For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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4
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5answers
4k views

How can I extend my wifi coverage?

On my home network, I have a wireless router in the basement. On the second floor, I can barely get a signal, and would like to "extend" my wifi to the second floor. I do have Ethernet running from ...
3
votes
3answers
15k views

Error installing Network driver

I'm tring to install NetLimiter 3 (3.0.0.10, x64) on my Windows 7 x64 machine. At the driver installation step, I'm getting an error: Error 0x8004a029: Couldn't install the network component. ...
0
votes
2answers
66 views

Remote To other Computers

I Have a Computer with Windows 7 in my Office Network.I want Remote to Other Computers And I don't want Use Windows Remote Desktop.I want a Software for Remote without Need to Client Software on ...
1
vote
1answer
984 views

Static DNS + DHCP-ed IP in Windows?

I change wifi networks a couple times a day. Obviously they have different DHCP settings, and I always use dynamic ip resolving. However, I want to have the same (say, OpenDNS') static nameservers in ...
1
vote
1answer
1k views

802.11g -> wired ethernet bridging not working

Usually people want to go the other direction, but I want to take our relatively fast and stable house 802.11g signal and bridge it to ethernet. I have tried using an Airport Express (the b/g flavor) ...
2
votes
2answers
755 views

Enable file sharing only when on home Wi-Fi network in OS X?

How can file/screen/other sharing on Mac OS X be enabled only when on a certain network, such as the home Wi-Fi network? Sharing should not be enabled when on public Wi-Fi network. Currently it seems ...
0
votes
3answers
2k views

Ethernet controller not working Win7 - how to diagnose problem?

I have an nVidia 750a motherboard running Windows 7 32-bit - with an onboard gigabit ethernet contoller. The ethernet contoller seems to have stopped working to some degree --- it wont retrieve an IP ...
0
votes
3answers
84 views

WiFi/networking weirdness

Ok, this is just bizarre. I have a single wifi access point in my house. My main computer, running Win7 Ultimate x64, can't seem to get to anywhere on the internet. I can ping my router, I can access ...
0
votes
1answer
242 views

Linux/Windows Network Drive

I have a 750 GB HDD plugged into my Ubuntu Desktop, I want to make this show up as a Network Drive on my Windows 7 Laptop and my Ubuntu netbook. Is there an easy way to do this?
14
votes
3answers
34k views

What is a MAC address, and what does it reveal about me?

Does my MAC address list my name, ect? How do I find out exactly what the MAC address tells me? I know it's the "physical address" of my laptop, but what exactly does that mean? This is what my MAC ...
3
votes
1answer
962 views

Looking for VDSL2 modem that can work without NAT [closed]

All ADSL/VDSL providers here (The Netherlands) provide modems with integrated router. Not only that, but they put in their own firmware, so that you can do next to nothing with it. With my old ADSL ...
6
votes
6answers
2k views

How can I improve my home network?

I have a home network with the following setup: I know, I know. It's a pile of steaming crap. I'm a beginner! So I plead ignorant. I stepped onto irc.freenode.org/##networking and asked for ...
0
votes
1answer
89 views

Setup network permissions in a dorm network

I have a rather complex network idea that I would like to implement. I've done some google searches, but have been unable to find out how to pull this off. I live in a college dorm. All of these ...
1
vote
1answer
3k views

Network Copy to Windows 7 File Share Fails and Kills Network Connection

I have a Windows 7 64-bit Home Premium machine that I use as a file server. This machine is wired to my DLink DIR-655 wireless router. I share a disk with guest access on that machine. The network ...
4
votes
3answers
703 views

Bridging a wireless network to a wired and a second wireless network

I have a rather unique situation. I just bought a boat and am now living aboard full time. Back in my apartment, I had a WRT54G wireless router that I plugged into my cable modem, such that it ...
9
votes
5answers
8k 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 . . . . . . . . . ...
0
votes
3answers
61 views

How does the home wireless perform if it connects to a public access point?

