LAN, short for Local Area Network, is a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi, linked together with means of a central wireless router or Ethernet transmission, where computers are ...

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453 views

Building an improvised 'supercomputer' by connecting a number of used PCs in a LAN

I am in ongoing development of a simple but processor intensive computer program that I use for scientific research. It would be really helpful to have more processing speed. Right now I'm running Mac ...
4
votes
3answers
18k views

How can I use two Internet connections at the same time?

I have two Internet connections to my home and I want to use them simultaneously. Both of them are the same speed — something like 10Mbit/1Mbit. How can I achieve this? I'm thinking of using ...
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2answers
1k views

My dyndns domain doesn't point to the right IP from inside my network, how do I correct that?

I set up a DynDns account to point a domain to my dynamic IP server at home. From any "outside" network, the connection is working and pointing to my server. But when I point my browser to my URL ...
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4answers
1k views

GUI for Net Send

Can anyone recommend a GUI tool that will allow me to send messages across the LAN using net send or Msg.exe as it now is on Windows 7.
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2answers
6k views

Keep lan connection alive while going to sleep

Is it possible to keep lan connection alive when going to sleep? Although I would like a laptop independent(in general) answer, my laptop is Thinkpad T500 and the power manager shows in PCI options, ...
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3answers
1k views

Buying another router and use as a “signal repeater” in bridge mode?

I asked about using a pc almost as a "router" and although it's a solution, I tought about just buying a second router to act as a "bridge" between my connection. (Reason: I don't want to have to keep ...
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votes
1answer
8k views

Power went out and now my router doesn't give any internet

yesterday the power went out for a second. I then noticed that my router (D-Link DGL-4300) had stopped working. It didn't power on at all. Today I borrowed my friends power adapter because he has the ...
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2answers
3k views

Can only ssh when not using wifi

So I have 3 machines, a windows 7 desktop that is always wired to my router, osX laptop, and raspberry pi running debian linux. My router is a Linksys e1000 wireless N. My goal is to be able to ssh ...
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1answer
19k views

How can I set up a 'local' domain so that everyone on my local network can view a locally hosted site?

I want to set up MediaWiki on one of my home machines, and then have all requests made on the local network for 'wiki.home' or 'wiki.local' point to that box. I know that this can be done by editing ...
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votes
1answer
323 views

All of my Windows computers won't connect to the Internet (LAN or WiFi)

My Windows computers: Desktop - connected to LAN. Error: LAN connection / Ethernet Adaptor may have a problem Laptop - connected via WiFi Error: "Limited Access" Laptop - connected via WiFi Error: ...
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1answer
3k views

Accessing Workgroup Shared Folder from Domain

I have a domain and a workgroup. My users are supposed to upload files on regular basis to several shared folders on the workgroup. I have difficulty accessing the workgroup shared folders without ...
4
votes
1answer
520 views

Open LAN-hosted website in IE 10 Metro

It appears that IE10's Metro mode blocks connections to servers running on the local network (for example, 192.168.1.x). I am able to connect to the server from IE 10 in regular desktop mode. How do ...
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votes
11answers
14k views

LAN/WLAN/home network connection dropping intermittently

I'm having an issue on our home network that is driving me mad. More often than not, when a user on our LAN is downloading and using most of the bandwidth my connection my PC or my laptop or my ...
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votes
1answer
170 views

How do I test the speed of file transfers on my LAN?

I have a Macbook Pro (wirelessly connected to the Internet) and a G5 tower (connected via ethernet). The MBP wirelessly backs up to an external drive on the G5 tower. I would like to know how fast the ...
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votes
5answers
697 views

How can I achieve Gigabit LAN speed without wires?

I have a Netgear Router which connects to my Cisco router. I have a gigabit switch which connects to my servers in my Garage.. I am currently connecting with wifi adapter on my desktop (in my room) ...
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votes
3answers
2k views

How can I unite two LAN connections on one network?

The small flat in which I live is designed for two students. I manage to pay the entirety of the rent myself, so I'm living by myself, but I have 2 LAN outlets in the flat. I wish to configure a local ...
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3answers
1k views

How can my router have the same MAC as a computer in the LAN?

My ISP refused to give out a new IP when I switched from just having one computer in the LAN to using a router in spite of me doing a few releases and renews. So I tried an a little unorthodox ...
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1answer
7k views

Purpose of LAN Domain?

