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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Troubleshooting Packet Loss in my Home Network

I have a DSL subscription in my apartment and I want to connect a second apartment of mine in the same building. Here's the setup: I have a wireless ADSL router that was provided by the ISP: ...
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3answers
36 views

How does an outside of my LAN server know which computer made a request? [duplicate]

For example: I have 5 devices in my LAN, on one of them I request http://superuser.com, the server responds and the 'answer' gets to my home router (gateway), but from there, how does it know which ...
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1answer
22 views

WiFi range extender drops connection after a day. Rebooting main router fixes it

I have an issue which I can't seem to get to the bottom of. My main router works great, but to increase the range I recently added a WiFi range extender. The range extender was easy to set up, and ...
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1answer
45 views

Does the DHCP server know about static IP addresses?

I have a simple setup up at home with a vendor provided ADSL router and a few home devices I connect to it to connect to the outside world. I would like one of my devices to have a static internal IP ...
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1answer
44 views

How to add a free-wifi hotspot to an existing private network

I'm tinkering with IoT (arduino + wifi shield) and I'm also for an open (read free) internet. Both these things would be helped if I could create a free (no password etc.) wifi hotspot (my IoT ...
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I can't connect to wireless after firmware upgrade of TP-Link TL-WR841ND v7 to DD-WRT v24-sp2 [on hold]

Detail setting of my wireless router: Wireless Physical Interface [2.4 GHz] SSID [tomato] HWAddr [F8:D1:11:37:53:44] Wireless Mode AP Wireless Network Mode ...
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1answer
14 views

Needing wifi signal restrengthened on piggy-backed router system

My question involves WiFi run from a piggybacked or double router system arranged for a home network. My roomie, the system host, has asked about the process required for resetting the dchp/dhcp in ...
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1answer
26 views

Why am I unable to access some https sites?

Scenario: There are 2 laptops (HA and HB) running on Windows 8.1, both access the internet and are connected to the same wifi router (RA).Both laptops share the same DNS settings. Laptop HB also ...
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25 views

TP Link TL-WR740N lan problems

Used my TP Link router for about 6months now,when i shut it down ,by the on/off button,suddently afther putting it back on,no internet acces what so ever...wireless - down ,lan - down ,everything just ...
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A particular IP address stops working on the network

I have a small network with a cisco linksys E2500 series router and few Access points to help with wider wireless coverage. Recently, I notice that a particular IP adderess on my network suddenly ...
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0answers
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Shared WLAN between 2 houses ( Already tried some stuff )

I've need some help guys and hope someone can help me out. Well my Task is more or less common, but the HOW-TO's which i found on the net are mostly for greater distances or "i dont care about speed" ...
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2answers
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How do I setup a Wifi Router using LAN that requires login to access the Internet?

In our Dormitory, we have four members in a room. We share connection from a switch (LAN). Each of us is given a unique ID and password to connect to the internet. Now what will be the procedure to ...
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1answer
35 views

Local Network DNS

I have 3 computers on my local network, A B and C, all running Windows 7. They all have the same network configuration which uses my Netgear router for DNS. I am trying to access them via my Android ...
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0answers
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Are these device and network changes normal on a Chromebook?

The reason why I am asking is because I have been arbitrarily experiencing unusual amounts of latency when connecting to certain websites like https://cloud.google.com, Here is the "network_diag ...
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0answers
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Port forwarding is not working (Linksys WRT54G)

I have enabled port 3000 for my router in Applications and Gaming, but for some reason it will not work. When I try to access the port with my ip in the browser (http://xx.xx.x.x:3000/) it says, 'This ...
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2answers
18 views

Repercussions of opening ports for applications on router

I know there's a security risk with forwarding ports on my router to a computer on my network for applications like teamspeak or minecraft. However, I haven't seen any clear explanations of what the ...
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1answer
53 views

Unable to send email via any of SMTP servers using an IP camera, why?

I'm trying to setup Mail Settings on my IP Camera, but none of the SMTP servers seem to work, and this is only happening when it's connected on my DSL connection! Otherwise it works great on my cable ...
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Reset Netgear WNDR4300 To Factory From DDWRT

I flashed DDWRT as I was going to use WallWatcher & analyze packets etc etc -- well now I have no need for this so I want to flash it back to factory. I downloaded firmware 1.02.78 from enter ...
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1answer
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trying to include new fields in IPv6 Router Advertisements

A newbie here and I am working on a hobby project and trying to change the packet format of an IPv6 router advertisement packet using RADVD. But I do not know how to work on it. My plan is to set up ...
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0answers
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Website loads only on second attempt in Chrome on Chromebook as well as a MacBook Air

When I enter a URL, the website fails to load on the first attempt, but when I click “refresh” the page loads without problems. There is no pattern when this is happening (~ every second website I try ...
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2answers
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Why would the Wi-Fi connection on my smartphone perform better than the same connection on my laptop?

The download speeds while connected on Wi-Fi to the same router—an ADSL2+ Wireless N300 Modem Router—seems to be significantly faster on my phone than on my laptop. This problem doesn’t occur all the ...
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1answer
33 views

Avoid cable modem device limit restriction (MaximumNumberofCPEs)

The cable modem of my ISP is restricted to four devices. Is it possible to avoid this restriction if i connect a WIFI Router with own DHCP server, static IPs etc. to the cable modem so that I can ...
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1answer
62 views

How can I see my LAN when connected to a VPN?