Assuming that there is a access point(hotspot) covering a dozen of houses. Besides, these houses also have their own wireless network. So, if everyone in each house connect to the Internet at the same ...
0
votes
2answers
266 views

Advantages / Disadvantages to keep unused network adapters DISABLED

OS is Windows 7 - 64 bit. On my laptop, I keep the wireless adapter enabled (almost ALWAYS in use). All others - like ethernet, VPN, hamachi, virtualbox - I keep disabled, and manually enable as ...
2
votes
2answers
392 views

How do PCs tell what network connection to use to connect to the internet?

If your pc (lets assume windows) is connected via a wired LAN and has a USB dongle that supplies 3G internet, how does your pc know which connection to use when browsing the web? Does linux follow ...
8
votes
2answers
10k views

Do I need a cross-over cable?

I'm wanting to directly connect two machines, both running Windows 7. I'm wondering whether I will need a cross-over cable for this or not. As I understand it, I will need one unless both machines ...
1
vote
1answer
2k views

Sonicwall router responds to all ARP requests for addresses in 192.168.1.0/24

A Sonicwall router I don't manage is attached to a switch that I do. The router is responding to any ARP requests for addresses in 192.168.1.0/24 with it's own MAC address. IE, if I try and ping any ...
4
votes
2answers
6k views

How to properly connect shielded twisted pair cables for Ethernet use?

Some time ago I was in a hotel and they gave me what to me looked like S/STP cable to connect my laptop to their router. What caught my attention was that at both ends of the cable, the shielding just ...
2
votes
2answers
6k views

How to create a shortcut to a VPN connection?

I have a VPN connection that I'm using heavily. I'd like to setup a shortcut to quickly connect/disconnect this connection. How can this be done?
2
votes
2answers
3k views

How can I tell if someone is on my home network or wifi? [duplicate]

Possible Duplicate: How to see who is using my wifi I have a simple home network (DSL Modem, Linksys wireless router, Vista PC, and a couple of XBox360s). I know that my DSL speed is ...
1
vote
2answers
3k views

Why is my router blocking websites? [closed]

I'm not exactly a networking expert and am currently having some issues with my new sitecom router (firmware is upgraded to the latest version) When NAT is enabled on my router and the router ...
0
votes
1answer
2k views

Possible to config an application to use LAN or wifi access?

MacBook Internet connection via WiFi via proxy (en0) LAN connection via ethernet (en6) i.e.: en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 00:1f:f3:ba:82:57 ...
0
votes
2answers
428 views

Software to Log users connected to the network

Im looking for a network monitoring software that meets the following criteria: Logs the time when a user/computer is connected to the network. Logs the time when a user/computer is disconnected ...
0
votes
1answer
2k views

Using a Netgear WGR614v9 to extend wireless signal from Netgear DG934GT

I'm wondering if someone could please provide me the steps for extending/repeating my wirless signal so that I can have greater wireless range throughout my house. I have 2 wirless Netgear routers, a ...
1
vote
1answer
134 views

Network Connections in Windows 7

I use a computer with Windows 7. My computer is connected to a Local Network within my company, and in this network I use an interanet website. But, when I connect to the internet via dialup I can no ...
5
votes
2answers
2k views

How to hide a linux pc from network?

I installed a Linux virtual machine in my windows machine, but I don't want my network admin see the Linux VM. Is there any way to hide it?
1
vote
1answer
3k views

How can I quickly map all IP addresses on my network to hostnames? [closed]

Any DOS commands that allow me to do so and output the data? Or any free software to do the same?
1
vote
2answers
1k views

Internet Connection Sharing (ICS) w/ USB “bridged” cable

I found a website that says I can use a USB "bridged" cable for ICS. ( http://www.hardwaresecrets.com/article/Connecting-Two-PCs-Using-a-USB-USB-Cable/248/2 ) My cable modem only has one network plug, ...
1
vote
4answers
11k views

What's the difference between broadcast and multicast?

I'm sending a packet indiscriminately to other clients on my network. Is this broadcast or multicast? If you're in a Jabber chat room and you send a message to the room, is this broadcasting or ...
17
votes
3answers
13k views

What is the purpose of a Windows Workgroup?

