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)

10
votes
5answers
5k 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 ...
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 ...
10
votes
1answer
2k views

Mac OS X 10.8 VPN Server: Bypass VPN for LAN traffic (routing LAN traffic to secondary connection)

I have somewhat of an odd setup for a VPN server with OS X Mountain Lion. It's essentially being used as a bridge to bypass my company's firewall to our extranet connection - certain things our team ...
9
votes
5answers
5k views

What are the essentials of a Subnet mask?

What is the use of a subnet mask? What is the below output conveying to the user? Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.1.2 Subnet Mask . . . . . . . . . ...
9
votes
5answers
54k views

How to tell what MTU is being used in Windows XP

I'm suffering from a really weird problem where I randomly get "The connection to the server was reset" errors when trying to access web pages (HTTP error 12031 according to the Windows network ...
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
3answers
906 views

What do the numbers used in a IPV6 address mean?

I am trying to understand IPV6. I have a server with the following IPV6 address: 2607:f750:0:3f::f59. I don't understand what the numbers mean. It looks totally different from an IPV4 address. ...
9
votes
3answers
12k 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.
9
votes
3answers
7k 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.
9
votes
3answers
25k 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. Thank You
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
3answers
43k views

Why does my Internet slow to a crawl unless I reboot my router every few days?

A few weeks ago, I noticed that my Internet connection had slowed down to a crawl. I waited a few days hoping it would go away on its own, but it didn't get better. So I asked this question about how ...
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
3answers
712 views

Crimping CAT6 cables results in lower bandwidth than expected

I'm trying to make my own CAT6 cables, because I need specific lengths. I've managed to create 2 "working" patch cables, but when I hook them up to my cable modem, both of them take a fairly long ...
9
votes
2answers
13k views

How do I get rid of the VMware “Unidentified Networks” in Windows Vista and 7?

After installing VMware in Windows Vista or 7, there are two public networks that can't be identified, but upon further inspection are virtual networks created by VMware. The problem is when you're on ...
9
votes
1answer
14k views

How to detect the speed (fast or gigabit ethernet) of a network connection over Windows command line

To troubleshoot a network problem I would like to inquire the real network "speed" for a given network adapter, which can be seen when opening the "status" of a network connection under Windows: ...
9
votes
3answers
20k views

How to use a home network patch panel?

I'm planning a home network in a house that's not built yet. One recommendation is to add network sockets in various rooms and have them all end in a central place, where it all connects using a ...
9
votes
3answers
1k views

Does Windows take care of closing sockets when processes exit?

I've read up this question about Linux, Can a port be bound when the process has terminated? Linux appears to clean up after processes exiting, and leaving open sockets. I was wondering if there's any ...
9
votes
3answers
3k views

Is testing Cat5 cable using a testing device necessary if I have verified connectivity with a computer?

I'm running some CAT5 cable around the house and this is the first time I've needed to build/terminate my own cables. I hooked up the cables to a computer and router and was able to reach the router ...
9
votes
4answers
5k views

Where can I find an unswitched ethernet hub? [closed]

Back when I was just getting into networking, ethernet hubs were common, and switches were a fancy, expensive alternative. Then the price of switches came down so much that hubs became pretty much ...
9
votes
4answers
662 views

How to put two subnets next to each other?

I've been using this calculator http://www.subnet-calculator.com/cidr.php, and I'm trying to figure out how to put two different subnets next to each other. For example, I want to have a /27 subnet ...
9
votes
1answer
14k views

How to delete a VPN connection in Windows 8?

How do i delete a VPN connection in Windows 8? In Windows 8 i can have VPN connections: How do i delete them? Things i've tried: right-clicking the connection name hold-clicking the ...
9
votes
8answers
12k views

How to Transfer Audio Output from Mac OS X to Ubuntu via a Network?

Is it possible to somehow tap in to sound output and send it via network to another machine. Formats probably are incompatible, but I would appreciate even on some information on how to tap in to ...
9
votes
6answers
23k views

Can I use 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. ...
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
11k views

How to make Windows 7 remember credentials for a Samba network drive?

I have a Samba share on my Ubuntu server which I map as a network drive on my Windows 7 Professional computer. After every reboot it shows the drive as disconnected and to access it I have to renter ...
9
votes
3answers
7k views

How can I run ALL http request through Charles Web Debugging Proxy - including command line ones?