What is the purpose of creating a domain name for your LAN? I'm using DD-WRT on my router and assigned local.moofz.com as the LAN domain. I setup Apache HTTP servers on two of the computers on my LAN ...
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4answers
4k views

How can I stream media from my desktop to other PCs on my home LAN?

I know that this is a basic question, and I'm aware of a similar one, but that answer does not appear to be evergreen - it's a simple link which says that VLC can do it, with no other explanation of ...
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4answers
325 views

What is a good way to shield my computer against local (network) attacks?

I'm trying to secure my computer against local network attacks for when I'm at university or a LAN party. At home, we have a router which serves this purpose. But at university and LAN I don't have ...
3
votes
3answers
7k views

Instant messaging in LAN between PC (Windows XP) and Mac (OS X 10.6)? [closed]

I wonder how I could send short information (like a URL or a small text) between a PC with Windows XP and a Mac with OS X 10.6, which are both in our LAN at home. Up to now I sent in such a case an ...
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3answers
6k views

Improving the speed of a Wireless LAN, currently very slow

I have a Netopia 3347W router, which I got several years ago. There are several laptops and two desktops in my house which connect to the internet via this router, and thus are all on the same LAN. ...
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votes
4answers
5k views

Why am I getting such slow transfer rate over wired LAN?

I have a Linksys WRT400N. Im trying to copy 400GB of data over LAN from one PC to another. Im getting 7-8MB/s over wireless AND wired. I have 10/100/1000 network cards in all PCs. Anything I can do ...
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votes
6answers
9k views

Interpreting Netgear wireless router security logs

I have a NetGear RangeMax Dual Band Wireless-N Gigabit Router, model number WNDR3700. It's been working fine, but I recently logged into it by pointing my web browser towards 192.168.1.1 and typing in ...
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3answers
8k views

Can I combine two LANs into one to get double speed?

I have 2 LANs in my own PC & 2 Routers (TP-Link WR941N each) with 2 internet accounts (512Kbps each) connected to the same ISP signal & company using NanoStation 5 from ubnt. As you know the ...
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votes
3answers
2k views

My wireless network slows down every 7.5 minutes when my desktop is switched on

My network has lag spikes lasting for a few seconds every 7.5 mins. The spikes also effect any other computer connected connected to my wirless router at the time. My wife has to connect her laptop ...
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votes
2answers
2k views

Wake-On-Lan - Behind Two Routers

So here is my current network setup: There is a central 'Cisco' router for the apartment. I connect wirelessly using an old router of mine (WRT54Gv2) with DD-WRT installed as a client to the central ...
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votes
4answers
1k views

What is the security risk of using WLAN and LAN network on a computer at the same time?

We have a few older HP laptops that when docked in a port replicator the WLAN connection is disabled and the LAN connection is enabled. We have since replaced these with Toshiba R700s which do not ...
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votes
3answers
3k views

Changing router from 100Mbps to Gigabit. Is it really worth it?

I have currently 100Mbps router and using a NAS. Unfortunately, seems that the speed is not as I expected. So I planned to change the router to a gigabit router. Is it really worth it? UPDATE: The ...
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votes
3answers
8k views

How to connect 2 LAN each one with its own DSL connection?

I have set up 2 separate wired LANs each one with its own DSL connection. Each LAN consists of the ISP's residential DSL modem, a switch and some PCs, NAS, media players etc. What I want is to ...
3
votes
2answers
772 views

No route to host after changing interface to static ip

I installed a Linux (Ubuntu) server inside my home LAN, initially it's automatically configured to use DHCP interface. I'm connecting to this server from another computer using that server's hostname. ...
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votes
2answers
182 views

USB LAN Adapter and Twisted Pair

Can I use a USB to LAN adapter to make a Twisted Pair Cable Connection between tow PCs?
3
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1answer
487 views

Are crossover and straight network cables interchangeable?

