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

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How do I repair Android DHCP issues?

My phone plan comes standard with a lot of data and as a result, I've been regularly using the Mobile Hotspot feature built into it, on my laptop. The phone is a Samsung Galaxy S5 and is rooted on a ...
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1answer
8 views

What is the difference between ARP binding and DHCP address reservation?

In my TL-WR1043ND I have these functionalities and both of them pair an IP address to a MAC address. What is the difference? I red that the ARP one is there for security reasons, others say it is for ...
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0answers
18 views

Nslookup works but ping fails

I've recently ran into this weird problem where the domain names fail to resolve from DNS. When I try to ping google.com, I get ping request could not find host google.com, but nslookup returns the ...
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1answer
13 views

LAN adapter disconnects and can take a long time to connect to the network

Pretty much summed up in the title. It is only 1 out of 3 machines on my network that has this issue. Occasionally, Windows explorer takes about 10-20 seconds to connect to my network drives. Certain ...
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1answer
13 views

How do I add laptop to DC through wifi?

I have a desktop running a few VMs, one which is a domain controller. I'm wondering if there's anyway for my laptop to connect to the domain controller over wifi? Is what I'm looking for possible?
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11 views

Transferring Files Over Ethernet to Network Storage Kills Internet Connection

I have an Airport Extreme router (newest model) with a USB drive attached that I transfer files to. My Mac Pro (3,1 running latest Yosemite) is connected to this router via Ethernet, and I've been ...
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0answers
5 views

Internet connection issues on Yosemite

I'm having troubles with internet connectivity on Yosemite, MacBook Pro (late 2014). When I'm at home internet works great. I'm connected through wifi to a standard modem/router. The problem is when ...
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1answer
11 views

Two Vagrant VMs caused network issues

It seems that when I make a new virtual machine, my private networks are not reachable from the host. I assigned different IP addresses to both, and included them in my /etc/hosts file, however I'm ...
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0answers
7 views

Sharing PC internet with Android device fails after restart

I share my PC's internet with my Android phone running KitKat via USB by using system settings. It worked at first, but after that (after restarting the PC) it doesn't share the internet connection ...
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0answers
6 views

Sharepoint site and Excel files often prompting for login when accessed from corporate network

Since about one month ago a number of users have been experiencing problems accessing a Sharepoint 2010 system we have hosted externally. They are prompted to enter their login details when accessing ...
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1answer
5 views

Link-local (zeroconf) networking with multiple hosts/interfaces

I have a machine (hostname foo) with two wired network interfaces, eth0 and eth1. When I connect another host bar to one of them (eth0), I can see in either one's NetworkManager that it's using ...
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5 views

Limited network connectivity when SSHing through an OpenVPN tunnel

I have setup an instance of OpenVPN with a public IP to allow access to a private subnet on Amazon EC2. I am able to SSH onto machines on the private subnet through OpenVPN but when I do I have ...
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1answer
19 views

Centralized Captive Portal

I have a client want to do captive portal on their hotel, where when user connect to their wifi, they will be redirect to their hotel website before can start using wifi. The problem is, their ...
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1answer
15 views

Overlapping address error in Packet Tracer (subinterfaces)

I have two subnets. 172.24.99.64/25 and 172.24.99.192/27. for some reason when i input 172.24.99.190 255.255.255.128 in g0/0.10 and then input 172.24.99.222 255.255.255.224 in g0/0.20, it says ...
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0answers
6 views

Is the Mercury router dropping PPTP packets?

I managed to connect my PPTP VPN server with Huawei router + Asus Ap at work. When I get home with my Mercury router, I can establish connection to the server which means at the server side, has ppp0 ...
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1answer
17 views

How to force application using localhost:9000 to shut down

So I'm not the smartes fellow when it comes to ports and networks and things like that, maybe why I now is in this situation. So I'm trying to connect to localhost:9000 with a AngularJS project I ...
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3answers
20 views

SSH broken pipe kills foreground process

I have 2 hosts that I can connect them through SSH. In one host, after a while, I get the error Write Failed: broken pipe. In the other host, I don't get this error. I don't understand why in one ...
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0answers
6 views

Troubleshooting connectivity issues a remote windows server 2012

We have a remote server one of our clients dials into. There are around 50 users logged into this. OS is Windows Server 2012. We are finding it difficult to troubleshoot connectivity issues because in ...
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0answers
13 views

Setting up wifi network with OpenWrt

I have router MR3020 with OpenWrt. I need wifi network with access to an admin panel of the router and the Internet from the another network. I have another network "BigWifi" (not mine), and I ...
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2answers
31 views

