The tag has no usage guidance.

learn more… | top users | synonyms

62
votes
7answers
25k views

The locking clip/tab on my Ethernet cable's plug is broken. How can I fix it?

I have a 10 meter long Ethernet cable. One plug has the little locking clip missing, just like missing the part in red ellipse in the following picture. How can I fix it? Is this something I ...
19
votes
2answers
12k views

Does All LAN Traffic Travel Through A Router

I have a very simple question: if I have a router (DHCP enabled - leasing IP addresses between 192.168.0.2 and 192.168.0.254) with a switch plugged in, and I plug two computers into the switch, will ...
17
votes
6answers
91k views

Missing eth0 Ethernet interface in Ubuntu — can't connect to router

I'm having trouble getting my Ubuntu 10.04 machine (Sony Vaio VGN-SR490) to connect to the Internet by way of an Ethernet cable connected directly to my router. I'm able to connect to the Internet ...
14
votes
7answers
2k views

Getting IP address of direct-connected computer

I’ve connected my working computer with another one using direct Ethernet cable. The other machine has no peripherals attached and I want to access it using RDP and SMB. The IP addresses are ...
8
votes
3answers
572 views

Will a 100 Mbit/s wired router slow down my internal network speeds? (See diagram)

Now I understand that my Internet speed is determined by my weakest link, which in general is based on what speed I pay for. I am looking at purchasing a new wired router and the one I want is only ...
7
votes
3answers
16k views

How do I connect Ubuntu 10.04 and Windows 7 with an Ethernet cable?

I'm looking for a way to directly connect my Windows 7 laptop and my headless Ubuntu 10.04 server. (Desktop edition is installed, for my own reasons.) I have a regular Ethernet cable. My problem is ...
7
votes
1answer
46k views

Ubuntu 14.04 wired connection detected but no internet access

I have no wired connection internet access on ubuntu 14.04 even though it is detected, my computer connected to the same router has. $ ifconfig eth0 Link encap:Ethernet HWaddr 4c:72:b9:7e:b5:61 ...
5
votes
3answers
469 views

Connect two users to internet with one wired socket

I am a university student, and I live at a student hall. My student hall, does not have WiFi, (and does not allow someone to install a router), and I only have a socket to connect to the internet by a ...
5
votes
3answers
17k views

Multiple network connections on Windows 7

I'm using Windows 7 and I have 2 networks: one wireless with internet connection one wired with no internet connection The computer is connected to both. The problem is that although in Network ...
5
votes
2answers
143 views

What can cause my horrible download speeds?

I assembled a Windows 7 machine a few weeks ago, and now I noticed my download speeds are abysmal. Copying to this computer is about 150kbyte/sec, on a Gigabit LAN. Copying from it is fine. It is ...
5
votes
3answers
1k views

How do I take my home office network from consumer-grade to small-office grade performance?

I work from home and all my communication and all my home entertainment is done over IP via my home network. I'd like to take my consumer-grade home network to the next level but I'm unsure where to ...
4
votes
1answer
401 views

New construction - cat 6A. Will cat 6A patch cords work with my cat5e computer/switch ports?

In the planning stages of a new school construction project. What is the current recommended wiring standard for this type of communication A/V heavy structure? Assuming it is Cat 6A, and all ...
3
votes
3answers
13k views

How to make a Gigabit Ethernet crossover cable?

Nowadays, I usually make EIA/TIA-568A crossover cables for Fast Ethernet(10/100 Mbps) networks. On these cables, just 2 of the 4 wire pairs are used to comunications(the 2 remaining could be used for ...
3
votes
2answers
2k views

Connecting a Wifi router to receivers with a cable instead of antenna?

This is a very strange question--I'd go so far as to say it's a stupid question. I'm being told that it is possible to, to describe it briefly, use a cable to connect an access point and a receiver ...
3
votes
1answer
34 views

How can I quickly set up a lab with 802.1x wired authentication? (without a switch)

I want to experiment with 802.1x wired authentication and I don't have a switch with such capability. How can I quickly set up a lab for that purpose? (e.g. take a Linux machine and make it act like ...
3
votes
2answers
547 views

Multiple networks on 1 cable

I currently pay for a package with Xfinity. I am getting cable & internet into my place (residential). Recently, I decided to start studying for a CCNA R&S. So I picked up a lab, a Dell ...
2
votes
2answers
62 views

Is there a way to use a modem on more than one wired computer?

