A router is a device that forwards data packets across multiple networks. Questions tagged with router can cover router hardware, software, and network configuration.

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How to repeat a WIFI connection to other devices from Laptop to MIFI 2

On our sail boat I have a strong antenna to pick up guest WIFI hotspots. The antenna is connected to a lap top through a coax cable. I also have a MIFI 2 to connect devices using a data plan. Is ...
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Android virtual router

I just bought a chromecast and unfortunately it requires at least three devices; 1- The Chromecast 2- A device to control the chromecast (in my case a Tablet) 3- A WiFi router I was ...
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119 views

Vigor router not passing netbios request

A client has decided to change ISP. The new provider has supplied a Vigor 2830 which I am failing to configure correctly to replace the existing router (Thomson 585). A Dell 2800 running Ubuntu 14 is ...
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211 views

Can a VPN service totally hide my computer from WiFi network discovery like no computer connected?

There are many devices connected to WiFi router and one can easily know how many devices are connected by using various network discovery tools available for windows and Android or by brwosing router ...
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59 views

Extend existing IPv4 network by embedded System with its own network (different subnet)

I'm developing an "embedded device" using a self-made RTOS that should be connected to arbitrary customer IPv4 networks. Let's call this embedded device "master". Additionally to the NIC connected to ...
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381 views

Configure Windows 7 to bridge from LAN to VPN

My Notebook is connected to the Internet through WLAN using a proprietry VPN connection to my company. There is no other way to use this WLAN, only via VPN. I've got a bunch of mobile devices (for ...
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173 views

Connect to nodejs through public ip address

I have a basic node express app running on port 3000. I can access it via 127.0.0.1:3000, my private ip is 192.168.1.2 I've set up portforwarding in my d-link router as followed: Private IP ...
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68 views

How to get my router to forward IP address to web app?

My web server is behind a Microtik router v6.1. My web app is only able to see the router's IP when referencing "REMOTE_ADDR" or "HTTP_X_FORWARDED_FOR" (asp.net app). How do I enable "IP forwarding" ...
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339 views

Wake On Lan works w/ Magic Packet But Not w/ Network Activity

My goal is to allow any network activity to wake up my Windows computer. My system currently wakes from sleep without any problem when it receives a Magic Packet but despite being configured to wake ...
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44 views

Router suddently stop working, new router doesn't work either

So I live in a student dorm and I have an Internet connection provided by the University. We are supposed to have an ethernet cable plugged into a socket on the wall, the Cable connection is called ...
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82 views

2 Routers on network, can i have them do different DHCP

I'm trying to fix a network that we want to have private and public access. Currently they have Verizon service with the actiontec wireless modem/router as the main router. They have the office ...
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46 views

Setting up dd-wrt router as extender when primary router has username and password authentication

I am trying to extend my wifi using a dd-wrt router as an extender. The problem I'm having is that my primary wifi is authenticated with a username and a password. As far as I can see the dd-wrt ...
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69 views

Router stops giving internet randomly while modem continues to work

My internet provider had installed in my house an Alcatel modem (FTTH). I have a dd-wrt TPLINK router. For months my internet was working perfectly having the modem (bridged mode set by ISP) ...
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112 views

Port remains blocked after opening

I have a TP-Link WR841ND Router. To test a server, I've had to open port 69. When the router is connected to my internet at home, and I do the router's routine of opening a port (I know how, have ...
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2k views

Can someone help me understand ALG and VPN settings on my router?

