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

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I have split my PPPoE connection with an Ethernet switch and now I am getting the same speed in both PC simultaneously. why is that?

Not that I am complaining or anything, its just that I am overwhelmed! I have a PC and a laptop and a Netgear 5 port Fast Ethernet Switch. I connected both of my computers to the switch and started ...
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134 views

Block All Traffic and Allow from Defined IP only in IPTABLES

I want to create a gateway firewall for my network . I want to block all the internal traffic on gateway and allow it from two computers only . On gateway --> eth0 is network card in gateway PC ...
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73 views

Online computer not responding to pings

I was doing a bit of scanning on my network lately, knew all the hostnames to each computer connected. But whilst pinging one of them ping returned Request timed out.. This is strange as I know the ...
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52 views

Windows 8.1 NIC Exists in Two Networks at once

My ethernet adapter is showing in two windows network locations at once. How is this possible and how do I remedy it? The ethernet adapter is configured: IP: 192.168.10.100 subnet: 255.255.0.0 ...
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156 views

allow SSH to bypass VPN on OSX mavericks, openvpn, pf

My home computer connects to the internet through an OpenVPN connection. However, I would like to be able to connect to my home computer from outside over ssh. Ssh is set up and working, but when I ...
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637 views

VM connected to network but not to internet in VMware Player 6 on Windows 8.1 host

So I am running Bitnami's MEAN stack in VMware Player 6.0.2 on Windows 8.1 and the VM connects just fine to the network: https://www.dropbox.com/s/xfdzohjuuepz52w/ifconfig.PNG However, I am having a ...
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42 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
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38 views

Cannot access a shared printer on a network

I'm having problem right now. I can't access a shared printer on a network. I'm using a windows 7 pc. The problem is when I type an ip on the start logo search bar that has a shared printer, ...
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67 views

Create a second homegroup on same network

My network has a homegroup set already in one PC, but I do not want to use that. I want to create my own HomeGroup since I don't have access to that PC. I tried doing it from control panel and ...
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49 views

Turn my machine in a hotspot/proxy

My workplace does not provide a wifi... only wired connection... but my machine has a working wifi card... is there a way to "bridge" my wired connection, making my iphone connect to it and use it as ...
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54 views

Cannot route traffic between 2 networks

>C:\>netstat -r IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface ...
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716 views

How do I set up a bridge on Ubuntu GNOME 14.04

I found a guide for setting up a bridge in Fedora and was trying this: $ nmcli connection delete p33p1 $ nmcli connection add con-name br0 type bridge ifname br0 autoconnect yes $ nmcli connection ...
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59 views

Is there any reason to purchase a cable modem with a faster speed than your internet connection?

My cable provider allows you to purchase and use your own cable modem, from a list of approved ones. Some of them, e.g. the Motorola SB6141, are rated at a speed much faster than any of the internet ...
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22 views

Is there a way to view/access your computer over the network in boot mode

For systems with no IPMI or such built in, is there a way to access them over the network to do work and access boot options? If I am out and I have a machine doing a check disk, would there be a way ...
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128 views

cisco ePC 3208 router and captive portal

Ok, i have cisco ePC 3208 router, and cable internet goes in router via cable and router is emiting wireless. It can work without computer and it is working fine. Now i want to have capiteve portal ...
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38 views

Can you have 2 network boot servers?

I currently run Windows Deployment Services (WDS) to deploy default and custom created images. However, WDS can not do Linux as it requires .wim files. I want to also deploy Linux. Is it possible to ...
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176 views

Cablemodem (SBG6580) firewall denying some outbound traffic? Why? Not configured

I finally got around to turning the syslog on for my cablemodem (Motorola Surfboard SBG6580) and I'm seeing about the expected amount of inbound attackage being blocked... 2014-05-30 21:59:02 ...
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605 views

WD my cloud 4th is Super Slow

I am using a WD my cloud 4Tb and I have read other posts about users complaining about getting only 10Mb per second. My problem is that I am getting about 100kb/s to transfer a 125gb iPhoto library. ...
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26 views

How to route local traffic over switch?

I'm just cabled up at home but haven't got any way of verifying that gigabit speed can be reached. As I've only got one laptop with one network card, one cable, and one switch, I'm kind of stuck. I'm ...
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73 views

Why does WebDAV fail from inside home network

On my OSX server there is a folder that is configured in the Server App to be accessible via WebDAV. This folder is used to sync OmniFocus. On my router, I have set up a dynamic dns. When I am outside ...
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26 views

Route packets from any network to any network

Assuming we have the following network topology and CentOS 6.5 on each router, how can i set ALL traffic go from ANY host in ANY network to ANY host in ANY network? I have already enabled ...
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15 views

Consequences of removing a partnership in sync center?

Hi I have a windows 7 PC on our network, I don't think we need to have a sync partnership on it and want to disable it. If I disable it does anything get deleted or lost? or does it simply stop ...
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28 views

Setup LAN to serve webpages and voip and access to the web site from inside LAN with domain name

I'd like to know if it will work: I have my domain and I'm serving a webpage in a nginx to the internet, but if I type my domain in my laptop inside LAN I access to my modem/router configuration, I ...
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85 views

On a PPPoA ADSL Connection - What is the best MTU Size

As recently discovered, my ISP is currently using PPPoA in order to authenticate my ADSL connection. I would like to know the optimal MTU Size to use for this connection?
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150 views

Script to enable/disable IPv4 on a specific network adapter Win 7

For reasons I don't wish to get in to at the moment I need to occasionally disable Internet Protocol Version 4 (IPv4) on my wireless card, then enable it some time later. Currently I go into the ...
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52 views

IPTables and PPTPd

I'm trying to add the line -A POSTROUTING -i ppp0 -j MASQUERADE to my IPTables in order to allow VPN to have access to the entire internal and external network (eth0, and eth1), but when I try to ...
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67 views

Why do I often have to refresh pages I navigate to once for them (or content in them) to load?