Can a crossover cable be used as a normal cable too, when using with a router, switch,hub etc. What situations may it not work in and are there other issues to be aware of when using crossover versus ...
3
votes
2answers
319 views

How to send one command to multiple PC's over LAN (linux)

O/S: Debian Hi, I've got multiple computers in a LAN network that I monitor remotely, they're all running the same hardware and software. To monitor them I simply ssh in to one computer and then ssh ...
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votes
2answers
99 views

How to add a password to join LAN network

I have a router set up with wireless passwords, but anybody who plugs an ethernet cable into a wallsocket will have access to the network regardless of passwords. Is there a program or method of ...
3
votes
1answer
692 views

using wireless (3G) and lan at the same time in windows 7

I am working on customer's site and here i have a very restricted lan (no gmail, no corporate mail) but i need the lan for som services (intranet, svn, jira...). My laptop has a built in SIM with 3g. ...
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votes
1answer
759 views

Setting up Remote access home LAN behind multiple routers?

I split/share an internet connection with family members that live next door to my house. I don't have/need/want cable, so they have the modem. I have admin/config access to all components involved. ...
3
votes
1answer
1k views

How do I reach an IP address on my LAN which is two routers away?

In order to connect to my Android Galaxy 10.1 tab, I'm trying to use WiFi Explorer, which sets up the tablet as being a file server on the WiFi LAN, accessable by local IP address. The app says that ...
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votes
2answers
1k views

Virtualbox: Connecting Host-Only networks on separate hosts

If i create multiple ubuntu guests on the same host (windows 7), all with a network adapter configured as "Host-Only" the result is that all guests in the host can ping each other On windows 7 host, ...
3
votes
2answers
47 views

Windows startup internet problem

I am on shared LAN internet coming from some other admin computer. Most of the time when i start the computer i see the two monitors icon signaling that lan is connected. However sometimes when i ...
3
votes
2answers
266 views

Building a network at home, what cables to use (if any)?

My house is currently in ruins and am building it. While doing so, I wanted to design a home network. My main objectives are surfing and HD streaming. The house is one-level, 100 sq/m (about 300 ...
3
votes
2answers
482 views

Route NetBIOS protocol through internet

I have LAN witch connected to Internet through ADSL router and I have run file sharing in the LAN. I want to access my file sharing by another location in the Internet and i know this is not the way ...
3
votes
6answers
849 views

How do I firewall a machine against the local (wireless) network while still allowing the machine to route internet traffic?

I have a shared DSL connection, and I know that some of the users constantly get their computers infected, so I worry about network security. My computer is the only one wired to the modem (which is ...
3
votes
1answer
10k views

Redirect audio from laptop to desktop over LAN

I want to be able to play a song on my laptop and have it sound through my desktop's (infinitely better) speakers. If you're familiar with Input Director: I want something that is to audio what Input ...
3
votes
2answers
6k views

Cat5e network that runs longer than 30' (10 Meters) will not connect at Gigabit speed

I have three network switches, all gigabit, from DLink and TPLink: 1x 4-port 2x 8-port Connecting to these are 5 laptops and 2 desktops, all with gigabit NICs: 4 Realtek 1 Intel 1 AMD 1 unknown ...
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2answers
1k views

Sharing Android 4G phone internet connection from PC to LAN

I have a Windows 7 x86 PC and an Android phone with a 4G connection. I would like to share the 4G connection – I currently do so using PDAnet software – but I also want to share it over ...
3
votes
1answer
1k views

Dropbox sync across LAN - Windows 7 and Ubuntu

I've got Dropbox installed on both my Windows 7 machine and my Ubuntu machine. I've got "Enable LAN sync" ticked on both. However it doesn't seem to be syncing via the LAN. Is it possible to sync ...
3
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2answers
2k views

Why does the Internet WI-FI connection of my laptop disconnect when I connect the ethernet cable to the LAN?

Why does the Internet WI-FI connection of my laptop disconnect when I connect the ethernet cable to the LAN? These are two separate networks, the LAN is without Internet, I just use it to connect the ...
3
votes
5answers
25k views

Remote Desktop: can't connect to remote computer

I am trying to RDP to another computer on a LAN and sometimes get the folllowing error: This computer can't connect to the remote computer. Try connecting again. If the problem continues, contact the ...
3
votes
2answers
693 views

Connect two PCs via Ethernet to multiply bandwidth of 1 Gbps NIC

I just wanted to know if there is a way to create an Ethernet channel between two PCs. Let's say that I have two PCs each having two 1 Gbps NICs, then I want to connect them together so that there is ...