I'm looking at the settings in my TP-LINK WDR4300 router and noticed settings for VPN passthrough and ALG. Every single option is enabled but I am hoping someone can help me understand these settings ...
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187 views

Accessing Servers without Port Forwarding

So I'm stuck in a conundrum. I can't buy a server, and I'm stuck with this ISP who refuses to give me a new router. They have given me a ZTE Router (ISP is Cincinnati Bell FiOptics (great speeds ...
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pppd retry issue with multiple wan interfaces

I am using two wan connections in my router with linux kernel 2.6.21. PPPOE Ethernet cable and 3G connection. Both need ppp setup. But boot sequence is different for both. many times 3G disconnect and ...
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148 views

Router during high traffic usage loses internet connectivity

I have a ASUS N56U connected to my modem. My direct connection to the modem works fine but my wifi seems to suffer from disconnections when I'm on skype or playing League of Legends. The disconnection ...
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290 views

Modem and router suddenly won't work. When modem is plugged into router, modem's LAN LED won't light up

I have a D-link DIR-600 router and a TP-Link TD-8816 (ver 6.0) modem. I had them configured to modem on bridge and router on PPPoE for a long time, they worked fine. Today I woke up to no internet ...
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58 views

Internet connection dropped when nat created and routed via vpn [linux+iptables]

I've got a very frustrating network issue. Currently I'm living in a hotel in which I need to authenticate through a website in order to obtain internet access. I've also got xbox360 that I want to ...
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577 views

Can't ping IP in LAN

I'm using wifi router and I am not able to ping one laptop (A) from other laptop's in the same network. So basically I can ping from from A to B but not from B to A. A is using Windows and has Ubuntu ...
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78 views

Point an internal IP address to an external URL

Is it possible to set a router up so a machine in the LAN can access an Internet URL using an internal IP address? I have a cheap DVR box that can save recorded videos to a FTP server, but only ...
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224 views

OpenWRT sending invalid packets to WAN when Android phone connects

I have a Netgear WR703N wireless router flashed with OpenWRT 12.09 "Attitude Adjustment" connected to my school's Ethernet network, and our IT department sent emails alerting me that it's ...
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529 views

Connection to router/modem works only if plugged in directly, not via switches/wifi

Consider the following setup: 2-3 Laptops and 4-5 Desktop PCs (both windows and linux systems) are connected to an ADSL modem/router (http://avm.de/produkte/fritzbox/fritzbox-3272/) via wireless and ...
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Synology NAS (DSM 5) cannot access the Internet through Tomato router?

I have just revived my Linksys E3200 router by upgrading it to Tomato 1.28 (Shibby). I have a Synology NAS running DSM 5 attached by cable to the router. After the upgrade my NAS can no longer update ...
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83 views

Block incoming traffic at home via static IP

I have a static IP to be whitelisted on a number of services I have to use from home. However this means that my home router is now accessible by the web, ftp etc. My routers firewall (ASUS DSL-G31) ...
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77 views

turn off wifi during certain hours

I want to restrict access of a laptop and allow it in certain hours only, with a password of course. router is linksys WRT160N, but access restrictions doesn't work firmware: v1.52.0 here's what I ...
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137 views

Why would wifi router suddenly start having a bad connection for only one of the connected devices?

My home connection consists of two OSX Mavericks laptops connected to a Motorola box that functions both as a wifi router and a cable modem. About a month ago, we started seeing problems. The ...
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Strange traceroute on home network

In our home network (with a central AVM FritzBox as an internet router and central switch) connection gets lost from time to time to some of the devices. If lost, no ping is possible any more and ...
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62 views

Can't FTP or SSH after getting new Router

I have separately tried to set up 2 new routers on my home network (a Linksys and an Asus). While each was easy to set up and I connected to the Internet, with neither of them was I able to FTP or SSH ...
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98 views

QoS and other way to optimize speed on network

I have some weird network issues. I'm running on 2 VM's email verifications and my whole network becomes laggy and loosely from it. It shouldn't use high bandwidth its more like sending a lots of ...
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How to share internet from one computer to another via router?

I want to share USB-modem internet from one laptop to another by the following way: The main problem is how to configure the first (white) laptop as a gateway on the router. When I try to set the ...
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499 views

How to connect switch to a patch panel

I have a 24-port patch panel that connects Cat6 cables throughout my house. Out of these, only 12 ports are connected at the moment. I am in the process of setting up my home network and looking at ...
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280 views

Why do I have to keep flushing my DNS cache on all devices?

