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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Thinkpad x200 ethernet cant connect to cisco modem (BUT to router it connects)

I got a problem with my x200 thinkpad. When I connect it with my modem/router thingy (http://www.cisco.com/web/consumer/support/modem_DPC3208.html), the connection it not established. Its get stuck ...
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on DD-WRT router how to reconnect PPTP and bypass VPN for specific IPs or connected devices

I've ASUS RT-N66U flashed with "DD-WRT v3.0-r27506 (07/09/15) big". I use VyprVPN service with PPTP protocol. I set up the router through PPTP protocol following these instructions: ...
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Questions Regarding DoS

I have a few questions i still haven`t been able to get an answer to. If someone DoS you, do it affect all computers connected to the router or just the computer that is being attacked? For example: ...
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1answer
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Create NAS storage with DD-WRT

I'm super confused about this. I'm trying to create NAS with DD-WRT such that i can have various files as well as various users, each user with certain permissions. Some files will be accessible only ...
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1answer
44 views

Change WAN port to WL0 interface?

I just installed DD-WRT on my Linksys E3000 router. I've never used this firmware before. I checked the Bandwidth tab, which shows that the WAN interface is getting about 7Mbps bandwidth, while the ...
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2answers
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Can connect to router, but not Internet

Sorry about this probably very n00b question. However, I've little idea where to start. My router is at 192.168.1.254. I can ping it and log in. My laptop (Ubuntu 14.04) has been given an address by ...
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5answers
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Can I collect wireless packets using Wireshark while being connected to the Internet via cable?

I am working on a PC which is connected to my router using a LAN cable, and the other computers in my house are connected to my router using WiFi. We are all connected to the same network, so I ...
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53 views

convert Ethernet router into integration gateway

I need to integrate to an Ethernet proprietary network. It is IP based but doesn't implement TCP. I need a router which will poll devices on this network, and periodically post the data using ...
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1answer
55 views

Router Blocking One Specific Site; IP resolves, but Times Out

I have a Linksys WRT54GL Wi-Fi Wireless-G Broadband Router in use. For whatever reason, for the past couple of days I have been unable to access a single web site, http://basecamp.com, through the ...
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I have to choose between 2 ADSLs. Any OSX or unix script to massive compare and average ping, bandwidth, accross countries?

My landlord gave me 2 wifi networks to choose from. I have 3 days to decide. I would like to identify the best of the 2 provider. I already noticed 1 has 8Mb bandwidth while the other has about 28Mb. ...
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30 views

directed subnet broadcasts with openwrt

I've got a wireless router with openwrt 14.07 that acts as a router (not a bridge) between the local ethernet subnet (eg. 192.168.1.0/24) and a wireless network (eg. 192.168.2.0/24). I would like to ...
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1answer
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Router disconnects me every day at the same time

For some unknown to me reason my router disconnects me every day at almost the same exact time. Does anybody know what is going on? Router Log: Jul 10 09:58:16 pppd[57]: LCP terminated by peer ...
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2answers
42 views

Router without DHCP set and has external IP from local perspective

I have a network like: x.x.0.1 - ISP's AP, then mikrotik router x.x.0.5 -> set up by specialist and another router x.x.0.7 -> for my learning purposes. My problem is, that I really don't understand ...
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How to troubleshoot a “clogged” network

I am inheriting a mess of a network at my office. There's a bunch of switches and routers, not too mention hidden switches under desks that I can't see. Often times the network gets "clogged." ...
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1answer
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Public IP from my ISP

I have dynamic ip address from my ISP and today I bought public ip from them. My question is: Do I need something from them to have this public ip? Do I need to configure anything on my router?
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List of router to allow the editing SNR

I would like to buy a modem (or router) that allows me to edit, through telenet, the SNR values. I read on internet that I will get something plus in terms of prestations of my ADSL line. Does someone ...
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0answers
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DD-WRT gateway separates switches into two zones

I have one DD-WRT wireless router acts in gateway mode connected to the internet via a cable modem. The router has two LAN ports each connected to port 1 of a gigabit switch. Here is a diagram ...
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OpenVPN between two routers

I would like to establish OpenVPN connection between two remote routers, so I can access computers from network 1 being phisically connected to network 2. Here is what I got: Network 1 Router ...
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1answer
63 views

Strange HTTP requests from computer running Netgear Genie

I recently set up a test Nginx server on my computer, and I have been receiving some strange HTTP requests from another computer on the network: 192.168.1.114 - - [12/Jul/2015:17:12:42 +0000] "GET ...
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2answers
82 views

Is FTP on router secure?

I am using a 2TB external hard drive connected to an Asus RT-AC87U. The router can be accessed from the internet over FTP with the right username and password. My question is, that how secure is ...
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1answer
145 views

How to set Technicolor TG799vn v2 in bridge mode

Does anyone know how to set a Technicolor TG799vn v2 router in bridge mode? I can't find a place to configure it in the web interface.
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2answers
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Port forwarding error on new router

I've recently gotten a new router to handle a 1GB internet connection (yes, 1GB) because my old router shouldn't be able to handle such a massive connection. But with it came a whole new lay-out and ...
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1answer
40 views

Can't connect to server on the same router

Hello! I have 2 routers. The primary router (which is also a modem. from now on I"ll call it A) and the secondary router (B from now on), which is connected to the primary router via 10 meters ...
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1answer
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Cisco 2600 (xm) and Exchange 2013 External Access

I have installed and set up Exchange Server 2013 within my LAN network. I have ran into an issue accessing the ECP or OWA through the web (outside the LAN) and can't figure out why. I have made sure ...
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Setting up a second router to be a separate network