I'm using the Charles Web Debugging Proxy software to debug HTTP requests. It works great with my desktop browsers, Chrome and Firefox, and it even sees HTTP requests that other programs make. When I ...
9
votes
2answers
7k views

Disabling networkmanager for a specific interface

I'd like to do some experimentation with hostap without disabling my primary wireless interface. How do I tell networkmanager to keep its hands off a specific interface or interfaces while allowing it ...
9
votes
5answers
4k 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 ...
9
votes
2answers
10k views

how to access samba on a guest Linux behind the VirtualBox NAT?

On my laptop, I'm running Ubuntu 9.10 under WinXP using VirtualBox 3.1.2. I want a setup where: The guest can freely access the internet. The host can access the guest files via Samba. The setup ...
9
votes
6answers
4k 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 ...
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 ...
9
votes
1answer
5k views

Share Truecrypt container

is it possible to put a truecrypt container on a net share and access/mount it form multiple machines (windows) at the same time? I fear that if both would write the file could be corrupted.
9
votes
5answers
1k views

Export NFS path containing “-” (dash)

I'm in a bit of a pinch with NFS exports file. Specifically, I can't find a way to export a directory containing "-" in the path name. Manual (exports(5)) states: Also, each line may have one or ...
9
votes
1answer
3k views

How can I force certain applications to use specific network connections?

Let's say I have two active network connections that let me out to the internet. I want certain applications to only use Network Connection 1, while some others should use Network Connection 2. Is ...
9
votes
1answer
4k 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 ...
9
votes
2answers
2k views

Options for bandwidth management on a shared internet connection

The premise: Rural location, not many options for high-bandwidth internet connections. The fastest by far is Satellite internet, but it's expensive (both equipment and monthly cost, and has latency ...
9
votes
3answers
1k views

Strange network problems on OS X

The strange problems I am having occurred 3 times now with a little over 1 month in between. Suddenly I am losing the ability to do some network related activities, but not all. When it happens, ...
9
votes
3answers
4k 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 ...
8
votes
6answers
513 views

How do you protect your computer from Live CD's?

Linux has grown in popularity in the past few years. Many more people are using Live CD's now than they were say 3 years ago. And with this comes a new problem for network admins. How do you stop a ...
8
votes
6answers
2k views

What do the different formats for network addresses indicate?

I've seen the following forms for network addresses: 10.1.1.0 172.16.1.0 192.168.1.0 I usually see 192.168.1.0 for my home network address. Sometimes I've seen the other two forms listed above. ...
8
votes
3answers
3k views

How does the ISP determine the correct speed for my Internet plan?

I've got an Internet plan with a connection speed of 512 Kbps. That's fine, but my question is: why do I get 499 Kbps on the Speed Test? The speed won't go beyond 520 kbps at the maximum level and ...
8
votes
3answers
887 views

Can modern switches act like hubs?

I've been trying to find a hub, specifically for the packet broadcast characteristic. I'm troubleshooting a NAS behind a NAT router and want to look at the traffic arriving on the wire and this seems ...
8
votes
2answers
829 views

Why is sudo required to start up a webserver on a given ip:port?

I'm setting up a Python-based webserver on my Debian box. Setup: The Debian OS is VM based, but I've switched the VirtualBox from NAT to Bridged. IP of the VM setup = 192.168.1.7 (per my router's ...
8
votes
4answers
6k views

Obtaining a DHCP IP address if static address is not available

I have seen some questions that are similar to my problem but not a good solution. Ex. User has a laptop and has a static IP address at the office. They also take the laptop off site where they also ...
8
votes
3answers
1k views

Isn't localhost simply 127.0.0.1 on Mac OS X 10.7 (Lion)?

I tried telnet localhost on Mac OS X Lion, and this is the output I got. Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... telnet: connect to address ...
8
votes
4answers
15k views

Maximum/ ideal length of ethernet cable?

What is the maximum and/or ideal length of an ethernet cable? Is there a distance that data cannot be transferred over an ethernet cable, say over X number of feet?
8
votes
3answers
43k 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 ...
8
votes
1answer
23k views

Allowing a friend to connect over the internet to a Minecraft server I've hosted?

I have set up a Minecraft server and have built lots of things, now I want my friend to play on it too. I'm hosting it on my home computer and don't want to have to set up a new server elsewhere so ...
8
votes
5answers
17k views

Samba+Windows: Allow multiple connections by different users?

I have a machine running Ubuntu with Samba that I use to share stuff with my family's Windows machines in our local network. Currently they access a share for movies/music/etc with one user. I want ...