In Microsoft Windows, what is the purpose of a Workgroup? I understand that a Domain allows the administration of security (user names, passwords, file access, etc.) to be centralized. But what does a ...
0
votes
2answers
7k views

How to switch internet connection between regular and VPN

I am connected to the Internet through a wireless router. If I visit http://whatismyipaddress.com, I see my correct IP address. I have now added a VPN connection, and when I connect to that my ...
0
votes
4answers
3k views

How to know if a network is locked by MAC address

If I unplug a internet cable from another PC and plug it in my laptop, but it says no internet connection. Then I've been told that the network restrict certain MAC address. My question is that is ...
0
votes
4answers
281 views

WiFi, what can be wrong with my router

I have netdisk (WD My Book World), and I noticed that copying occurs very slowly when I am connected to my Asus DSL-N11 modem/router through WiFi, only 1,6 mbps. When connected by wire, speed reaches ...
1
vote
6answers
3k views

Problem sharing files between two Windows 7 machines

I have 3 machines. Two of them running Windows 7 Ultimate 64-bit, let's call them Windows 7-one and Windows 7-two. One is running Windows XP SP3, let's call that one Windows XP-one. I've shared ...
1
vote
3answers
2k views

How do I share internet with my Windows 7 laptop such that DHCP is off?

I basically want my Windows 7 Laptop to function as a switch. (like a router when DHCP is off). Instead of getting 192.x.x.x addresses, I want public IP address assigned to everyone who connects to ...
1
vote
2answers
460 views

How can I network my WinXP laptop with my Western Digital MyBook without a router

I have a laptop with an ethernet port. I have a Western Digital MyBook with an ethernet port (it contains its own little internal computer). I need to hook up my laptop directly to the MyBook and be ...
2
votes
1answer
2k views

Connecting to server on vmware host from a guest OS

I'm running VMWare Fusion on Mac OS X (Snow Leopard) with a Windows 7 guest OS. They are networked using a bridge. I'm running a couple of local development web servers on Mac OS X and I want to ...
3
votes
1answer
2k views

Could you help me to understand netstat output?

I am trying to figure out how to get IP of a suspicious access point I am using to access the internet. Running netstat, I get the following: $ netstat -rn Routing tables Internet: Destination ...
1
vote
1answer
2k views

DD-WRT in bridge mode

I already have router which is Ubuntu PC. I need to connect my DD-WRT asus router WAN to Ubuntu routing PC in the way so DD-WRT will just bridge connection between wireless and WAN interfaces. Is it ...
3
votes
3answers
1k views

How to troubleshoot DHCP problems?

This question was originally titled "How to gather information about suspicious wireless access point?" but then this topic has been moved to another question, leaving here discussion of connection ...
2
votes
2answers
314 views

How do I setup VPN to access computers on another network?

I m working in a private firm. We have two offices at different places. In one office there are a set of computers connected through LAN. These computers are assigned private IP addresses as given by ...
2
votes
3answers
14k views

What does unplugging my DSL modem do?

My Internet connection routinely becomes slow. It still works, but it feels "clogged", and even the maximum speed it intermittently reaches is only 1/10th of the normal maximum speed. speedtest.net ...
1
vote
1answer
903 views

Ubuntu Server 9.04 computer freezes the entire network periodically

I've got a headless computer running Ubuntu Server 9.04 which I use for file sharing on the network and as a private web server. Every now and then, I lose my internet connection on my laptop, which ...
2
votes
2answers
216 views

Many programs blocked, some work, XP SP3

The problem is that many programs (such as all IE and other browers) cannot access the network. But let me explain before you get the wrong idea. I am quite familiar with networking in general, so I ...
1
vote
1answer
699 views

Map a network space to a Windows Drive in a scheduled job (script)?

I need to map to a network space a mapped drive such as S: for some other jobs. My box is Windows Server 2008. In Windows Server 2008, I can create a scheduled task with a bat job, and I can specify ...
1
vote
2answers
314 views

Is there a way to limit the use of an ssh tunnel to a single user?

I've created a tunnel between a shared machine and my machine which is behind a firewall, with the goal of accessing my machine from outside. I don't one all the users of the shared machine to be able ...