I would like to use a second router to set up a second network on my home network. The first router is plugged into our cable modem. I have that plugged via ethernet from one of the LAN ports on ...
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1answer
37 views

Firewall filter rules and traceroute

I'm trying to learn how it all goes in networking. I have a working network done by some specialists and I bought new Mikrotik router and done a new LAN in which I want to do some trial&error. So ...
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36 views

wired ethernet from wifi, using AP router

I want to connect my device that only have a rj45 port for wired ethernet and nothing else. I have several wireless routers at hand, from several manufacturers (dlink, TPlink, etc) my plan was to ...
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26 views

Ralink 5370 interfering with Wireless connection

I just bought a Ralink 5370 (brand new) and when I connect it to MY COMPUTER and start navigating (consuming bandwidth), the internet goes south. Note that it's not the internet's fault; when pinging ...
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Sending files with continous hex pattern via FTP causes corruption

I'm experiencing very difficult to diagnose problem, which causes file corruption on files I'm uploading. Corruption happens to many files which contain continuous hexagonal pattern (like thousands ...
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1answer
16 views

apache application in local computer needs to be run anywhere over internet

I'm running a apache server application in my local computer,All of computers connected to my router is able to access but a computer outside from router not able to access my application.I also ...
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Apache server in local computer needs to be run on internet

I have gone read your answer for "What is port forwarding and what is it used for?" question.Your explanation is great.I have one doubt please clarify that. I'm running a apache server application in ...
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29 views

How can i send message to router to know different interface ip block from my local pc? [closed]

If i connect in a wifi hotspot than i get a ip and gateway through which i can ping router but is there any way to communicate with router for which i can know it's another interface ip block from my ...
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1answer
28 views

Printer wasn't working. Gave it a Static IP and now it works! But why?

I was toying with my printer to get it to work. Originally, the printer was automatically given an IP of (169.254.248.206) However... I read that manually setting the printer's IP outside my ...
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Ports open in router settings, Firewall disabled, no DMZ's, port's still appear as closed, why?

So I'm currently attempting to host an IIS and opened the nessesary ports, I can connect to it via localhost and on other machines in the network, however when attempting to connect to it over WAN I ...
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viewing the dvr from wan failed

I have a DVR in my store with four cameras . I have port forwaded it and used no ip service to fix my ip adress . Now i can view the DVR when i am inside the network by typing the local ip adress of ...
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68 views

Sniff wifi traffic with TCPDump

I am trying to sniff traffic coming from or going to a smartphone on the local WiFi network (in a legal way). For that purpose I use the command TCPDump on a computer connected to the same wireless ...
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31 views

NETGEAR router-firewall setup

I have a NETGEAR WNDR3400 and it is connected to a NETGEAR FSV338. Do I need both the router and firewall to protect my network, or does the router act as a firewall too? In addition, the firewall and ...
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2answers
71 views

Can two routers be in same IP-range?

I'm having a modem with a built-in router, that connects to the internet through the 4g-network (productname: Huawai). To this modem, I have a router connected in Lan1 (productname: ZyXEL). So my ...
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1answer
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Why do some of my devices show up twice on my routers DHCP list?

I bought a new router yesterday, but I dont think that's relevant because on my previous router it happened too. The only difference now is that my first router wasn't dualband and this new one is. So ...
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Belkin set up page not available after enabling access point

I was looking to figure out why my sling player wouldn't cast to the tv... read a couple things that ap isolation was at issue... went to the belkin page and saw access point button so I followed down ...
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2answers
68 views

Why does a device show up twice on my dhcp table? [duplicate]

I bought a new router yesterday, but I dont think that's relevant because on my previous router it happened too. The only change is that my first router wasn't dualband and this new one is. So that ...
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1answer
32 views

Multiple nodes with same IP

At my current office over the years people have added more and more hub/switch/routers to the network without proper settings. I am thinking since most if not all of these devices have their default ...
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TL-WR740N Disconnects shared folder

I have a network 1 server 2 client PC and 4 laptops When only the 3 PC are turned on, shared folder works fine but when all units and laptops(not wireless,connected with LAN cable) are connected the 2 ...
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1answer
28 views

SSHing into VPS with single IP

I have Comcast Internet for my home, and have a single IP. I've set my hardware router to direct SSH to a physical Linux server. On my physical Linux server, I've created a virtual private server ...
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1answer
36 views

Is it possible to get ip address of a router thru mac id?

Is it possible to get ip address of a router thru its mac id (router) ? also I am connected in the same network (ISP)
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Change bash to default login shell on AC66U running Merlin and Entware

I'm trying to switch from sh to bash as my default login shell, on an AC66U running the Merlin firmware. I have bash installed in entware's partition, but when I switch user:x:0:0:user:/root:/bin/sh ...
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1answer
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How to find out who is DDoSing you

So I (had) a friend who now hates me and he said he would take me offline if I blocked him on Skype. I did not believe him and I said "I don't care, do your worst". Big mistake - he found out my IP ...
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Unable to Connect Marantz receiver on Ethernet on D-link 2750U

I was using a Netgear router, which was connected to my BSNL internet connection working as a Modem and a Router, it was connected to my Marantz receiver as well which I use to connect through my ...
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2answers
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Problems in Installation of OpenWRT on Dlink DIR-825

I am trying to install OpenWRT on my Dlink router DIR-825 with hardware version B1. I have Firmware version: 2.06EU. and I when I try to upgrade Firmware and select the OpenWrt image file ...
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What is the name of a some hardware-device feature which displays user's internet connections?

Problem: I'm trying to find a small hardware device (eg. a modem/router? firewall?) that can tell me who (private LAN IP addresses) is connecting to what other (public) IP's and their up/down ...