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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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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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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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
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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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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
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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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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
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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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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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port forwarding with micrmax modem mmx219w wi fi plug n play modem [duplicate]

help me to find out: i m using micromax auto plug n play wi fi modem with router functionality it can provide for 8 wi fi connections. model mmx219w wi fi router. problem is: when connected to usb ...
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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
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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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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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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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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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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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compiling c program in openwrt [duplicate]

-2 down vote favorite I'm using attitude adjustment SDK and Ralink/Mtk platform to compile c program in openwrt. Can any one help me step by step procure to execute the program
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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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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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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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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
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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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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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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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dhcp bridge w assigned ip address

You seemed to be the most helpful from what i read on most threads, so i'm gonna run this problem by you and see what we come up with. ill start with the problem my xbox 1 says i have an open NAT and ...
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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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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 ...
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Number of devices connecting to wireless router are limiting

I have NETGEAR DGN2200 wireless router in my home. I have configured it to support any device can connect to it. But after 15 devices, no other device can connect to the router. Please suggest what ...
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Waiting for google.com

I'll be the first to admit I'm not an expert at administering a home network. I'm a software engineer by trade so my expertise lies in code operations, not networking or administration. I'm having an ...
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Boost wifi range from laptop to connect to university network from my home

I bought a Netgear R7000 hoping that I could use it to access my University network from my home, which is very close to the university (across the street). Netgear technical support showed me how to ...
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1answer
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Using tcpdump to monitor Chromecast activity

Background: On my home setup, all traffic is routed through a single TP-link router which currently has OpenWRT intalled. I set up DNS ad blocking with a pixelserv setup, so all devices on my network ...
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Belkin AC1200 Router - not resolving DNS requests

In setting up a Belkin AC1200 Modem Router for a family member, I've noticed a weird problem. It connects to the ISP fine and gets their DNS servers etc. However, no device connected to it can resolve ...
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Connect to a computer behind a router I do not control

My ISP has assigned a single IP address for my entire apartment building (the ISP has an exclusivity contract with the building). The 'WAN' address my router sees is '192.168.1.130' which tells me I ...
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I cannot capture DHCPv6 packets on GNS3 using Wireshark

I have got a router set up as a DHCPv6 server connected to a host that gets an IPv4 & IPv6 addresses from it, however I am not able to capture any DHCPv6 packets at any point of the connection. ...
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How to ensure iptables DNAT redirect all, to work with domains?

When redirecting all sources (any port) to my router IP, it works with IP. I do this with iptables, Nat/DNAT PREROUTING. $ iptables -t nat -A PREROUTING -i wlan0 -p tcp -j DNAT ...
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Wireless network setup for 4 story townhouse

I currently have a Wireless N router + DOCSIS 3.0 modem on the 3rd floor of my home, and would like to have wifi access on every floor. I have very little background in networking, and was wondering ...
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What is the procedure of gaining and maintaining wireless internet?

There are a lot of parts in the procedure of having and maintaining a Wifi connection (or lack thereof) that sometimes makes me confused as to what the heck is going on when I try to connect to a ...
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Can not bypass MAC address filtering

I add a white list filter by mistake to my wifi modem router, so I want to change MAC address to that IP. I run this command: ifconfig wlan0 down ifconfig wlan0 hw ether xx:xx:xx:xx:xx:xx ifconfig ...