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

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VPN across cellular routers

Let me preface this by saying that I'm not a networking guy. I am outside my element on this project, so any advice, suggestions, or buzzwords are appreciated. I want to design a network where ...
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3 views

Wifi bridge doesn't work on OpenWrt->ZyXEL Keenetic Giga II

Here's the situation: main router ZyXEL Keenetic Giga II which provider's wire plugged into. another router (TP-Link TL-WR1043ND) flashed with OpenWRT Barrier Breaker 14.07. a Samsung Smart TV which ...
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1answer
47 views

Is it proper to route default gateway to the modem instead of the DHCP/DNS server?

My setup is a modem (no DHCP or DNS) connected to a network switch. The network switch is connected to a Raspberry Pi that acts as a DHCP+DNS server using dnsmasq. The thing is, all traffic from the ...
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8 views

Sudden bluescreens when interacting with the Steam platform

I recently made a build for a friend and things are running great, except he always gets bluescreens that indicate a hardware issue when interacting with the Steam platform. Bootscreens often occur as ...
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8 views

Adding the route to openvpn server on the fly

I would like to connect to my openvpn server without a default route for internet (just a route for DNS), and to dynamically add the route to the server once the server ip is resolved. The purpose is ...
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13 views

Ip Addresses and VMware issue

So I am doing this lab which requires using VirtualBox. Problem: I need to make three different Ubuntu VMs with different IP addresses. The IP information I am getting for my three VMs are ...
0
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1answer
18 views

Two separated networks with the same ISP

I have one ISP and I want to create two different networks in two different floors. I have 2 wireless routers and the ISP modem which has an integrated router with 4 ethernet ports. I want the two ...
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1answer
5 views

Where is Host-only Networks setting on VirtualBox 4.3.12?

I'm using VirtualBox 4.3.12 r93733 (with Ubuntu as guest OS, and Windows 7 as host OS). Trying to configure a Host-only Network, I expected to see the following window (or similar): However, ...
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4 views

Route everything over virtual interface without dropping backend connection

I've got vpn-ws setup on my server. I'm connected to a public wifi which has blocked many ports blocked (obviously not 80 and 443). When I connect to domain.tld/vpn and run dhcpcd, I get IP address ...
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6 views

VPN failover on Tomato Router

I've configured two VPN clients on my router to ensure some of my traffic secure. One of the client is the major one and the other is the alternative one. I'm now using custom routing tables and IP ...
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0answers
16 views

Home Fibre Broadband User, 30+ devices, best solution

I have a BT Infinity Fibre broadband connection (72mbps), with over 30 devices connected to my home network via WiFi (Bt Home Hub 4). Devices include MacBooks, iPads, 4x iPhones, 4x Kindles, 2x SMART ...
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9 views

Wireless internet has 10 minute periods of lag

I have a windows 8.1 asus desktop computer that connects to the wireless router and gets an ip address (dhcp) and is able to surf the internet. After about 2-5 minutes of using the internet, it ...
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30 views

Setup website for home which works offline (No Internet)

I know that though I don't have internet, I can access and set my router configuration via http://192.168.0.1 (or other similar IP addresses). I want to know if I can set my website same way like ...
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1answer
17 views

www prefix is not working locally

Hi i recently put a web page online on a synology NAS, the problem is the following: When typing www. before my domain name the page is not loading This is what i got so far: Added both ...
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1answer
10 views

VirtualBox bridged adapter not working with one network

I have been using VirtualBox bridged adapter with some networks and it has worked right. But a few days ago I have tried it with a new network and this time it has not worked. The only difference in ...
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3answers
37 views

Is IP address assigned to a network interface?