I have noticed a bizarre pattern when using my PC, that when I open a link to a website, it often will often take a very long time to load, or time out. Sometimes content on the website will be drawn, ...
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99 views

Wireless clients on an access point cannot see each other

I have my main router in the basement and a dlink dap-1360 access point on the second floor connected by ethernet. I've assigned a static ip to the access point. It shares the same SSID as my router, ...
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57 views

Bypassing proxy for loopback/locahost

I am developing a web application where in I am running a webserver at localhost:3000 and my app is deployed on the same. Access to this URL through a web browser works fine because there is an ...
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88 views

iptables --append FORWARD required for routing between NIC alias IPs?

I have an ubuntu box with a single NIC. In order to bind a number of services (like apache, dnsmasq, etc), I have bound them to different alias's (e.g. eth0:0, etc), some of which are on completely ...
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46 views

How can I change names of network interfaces shown in “ip addr show”

Below is my partial output of ip addr show 10: ge4: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN link/ether 02:00:00:00:00:06 brd ff:ff:ff:ff:ff:ff 11: ge44: ...
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88 views

Windows Hosted SVN Repository Access on Networked Mac

I'm having some troubles with getting this working at the moment. I have a Win7 physical PC and I have a MacBook Pro running OSX Mavericks and a Windows 8 in a Parallels VM. I have both machines ...
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83 views

How can I bypass my modem with NAT to open my ports to the outside?

My Internet provider gave me a Modem-Router with WiFi capabilities but it has all ports filtered for incoming traffic. What I'm trying to do is to use NAT in someway that allows me to recieve incoming ...
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83 views

Internet Explorer - slow to open on WLAN

Having issues with IE11 opening on a newly built Windows 7 laptop. Laptop model is a Lenovo T431s. IE is working fine on LAN. When connected on WLAN it can take up to 25 seconds for Internet ...
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136 views

Changing Gateway and DNS addresses with batch file

I'm having a little crisis every time I have to change the gateway in order to access different sites from my workplace. It's time consuming and I'd be really glad if someone provides me with a script ...
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34 views

Connect to internet through two gateways

I am developing a library to perform port forwarding in NAT devices. Using SSDP (de discovery process) I can see two different UPnP servers that implement WANIPConnection service type, one is my ADSL ...
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50 views

How to disable DirectAccess for a specific program/website?

We are testing DirectAccess and are having issues with a core web application we use called AMS360. From what I can tell AMS360 uses a .net application as a backend for using the web application, ...
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45 views

Run shell script on incoming network package

I have a bit of a weird question. I have a setup where a Raspberry Pi (running that debian) sits next to a door in my office and is connected to the network. The idea now is that if somebody inside ...
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47 views

How to move a Debian pxe server on a new lan (VLAN)

I set up a Debian pxe server on a lan. Everything works fine. In case a VLAN is created and I want to put pxe server on the new lan, what should I do? I mean if the Debian pxe ip is currently ...
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38 views

How to connect to network without using network connection icon?

Sometimes when I want to connect to network, the icon for connecting in windows hangs and doesn't work.I must restart for activating the icon: I go to control panel/network and sharing , but yet ...
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21 views

Protocols in Proxy Server Settings

When I set Proxy Server in Internet Option->Connection->LAN Settings (Windows) which protocols does it support in which layers? HTTP, HTTPS, FTP or...? Download Manager also uses this setting?
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101 views

How do I fix these iptables?

I am trying to setup my networks firewall, and am having trouble because i keep getting kicked out of SSH because of mistakes. Here's what I currently have: # Custom Rules iptables -F iptables -X ...
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34 views

Same web service running on different network interface

Can I configure a web service, on linux ubuntu server 12.04, to be accessed by two different network interfaces on different networks? For example: My server eth0 is accessed by one subnetwork and ...
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1answer
68 views

Cannot pass the “Preparing to play…” (Samsung Allshare)

after some time investigating how this software/network connectivity works, I finally could link both PC and TV (Samsung EH6030) together, they see each other now, the TV is connect to a router, and ...
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33 views

Connecting my desktop to anything other than directly to my modem/router (wired) brings down my entire internet connection

A week and a half ago, I started having an odd problem: with my main desktop connected to my gigabit switch, my internet connection would go dead, not just for my desktop, but for all of my devices. ...
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64 views

Detecting cause of high in-bound network traffic

One of our Windows/Coldfusion/IIS webservers has been experiencing a very odd pattern of high inbound network traffic. In the picture above the red hum is out-bound traffic, and the yellow line is ...
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31 views

Application specific browsing two internet connections on same machine

There are 2 situations for which I am looking for a solution I am having 2 internet connections. One is a normal connection in our LAN (Wifi) , another is a USB Device which has internet ...
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27 views

VirtualBox: Network Sharing

I'm trying to set up normal network sharing between my virtualbox host and guest. When I use NAT networking, I can get internet on my guest, but I heard network sharing is not possible. I heard to do ...
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30 views

How to export current network configuration that I have on my System Preferences on mac os x?

I want to export all my configuration on my services on System Preferences and change all of them by export and importing all at ones. How to export and import all services and configuration for each ...
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73 views

Network connection to server lost, but not to internet

I have a network with four computers, each running Windows 7. All of them are connected to a central switch. My problem is that the internal network connection is lost very often, although internet ...