To run two cables (for wired computers) from a modem? My family has a DSL modem that we connect to via Ethernet and we would like to be able to use more than one wired computer on it at a time... Is ...
2
votes
1answer
55 views

Unstable wired home network

I'm not a networking guy and I'm not sure what more I can do to troubleshoot / pinpoint the issues I'm seeing. I have a fairly simple network layout as shown in the diagram below. The Router I can ...
2
votes
2answers
4k views

Why wouldn't an ethernet interface advertise gigabit speed if it's capable?

I have a laptop with a gigabit capable ethernet interface: # lspci -vvnn -s 08:02.0 08:02.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet [10ec:8167] ...
2
votes
1answer
4k views

How do I configure my wired router to get its internet connection from another computer?

I'm connected to the internet wirelessly (via xfinitywifi) on one laptop and I want to share that internet connection via a Linksys BEFSR41 wired router. So far, I've tried to connect the ethernet ...
2
votes
1answer
180 views

How do I prevent my broadband connection from resetting my MTU?

I'm using an old PC as a Linux-based firewall, running Ubuntu and Shorewall among other things. It has 3 discrete network cards in it: one for the internal network, one that connects to a cable modem, ...
2
votes
1answer
953 views

How to set up a netbook to act as a bridge

I have a netbook that I want to set up as a bridge (that's the only thing I want it to do, I don't use it for anything else anymore). I want to bridge wlan0 to eth0 (see picture below) Ethernet ...
2
votes
0answers
90 views

Windows 7 - 2 simultaneous network connections

I have two (onboard) ethernet adapters that I would like to use to access both a LAN (used to communicate with a highspeed camera) and the internet. After implementing recommendations from these two ...
2
votes
1answer
632 views

Home cat6 Ethernet wiring not connecting with cat5e cables

I'm having trouble wiring home with Ethernet. I want to be able to connect my laptop to the internet via the Ethernet jack in my bedroom while having my router/modem in the living room. Last year ...
2
votes
1answer
507 views

How do I keep Windows XP computers from turning Master Browser elections back on?

I have a wired LAN network that includes two XP computers and a Windows 7 computer. I previously turned off the two XP computers from running in the master browser elections so the Windows 7 computer ...
1
vote
1answer
6k views

Reinstalled Windows 7. Ethernet not detected anymore

In fact, wireless was not detected at first either for whatever reason, until I pulled out my USB wifi adapter and put it back in. Right now, Local Area Connection does not even show up in Control ...
1
vote
1answer
2k views

Possible to use a crossover cable to share internet between Windows 7 and Ubuntu?

All right, I have a machine running Windows 7 that's connecting to the wifi network at my apartment. Unfortunately, they won't give me another access code for the network, and I would like to get my ...
1
vote
1answer
510 views

How to test the throughput between 2 Network adapters on the same PC? [closed]

The motherboard of my desktop PC features two Ethernet ports. Each port has its own network controller from Realtek and they are both capable of Gigabit Ethernet. Now, I have this crazy idea to take a ...
1
vote
1answer
10k views

Use computer as a virtual wired router

My dad's wireless router is on the opposite end of the room than the TV and I brought over my xbox 360 to play this weekend. However, I lack the will to purchase an overpriced wireless adapter and I ...
1
vote
2answers
168 views

Windows XP System Has Limited Connectivity With Multiple Routers

My folks have a Windows XP system (fully patched) that recently stopped communicating with the local router. Wired connectivity is as follows: Computer >> Router (Netgear WGR614v6) >> DSL Modem >> ...
1
vote
1answer
3k views

Windows 7 crashes on wireless/wired internet connection

I've just started to encounter a problem with Win7. My PC is fine until I connect to the net using wireless, wired or even iPhone hotspots through USB. I use a dongle for the wifi and can connect it ...
1
vote
1answer
353 views

Bypassing the router doesn't work?

So I'm trying to bypass my router, just for kicks. I thought it'd be pretty easy, just connect the router-modem wire to the computer, and I did just that, but I'm not getting an internet connection. ...
1
vote
1answer
88 views

Why would a layer 3 switch ever need more switching capacity than all ports full-duplex?

