, it sends the user to localhost when it should send the user to my server. When i do "ping", it shows the correct ip for my server and when ...
11
votes
3answers
13k views

Is chaining two switches different than connecting both switches directly to the router?

I am setting up the network for our small companies new office - I have about 20 computers upstairs and 20 down. There is a switch on each floor, the router is downstairs, and a cat5e cable running ...
11
votes
2answers
6k 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 ...
11
votes
4answers
38k views

How to disable ipv6 on a specific interface in linux?

Could someone tell me how to disable ipv6 auto-config on a specific network interface in CentOS? The current situation is: A PC has two network adapters eth0 and eth1 that are connecting to the same ...
11
votes
3answers
17k views

How to share CPU or RAM?

In networking we share File(Disk Driver) or Databases. But how can we share CPU or RAM over the network.
11
votes
2answers
1k views

Multiple switches - how does it work?

I was reading about networking hardware some time ago and came across an explanation on how network switches work - basically, it said that a switch keeps an internal database of what MAC address is ...
11
votes
1answer
6k views

Cisco VPN Client hangs at “Opening cert store”

I am unable to launch the Cisco VPN Client successfully. When the splash screen reaches the step labeled "Opening cert store", it simply hangs and goes unresponsive. In the event viewer ...
11
votes
3answers
36k views

What's a loopback-address? I.e. 127.0.0.1

What is a loop-back address? 127.0.0.1 is a loop-back address, but what does this even mean? Please be very descriptive and give an example, as I'm having a hard-time understanding this.
11
votes
3answers
5k views

Linux: Share keyboard over network

As the title suggests, I want to use a remote keyboard locally. The remote keyboard should be usable in a TTY and, if possible, in the X-Server as well. Are there any drivers (kernel modules) ...
11
votes
4answers
1k views

What would be the disadvantages of using a 4 stranded ethernet cable?

I got this cable with a homeplug AV 200 device - its labelled cat 5e But looking at the plug end has me rather dubious about it. (There's only 4 strands there, not the standard 8 - and missing ...
11
votes
6answers
8k views

Unblockus.com: how does it work?

I am physically located in Japan but am a United States citizen serving on a U.S military installation so I'm "technically" in the United States. When I go to websites, for example www.google.com, I ...
11
votes
2answers
7k views

Stop VPN being used on internet traffic on Win 7 [duplicate]

Possible Duplicate: How can I make the Windows VPN route selective traffic (by destination network)? How To Use Local Internet Connection To Access Internet While Still Connected with VPN ...
11
votes
5answers
3k views

Why are network speeds measured in Kbits/sec instead of KBytes/sec?

Why is network throughput measured in KBits/sec? It seems like it would make more sense to have it in KBytes/sec. You'd avoid angry users, and save a lot of headache converting between the two. Is it ...
11
votes
3answers
162k views

How to reinstall the TCP/IP protocol driver on Windows 7?

How to reinstall the TCP/IP protocol driver on Windows 7?
11
votes
2answers
12k views

No idea what is listening on port 80 in OS X

I'm on OSX Mountain Lion 10.8.3, and I've freshly rebooted my Mac. I want to start a service (like Apache on port 80), but there is already something going on with port 80: telnet localhost 80 ...
11
votes
6answers
12k views

Why is my router assigning the wrong address via DHCP

I have a WRT54G router that is set up to serve out addresses via DHCP. It correctly serves up addresses to every other machine on the network, including another PC, my macbook when connected via ...
11
votes
5answers
17k views

Unable to ping local machines by name in Windows 7

I'm having a strange (and persistent!) problem with pinging local machines on my network by name. I believe my machine (Windows 7 64-bit) is the only one having this issue. This is over a wireless ...
11
votes
1answer
311 views

“nice” for Networking

UNIXish systems have a command-line utility called nice that can be used to run programs at a low priority, so that they don't hog the CPU. Is there anything analogous that will limit the amount of ...
11
votes
2answers
757 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
5answers
2k views

Top ten security tips for non-technical users

I'm giving a presentation later this week to the staff at the company where I work. The goal of the presentation is to serve as a refresher/remidner of good practices that can help keep our network ...
11
votes
7answers
12k views

How to make windows task manager to show network usage?

