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

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Why is my subnet mask 255.255.255.255?

I have a modem which used for internet broadband and I got an IP address in the 'A' class 10.x.x.x and have netmask 255.255.255.255. What does 255.255.255.255 mean exactly? When I try to sniff with ...
11
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3answers
136k views

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

How to reinstall the TCP/IP protocol driver on Windows 7?
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6answers
41k views

Find an unknown static IP + subnet mask of device?

I have a device set with a static IP and subnet mask. I do not know the IP or subnet mask. How can I find the devices IP and subnet mask? It is a piece of hardware, not a PC. It will not take an IP ...
11
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2answers
648 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
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1answer
198k views

How do I set up Windows 7 to stream media to my PS3?

I have a computer and a PS3 connected wirelessly to my router, but it seems no matter how hard I try I can not get my PC to show up on my PS3. I've also tried setting up a media server with TVersity ...
11
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3answers
16k views

IPv4 vs IPv6 priority in Windows 7

I have IPv6 connectivity through Hurricane Electric tunnel. Since IPv6 day this year, many services (google.com, facebook.com, etc.) enabled IPv6 on their main domains. On my Windows machine, IPv6 is ...
11
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1answer
30k views

Tunnel adapters on ipconfig?

Hello I recently noticed unusual information in my IPCONFIG. Usually I only see Ethernet adapter Local Area Connection, but now I see Tunnel adapter isatap... and Tunnel adapter Teredo... I was ...
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3answers
3k 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
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2answers
4k 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
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5answers
2k 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
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2answers
62k 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
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1answer
879 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: ...
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4answers
2k 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
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2answers
467 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
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2answers
8k 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 ...
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7answers
5k 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 ...
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4answers
4k 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 ...
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2answers
5k 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
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4answers
660 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 ...
10
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2answers
18k views

What is the difference between NAT / Bridged / Host-Only networking?

VMWare: What is NAT vs. Bridged vs. Host-Only?
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3answers
4k 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) ...
10
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4answers
33k views

clear IP address of Ethernet interface

What is the Linux command to clear IP address of an interface without bringing it down and/or restarting network services. Seems strange ifconfig is able to change IP address but has no option to ...
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3answers
8k 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, ...
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2answers
4k views

Can IP v4 and IP v6 share a single physical Ethernet?

I keep reading about the transition from IP v4 to IP v6, and the possible advantages and problems. One thing that keeps popping up is "dual-stack" networking, meaning (I believe) a host can speak both ...
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6answers
10k 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 ...
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5answers
1k 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 ...
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1answer
283 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 ...
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4answers
18k 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 ...
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3answers
18k views

Is there a nice, graphical, packet sniffer for Mac OSX?

I have Wireshark and have used tcpdump, but I was wondering if there was a nice GUI to capture and view packets on the Mac. Ideally, something that is protocol aware, so that it knows how to break up ...
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3answers
6k views

Home CAT6 wiring: CMR vs CMP?

I'm planning on wiring my house with CAT6 cable. I'm finding a large jump in price between CMR and CMP cabling, and I'm confused by what counts as a 'plenum' and what does not. As I'm wiring my ...
10
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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 ...
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3answers
36k views

How to route only specific subnet (source ip) to a particular interface?

How to route only specific subnet (source ip) to a particular interface? OS: Linux I know I can do easily by destination IP by using something like route add 1.2.3.4/24 dev eth4 but I do not ...
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2answers
22k views

Default username/password for accessing network shares in Windows 8?

I always had the same username and password on all my network devices (NAS, desktop PC, laptop) in my small home network. This allows me to access network shares of other devices without having to ...
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4answers
8k views

Unable to browse Internet on Mac OS X

I can't reach websites using browsers in OS X 10.6.7 on a MacBook Pro, possibly after resuming from sleep. I've had this problem before and it has been solved by a reboot, but I since I got it again I ...
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5answers
26k views

how does 'ping' command really work?

How does the ping command really work? Specifically where does the ARP (Address Resolution Protocol) come into picture? I was asked this question in an interview and I was not able to come up with ...
10
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3answers
81k views

How to remove unwanted tunnel adapter connections?

I did "ipconfig" today and found about 10 network interfaces, most of them disconnected. How can I diagnose this? Where can I remove them? Edit: The extra network appear like this: Tunnel ...
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2answers
4k views

How to make a local web server visible from the internet *without* setting up port forwarding on the router?

I develop websites on my (high-end) laptop, and I work from a variety of physical locations. I would like to save the hassle of constantly synchronizing with an externally visible web server in order ...
10
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2answers
11k views

Is it possible to boot from an ISO over the network, and how?

I have a machine with a bootable ISO stored on it, and I have another blank machine which I want to install the ISO to. They're both on the same LAN (attached to the same switch). How would I go about ...
10
votes
4answers
5k views

MacBook won't pick up networking on ethernet

First a little network diagram; We have an ADSL router (Standard home broadband Netgear. DHCP, DNS and firewall disabled), connected to a gigabit switch (unmanaged, it just sits there and works). ...
10
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4answers
4k 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 ...
10
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2answers
6k views

How can I setup an IPv6 network in this way?

I have a network mapped like this : To experiment with IPv6 connectivity, I want to configure my LAN network using IPv6. Can someone explain how to convert the connection between the Desktop and ...
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3answers
33k views

Monitor traffic through a home router

We have an Internet connection which is shared on five computers via a home router. One of the computers is using torrents all the time. I want to find out which, and they won't tell me. How can I ...
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5answers
4k 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
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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 ...
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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 . . . . . . . . . ...
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5answers
51k 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 ...
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5answers
15k 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)
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3answers
861 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. ...
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3answers
11k 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
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3answers
23k 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