I've read a few different places about switching capacity etc. From these items I've learned that in order for a switch to be non-blocking, the switching capacity of said switch must be double the ...
1
vote
2answers
2k views

Using a WRT54G to provide wireless capability to an existing wired network

We have an existing 100Mbit wired network. All the PC's are WinXP. The internet comes in via a wireless modem that connects to a one of the workstation via USB. So this W/S runs with a fixed IP ...
1
vote
5answers
2k views

Minecraft and Networking

I am a college student on a small campus. The school's network is set up like so: one single router with a bunch of different subnets connected to it. A friend and I would like to play Minecraft, and ...
1
vote
1answer
758 views

How do I share files between MacbookPro over WAN to my PC over LAN?

I have a wireless router set up, connected to the internet through a modem through LAN, connected to my PC through LAN, and connected to my Macbook Pro via WAN. Here's a rough image of the network map ...
1
vote
1answer
2k views

Why does traffic between two computers on a switch still travel through my router?

After reading Does All LAN Traffic Travel Through A Router as well as my previous experience, I'm surprised that traffic between two Mac computers on a Gigabit 5-port switch (Netgear Model GS105) was ...
1
vote
1answer
3k views

Configure router and switch to share internet over network

We have one TP-Link ADSL (Modem/Router) and one D-Link 5-port switch connected via a CAT5 cable. The TP-Link has configured ADSL internet connection and is working. We also have 4 client pc (all ...
1
vote
1answer
956 views

What could cause wired internet latency to increase between wired users?

I have 3 roommates (4 people total). Three users, including me, use wired internet. The fourth uses wireless internet (connected to our network). During the evenings, they complain of high network ...
1
vote
1answer
3k views

Motorola SBG6850 / Linksys WRT54G network problem

I am trying to resolve issues with connecting my desktop and LAN capable printer to my network. I recently upgrade to the Motorola Cable Modem Gateway SBG6580 and have TWC coming into it, this works ...
1
vote
3answers
212 views

Is it possible to build a fully functional LAN without any router, only with a switch?

I have used Link Local protocol several times but only to link two computers or a computer and another device to transfer files via FTP. But does Link Local protocol work for multiple hosts. Let's ...
1
vote
0answers
59 views

When a computer wants to send a IP packet to another computer in the same network, how does it know the destination MAC address of that host?

I know that switches are better than hubs because they can forward an Ethernet frame exactly to the host that has that specific destination MAC address. However, when two computers communicate, they ...
1
vote
1answer
19 views

Prevent users from accessing a folder in a mapped drive

I run outlook backups to the server within my company, I have a mapped a drive to all computers within the company and a folder within it as where the backups go to automatically with the help of ...
1
vote
1answer
106 views

Mobile Broadband connection disconnects everytime

I have LG G3 (32GB/3GB) When I tried USB tethering with my Ubuntu vivid it connected but after about 20-30 seconds it disconnected. I tried with two laptop which are running Ubuntu vivid. And it ...
1
vote
0answers
45 views

Windows 7 Home Premium - Networking/Internet/Services Problems?

Okay I made a horrible mistake, I take full blame. I was wanting to improve performance, and modified my services according to the Black Viper Win7 Services Guide. ...
1
vote
1answer
123 views

Linksys router gives good IP to wireless client but not to wired client

Setup: I have a Linksys WRT54G router running DD-WRT. I changed the router's IP address from 192.168.1.1 to 192.168.2.1 and set a Wi-Fi password, but other than that it's a default DD-WRT with ...
1
vote
2answers
131 views

Lan to wan or lan to lan repeater

I find a lot of tutorial how to set up repeater but this will not work, because signal between main router and router that i want to make a repeater is poor. I have been using second router as ...
1
vote
1answer
194 views

Cannot access the Internet even though it shows to be connected on Ubuntu 14.04

Installed Ubuntu 14.04 LTS, have a wired connection and ifconfig shows an IP address is assigned, yet I cannot access the Internet: chetan@chetan-Aspire-E5-511:~$ ifconfig eth0 Link ...
1
vote
0answers
90 views

Why am I invisible to the devices on my network?

I've been using a DLink powerline adapter to establish a wired connection to my upstairs PC. A couple times a day, for sometimes hours at a stretch, I lose the ability to communicate with other ...
1
vote
0answers
210 views

What's the static IP address, subnet mask, etc, for VMware Player

I'm trying to set up Arch Linux in VMware player. I set up the player so that it automatically connected the guest to the internet, and it worked (I could download the packages needed for install, ...