I heard MAC address is assigned to a network interface. A computer or router can have multiple network interfaces, so can have multiple MAC addresses. Is IP address assigned to a network interface ...
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20 views

asus router avoid plug internet line into local port to avoid parental control [duplicate]

I am setting the parental control for my son. But he always plug the internet line into local port of router and then he can access internet without parental control. How can I disable the local port ...
0
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1answer
15 views

can i apply QOS for the attached network diagram?

is it possible to apply QOS for the attached network diagram? all traffic passes through the gateway pc. i want to know if the QOS policies i created on this pc controls all the traffic that comes ...
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2answers
12 views

VLAN trunking on interface only pingable from hosts on its VLAN

I am trying to set up subinterfaces on my Ubuntu 14.04 server for each VLAN. I believe I have successfully set them up using vconfig, but the subinterface is only pingable from hosts on its own VLAN. ...
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3answers
40 views

Why does my Linksys WRT54G have three MAC addresses?

I am using a wireless network created from Linksys WRT54G. From 192.168.1.1 (the web for configuring WRT54G), I saw an MAC Address: xx:xx:xx:xx:xx:20 From the bottom of the WRT54G device, I saw ...
2
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3answers
29 views

Why does Linux accept traffic on unconfigured loopback addresses?

On at least two version of Linux (Ubuntu 9 and Debian 7) I've noticed that, even though I only have a single loopback address configured on lo (the standard 127.0.0.1 one), it happily accepts packets ...
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9 views

Browsing network shares (SMB) causes spike in latency

I've managed to narrow down an incredibly frustrating problem with intermittent latency spikes on one PC on my LAN (Win7 Pro x64) to connecting to SMB shares. I have other Win7 Pro PC's that don't ...
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1answer
28 views

Which layer of network stack does access point operate?

Which layer of network stack do access points operate? (My question also leads me to wonder Which device can create a new network?). My question arises when reading Tanebaum's Computer Network: ...
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1answer
25 views

Which device can create a new network?

An example: I connect a Linksys WRT54G to my ISP's cable port on the wall. Each machine connected to the router has an internal IP. I think that I have created a new internal network (both wired and ...
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17 views

Internet Usage Monitoring

I have a WiFi enabled ADSL Modem/Router (ASUS DSL-N10) connected to some devices (PC, Mobile, ...). It's connected to internet via Cable or WiFi through this Modem. I need to monitor traffic used by ...
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16 views

Linux Command to set TCP window size [on hold]

I want to send TCP packet with window size 65535 (0xffff). I m looking to set the TCP window size to 65535 on my linux system. I know that there is the sysctl command but I could not find how ...
1
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1answer
54 views

Hosting my website from home

Ive, for some odd reason, have always fantasied about hosting my own web site from home... I know security wise it isnt the best thing in the world but Im looking for a new tips on that today. The ...
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8 views

Losing Internet connection on a Sitecom WLR-3100 Wi-Fi Router X3 N300

At home, I'm using a Cisco router and DD-WRT'ed Linksys access point to connect my Android smartphone and Ubuntu laptop to the internet via Wi-Fi. I've never faced any problems here. Neither have I on ...
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5 views

setup vcan interface to be activated on boot

I want to setup a virtual SocketCAN interface on boot. The following lines do what I want (manually): ip link add dev vcan0 type vcan ip link set up vcan0 (or) ip link add dev vcan0 up type vcan ...
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20 views

I am connected to a single network but two connections are shown

Okay so I was trying to assign a static IP for my pc just with normal procedure but after I did so I got this. Can anyone enlighten me what is wrong or if everything is right? But amazingly the ...
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20 views

Wi-Fi soft handoff using more antennas and long cables?

I have to organize a show in an underground car park. I have: 1 car running fast in the parking lot; 1 Android smartphone in the car; the Android smartphone has to connect with a PC in real time, ...
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1answer
43 views

What is the difference between these 2 twisted pairs?