I have a Netgear DSL modem (111 v2) and Linksys N300 router, newest model. I have to keep flushing my DNS cache every 5-15 minutes. This happens on all sites and on every device on my home network. ...
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51 views

Always use wireless NIC for Internet access, if it's available

I've got a Windows 7 machine with both a gigabit wired connection and a wireless adapter. Both interfaces have IP addresses on the same network (192.168.0.0/24). I've got a single wireless router ...
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Is it possible to use a switch to connect a router to the upstream gateway and the computers over a single Cat6 cable?

I've just moved into a new house, and I'm trying to get the network setup to be the best I can. Currently my ISP supplies a router that I need to use, and that only provides a single port for the ...
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111 views

Cant use host-only adapter and bridged adapter at the same time virtual-box

I want to create a virtual network that real devices can connect to using virtual box. I have 2 routers I am bridging to virtual firmware. I have servers also running on vm's and would like to be able ...
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56 views

Can't access local network resources from a specific access point

I've got two wireless routers in my home; one came with my internet service and is also the modem for the service. I also have another setup for extra range. I've connected the second (a d-link ...
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78 views

Indoor navigation Access Points or WDS (WiFi Repeater)

I want to attempt a small in-door WiFi navigation project I have no problems regarding programming but I'm lost on the Networking part. Basically what I need is WiFi routers under same network name ...
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314 views

How to access modem's web gui from inside LAN?

When my Netgear CG3000 is in bridge mode it acts as a modem-only, but it still exposes valuable information about the Internet connection through its web gui. However I cannot seem to access the ...
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444 views

Reflash DLink AC1750 Optimum Router

I recently got the new "smart router" from Optimum: DLink AC1750 It may be a good router but I cannot access any of the settings. When typing in the regular 192.168.1.1, it redirects to ...
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253 views

Has the hardware in my modem gone bad?

I contacted CenturyLink about my modem recently and received useless and unrelated information. The problem seems to be that the modem will no longer save settings, the web interface is unusable ...
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1k views

ADSL connection drops - D-Link 2750U

So lately I've been having major issues with my ISP about my connection. My D-Link 2750U router reports the following attenuation: +------------------+------------+-----------+ | Attenuation (dB) | ...
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114 views

Extremely slow wireless file transfer on specific computer

I have a Linksys E4300 router which works great. I bought an HTPC with a Gigabyte E350N and plugged a TP-LINK TL-WN723N. The HTPC is about 5mts from the router and without any wall in the middle. The ...
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Windows Vista computer won't power on when connected to router

In all of my years of supporting PCs, I have never seen this. Here's hoping y'all have an idea. My client has a home PC running Windows Vista (long story as to why he hasn't upgraded). He has a ...
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186 views

Double Port Forwarding with two routers on the same network

I'm running a hand full of servers on my network. I'm running out of port forwards on my primary internet router to forward traffic from the outside to the inside. The network has another router wired ...
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108 views

Accessing my external drive connected to my Belkin router over the Internet?

I have a Belkin n900 wifi router and I connected my Verbatim External SSD to it and I can access it on the local network, that is I can browse and download my files, I would like to access my drive ...
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New modem is not connecting to other devices

After installing a new modem, my older devices (Old phones and older computers) don't seem to detect my home internet at all? I believe the problem has something to do with the security options (or ...
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A lot of random NAT tables appear

My brothers Mac seems to be infected. It keeps on sending UDP and SYN floods to our router, and it multiplies my ping 10 times.When I look in the NAT Mapping table there are a lot of random address ...
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234 views

Can't connect to web server from outside my network

I have a Debian-based server that I would like to be able to access from the Internet (no domain name yet, I'm just trying to get it working for now). I already have port forwarding set up on my ...