Can not go to the router admin page through 192.168.1.1

Just install the router and can not access to router admin page when I go to cmd and type ipconfig, it show something like ipv4 1.64.23.97 child network mask 255.255.255.255 default gateway 0.0.0.0 ...
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1answer
27 views

ping error two nic cards in linux pc

The problem I'm having is two NIC in my RHEL 6 server with different IP-addresses. PC1 eth0 - 10.10.0.1 eth1 - 192.168.1.1 The other computer is setup the same way. PC2 eth0 - 10.10.0.2 ...
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0answers
7 views

openvpn on load-balanced network

I'm running Tunnelblick (OpenVPN client) on OS X 10.10.3 to connect to my server back home. Everything works once the connection is made; that's not the problem. The issue is that I, the client, am ...
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0answers
19 views

Unable to connect to OpenVPN outside LAN

I've setup OpenVPN behind a router, and port forwarded 1194. The VPN is using the subnet 10.3.15.0/24 and has 192.168.1.14 on the LAN. It works when I'm connecting locally, or from my home network ...
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0answers
21 views

Command to see my current ip if proxy is applied only for a certain website

It might not be a relevent question here on so, but I tried on http://networkengineering.stackexchange.com and there are less users + they redirected me here. So, I am not a networking guy and I have ...
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0answers
27 views

Trouble at Setting Up Webserver

I decided to use a Raspberry Pi (with Raspbian) as a home webserver and NAS. I have installed on it Apache, Owncloud and Samba (for an easier approach for accessing files inside home). I also ...
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1answer
31 views

Possible to assign a domain name an IP adress on a router?

Is it possible to assign a fixed adress for some hostname on a router? What I mean is not to assign IP adresses to a local machine, rather to sepcify an adress for some specific host (like google.com) ...
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0answers
20 views

Viewing Xbox One Network Traffic

I am trying to view the HTTP/HTTPS traffic going from my XBOX one so I can see what is being requested. I started off trying to use Charles proxy like this https://www.youtube.com/watch?v=MP4ZcwSHxbw. ...
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1answer
17 views

Laptop can't access Desktop, but Desktop can access laptop [on hold]

My Windows 8 laptop sees my Desktop Windows 7 machine, but is denied access. The Desktop, however, has no such problem: it can access files on the laptop.
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1answer
16 views

Serva Login 0x35 NetPath not found, wrong credentials, or unreliable net

I'm trying to install Windows 8 via PXE network boot, I'm using Serva for this. When I get to the ServaPENet screen on my client I can't connect. Drivers are installed (I tried three different ...
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2answers
999 views

Steps to find the public IP address of a computer from scratch [on hold]

I am aware of services like http://whatismyipaddress.com/ that allow a user to find his public IP address. What I'd like to know is, HOW such a service gets written from scratch? I don't need the ...
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0answers
17 views

Network issues when connecting to certain people/networks [on hold]

My problem is pretty unique to say the least. Me and my friend noticed this problem a couple months back but i didnt really care about it. Okay so the problem is that im only laggin to certain ...
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0answers
12 views

Long SMB session setup delay

I have a Windows machine connecting to an SMB share on a local Debian server. Everything works flawlessly, when it's connected, but the first connection (either after a boot / reboot, or after ...
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1answer
19 views

Why can't I reconnect to WiFi without reenabling “plane mode” in WIndows 8.1?

If I connected to any network, I should enable and disable "plane mode" to connect to other network or reconnect to the same. If I try to connect without this, I see monitor with red cross in tray for ...
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2answers
21 views

Bridging Firewall to Public Wifi

My building offers wifi to its residents. It is not managed by IT professionals. I would like to use this internet source some of the time, but would like to be protected from machines on that ...
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0answers
24 views

Connecting 3 PCs in a LAN

I'm running on GNS3 and in my topology I've connected 3 PCs. PC1 is connected to PC2 via eth0 and PC3 is connected to PC2 via eth1. I can only ping between PC1 and PC2. I cannot ping between PC2 and ...
3
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0answers
21 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
1
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1answer
23 views

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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0answers
13 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 ...
3
votes
1answer
59 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 ...
2
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0answers
28 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 ...
0
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0answers
10 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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0answers
16 views

Ip Addresses and VMware issue [on hold]

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
22 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 ...
0
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1answer
10 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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0answers
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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0answers
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
20 views

Home Fibre Broadband User, 30+ devices, best solution [on hold]

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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0answers
12 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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0answers
34 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 ...
0
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1answer
18 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 ...