I have two cables marked: BELDEN 1583e utp cat5e 4pr awg24 iso/iec 11801 en50173 ec verified 100 ohm 1002069 ESSENTIAL utp cat5e by nexans EC verified 4pr awg24 lu0306 Both connected to TL-SG108E ...
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1answer
25 views

Windows 7 network adapter device name using winpcap

I am trying to use winpcap for an application that is to be used on multiple servers in a production line. One thing that annoys me so far is the Windows 7 device naming convention, which is a long ...
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14 views

Internet sharing between PowerMac G3 running Linux and Windows 8 computer

I have a PowerMac G3 on which I have installed MintPPC Linux (a version of Debian) so I can run it as a web server. This computer has two network cards, one is in the motherboard and one is a PCI ...
0
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1answer
28 views

Implement QoS on home network (maybe using a Synology NAS)

My home router (Technicolor TG784n v3, firmware version 8.G.M.1) has no Quality of Service (QoS) settings. Still, I would like to implement QoS, mainly to be able to control bandwidth occupancy by ...
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2answers
38 views

What might cause high latency when bandwidth is saturated?

I've been having network problems for a while and I'm trying to track down the source of the issue. Yesterday, I was transferring a file from my laptop to my desktop with SCP, over my wifi ...
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24 views

I need to connect up to 3000 people to wifi simultaneously. How can I do this and would I require to do so? [on hold]

I got an inquiry from a client who requires to have WIFI connectivity for an event. This event usually has approximately 3000 people walking in and out of the location at any given time. The event ...
2
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0answers
22 views

FTP experts needed - FTP with TLS doesn't work, nor can i change port in pure-ftpd

Hey guys! I have been having problems with my ftp server that i have tried fixing for over a week now, and i was wondering if you could help me with it. My configuration: I am running Raspbian on a ...
0
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1answer
29 views

What does exactly transmission delay represent?

I understand that propagation delay is the time it takes for a bit to reach the far end, and that it's pretty close to the speed of light. What I don't understand is what the transmission delay ...
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0answers
17 views

Range of intermittent network / router problems

I've recently moved to a new house and is experiencing a range of intermittent network / router problems. I use an ASUS RT-N66U wireless router which have worked great in my previous apartment, and ...
0
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1answer
23 views

How to RDP machine “C” from machine “A” when machine “B” is in the middle

Ok, I'm working on a rather complex network arrangement so I'll try my best to be clear. There are 3 PCs: A, B and C. A: Ubuntu 12.04, the one on my desk: it's part of an intranet 125.1.x.x/16 B: ...
1
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1answer
58 views

VPN over seperate instance OpenWRT

I am trying for a few days to get this going but so far i have not mamaged to. My situation is pretty much alike VPN on SSID #2 (OpenWRT) however slightly different. In my situation i am using ...
1
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2answers
34 views

Links and transmission rates

Let's say I have a short copper wire that I wish to transfer bits through. I can push a bit on one end of the wire, and in no time (almost the speed of light) the bit will reach to the other end, and ...
0
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1answer
35 views

Can't connect to host by hostname

I have a problem which can be described by these four lines $ host example.com example.com has address 10.10.10.10 $ ping example.com ping: unknown host example.com As I see, hostname resolves ...
1
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1answer
16 views

how to determine which side causes the intermittent ping failure

Recently co-workers have been experiencing random connection drop problem with one of the servers. If I ping the server 10 times in a row from my windows client machine, I can see quite a few of ...
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22 views

How to connect to my other home network?

I have an ADSL modem from my ISP. I have another Tenda router that is connected to the ADSL modem via twisted pair cable. I connect to the internet using Wifi from the Tenda router. The ip address of ...
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5 views

linking a network printer to a different network [on hold]

I'm working in a big enterprise company ,in my company we have two types of employees (Staff,contractor).so far we have a two WiFi and LAN network one for staff (Staff network) ,and one for contractor ...
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28 views

Bypass Internet Filters [on hold]

I am trying to bypass restricted internet access by running it through some sort of server. I need suggestions. I can not connect to a VPN. I can set proxy settings, but I have applications I need to ...
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0answers
22 views

How to use QOS (quality of service) on windows 7

i have 15 computers on LAN and other clients who connect through wifi. all connections pass through a windows 7 computer. i want to give high priority for some applications, urls, ip addresses using ...
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0answers
12 views

Network Adapter occasionally not able to connect

Sometimes my network adapter will require that I disable it and then reenable in order for it to work again. The problem is that it gives no indication that there is a problem with the network until ...