I found that Windows 8 Task manager does not show network usage correctly: As you see, my torrent client downloads at a speed of 1 MB/s, while Windows shows zero. All adapters are disabled except ...
11
votes
3answers
7k views

How can I get wvdial to run from /etc/network/interfaces

I am using wvdial to connect to a mobile network (I have a usb modem) and it works fine. However, I wanted to automate the connection a bit (currently I am running wvdial every time I want to ...
11
votes
5answers
8k views

IP address alias assigned by DHCP

I would like to create several aliases to eth0, but have the addresses assigned by DHCP instead of being set to static IP's. Is this even possible? All the examples I've seen assign a static IP using ...
11
votes
4answers
94k views

Setup static IP under Ubuntu 14.04 Trusty

How to setup static IP address under Ubuntu 14.04 Trusty? My setting is not working. What special about Ubuntu 14.04 Trusty is that I found it now using the "source-directory" keyword to source ...
11
votes
1answer
2k 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
1answer
8k views

How to request a specific IP address from DHCP server?

How to request a specific IP address from DHCP server? This question also touches the topic of DHCP address reservation in a router. Background: My home routers DHCP table only allows to create an ...
11
votes
7answers
7k views

Why can a network address not be a valid host address?

So... I have studied for CCNA and such and been working with IP networking at the least the past 8 years or so. I have always seen and been told that the network address for a subnet is not a valid ...
11
votes
3answers
5k views

MacBook can't use internet, but nslookup and ping both work

I have a user with a new high-end MacBook Pro that can't use the internet. He can connect to either our wired or wireless network and do things like browse file shares, but can get no further. When ...
11
votes
4answers
42k 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 ...
11
votes
2answers
6k views

Is there software that lets me drag windows between two PCs? (there is!)

I'm looking for a preferably free program that is similar to MaxiVista, which lets you extend you desktop to another desktops screen on the same network. But with MaxiVista you have to extend the ...
11
votes
5answers
3k views

Create a private network inside my Windows 7 machine

My Main Rig is a Windows 7 Professional laptop. On this machine is two Virtual Machines, both of which are also Windows 7 Professional. I need these VMs to be able to see each other but I also need ...
11
votes
4answers
9k views

Wrong order in CAT5 cabling — does it matter?

I've got in-wall CAT5 wiring in my house. The wall sockets were done by an electrician and the requirement was straight-through T-568B, but I think he got it wrong. When I use a cheap cable tester, I ...
11
votes
1answer
11k views

Windows shows “Limited Connection” when it isn't

[12/16/2013 - Updates below] [12/20/2013 - Updates below] Bear with me, this isn't the normal "limited connection" sort of question, I promise. When I am at the office and on the LAN, my Win8.1 ...
11
votes
3answers
7k views

How to setup 2 PC computers for file sharing with a crossover cable?

I have two PC computers and I want to share files between them with a crossover Ethernet cable. I have been playing with different network configurations back and forth but I can't quite get it to ...
11
votes
2answers
1k views

Why am I seeing such low SMB transfer throughput?

Ok, there's a bit more to the story than the title implies. Background and Environment: I'm copying several TB from an older Ubuntu server to a newer Windows 2012 server over SMB. (Technically, it's ...
10
votes
7answers
6k views

Should I use a network hub or network switch?

I want to put a networking device on an Ethernet connection between 2 digital devices. The communication will be 1-to-1; there will only be 2 devices connected through the networking device. And I ...
10
votes
2answers
6k views

Will using a 10/100 router stunt gigabit switch speeds for an internal network?

I have a 10/100 Verizon router. 3 computers are connected to this via Ethernet. I'd like to put a gigabit switch between the computers and router to enable gigabit speeds on the intranet. If the ...
10
votes
3answers
50k views

How can I change the binding order of network adapters in Windows 7?

The end goal here is that I am trying to install an Oracle 10g server on my Windows 7 x64 dev box. I use DHCP, and the Oracle installer is throwing up this warning: Checking Network Configuration ...
10
votes
3answers
9k views

What is the maximum number of IPs that can be assigned to a given computer?

I really need to know this for a linux server, but since it also applies to client OSes, I figured the question should be posed here instead of server fault.