At home I use a VPN and to share it with other devices I use the computer which connects to the VPN as access point for a second LAN, but I don't want all the traffic be routed through the VPN: I want ...
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Internet gateway device protocol support?

As far as I understand, applications that need to transfer data across network address translators in a peer to peer fashion, like BitTorrent, usually rely on the UPNP IGD protocol to ask the router ...
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1answer
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Can't open Minecraft Server for Internet

I followed all the steps for hosting a Minecraft Server: Allowing connection (inbound and outbound, TCP and UDP) to port 25565 on Windows Firewall. Forwarding ports on router configuration (TCP and ...
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0answers
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Connect to sagemcom 3184 router with telnet or ssh

I try to connect to my router (sagemcom f@st 3184) with Putty with ssh or telnet, and it show me "Connection refused". I try to forward the port of ssh in the configuration of the router, but it ...
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1answer
21 views

Make Linux Notebook Act Like a Network Hub

I've been looking for a solution for this quite a while and I think that I am exactly as clueless as before. So I figured why not ask people who really know about this stuff... I'm trying to connect ...
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Can I use my Macbook for Local Wifi iPhone gaming, when it is not connected to the internet?

We are attempting to play a game, that enables multiplayer trough local Wi-Fi. The units available are: An iPhone 6 with ~unlimited cellular data A rMBP 15" latest model, so no hardware limitations ...
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0answers
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Convert ADSL wireless router to AP, not able to connect to internet wirelessly

I have a Zyxel P-660HW-T1 v3 ADSL2+ Wireless Router. I have a PPPoE broadband connection. There is a CPE on the rooftop. An RJ45 cable comes down from the CPE to my house. I need to have wireless ...
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1answer
28 views

Netgear WNDR3700 WiFi-n not giving 40 MBps [duplicate]

I have a Netgear WNDR 3700 v3 WiFi router. The router is capable of A/b/g/n and the Internet connection is 40MBps When I connect over the ethernet cable and run speedtest, I get the full 40MBps ...
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2answers
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Is “guest network” feature on ASUS routers safe?

My ASUS RT-AC68U router has an option to enable a "guest network". I'm curious how "safe" this is. The config page claims that it only allows traffic through to the internet, so I assume it physically ...
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2answers
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Debugging access to local FTP server from beyond router

I am trying to set up an ftp server attached to the router, it isn't working for external access only local access so I am trying to debug the cause. Currently I can ping my router's LAN and WAN ...
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1answer
25 views

Accessing web service on routed (without NAT) network

I have network topology where I use two routers: R1 and R2. R1 has NAT enabled because my ISP allows only to connect one IP. R2 has NAT disabled because I'm planning to extend my network in the future ...
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2answers
48 views

Traffic redirection with Rasperry Pi router

I use a Rasperry Pi (running raspbian) as a wi-fi router. It redirects traffic from the Ethernet wire (eth0 - wire + ppp0 - L2TP connection, lx2tp used for it) to wlan0 (USB wi-fi dongle, hostapd used ...
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1answer
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Trouble with slow/intermittently failing web access on a Linux desktop and multiple Android devices except when using a VPN?

All our devices are having trouble accessing the Internet today. Some web pages load within the expected time, though I believe on the slow end. Others just fail to load. However, when I connect ...
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0answers
40 views

How can I check if my ISP is intercepting DNS queries sent to alternative DNS servers?

Previously I had a router setup to use ISP provided DNS servers, but as of recently I setup two local DNS servers with forwarders set yo google's public dns. Whenever I visit a website which I assume ...
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1answer
35 views

My external IP address appears to change automatically [duplicate]

I am trying to use the no-IP service to get a domain name for my dynamic ip address. I use some tools on line to detect my IP, and they tell me that my IP address is 88.207.251.1. So I bind this IP ...
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0answers
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Connecting router traffic to sshuttle tunnel

I am using sshuttle to get cleanly out of a questionable hotel wifi connection. I have a little travel router and would like to use it as well, briding my laptop's sshuttle connection so I can connect ...
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2answers
61 views

I can’t ping my router from the outer [closed]

I am trying to remote the server of my company from my home. I enter the router of the company and I get this info: Internet, IPv4 POST LuxFibre LAN1 NG, IP address: 10.244.149.239 But I also ...
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0answers
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CentOS as home network router: IPTables Port Forwarding failure

I have currently set up a home server with a CentOS 6.6 installation on it. The server has two NIC interfaces which I'm using it as my router and DHCP server. Here's a diagram showing the network ...
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1answer
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Router not allowed by landlord

I moved in to a student apartment building in Germany, and one of the rules on the list is that I cannot plug in a router to the network ports in the wall. I asked about this rule, and apparently ...
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1answer
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Troubleshooting 1 modem 1 switch 2 wifi routers (one-2.4ghz & one-5ghz)

I would like to know why I have internet access with 1 wifi router and local access only with the 2nd wifi router. I am also confused by IPv4 address while connected to the Dlink router. During the ...
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0answers
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ssh: login in LAN works, WAN using ngrokh fails

Over the LAN I can ssh from my laptop to my RPi without any problems using my public key. The debug output from ssh in the successfull case: debug1: Authentications that can continue: publickey ...
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Cisco ASA Full Tunnel Internet through VPN

I want to route all internet traffic of people who connect to my ASA, through ASA, so anyone who connects, their internet IP will be my router IP. This is my running config: : Saved : ASA Version ...
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Cant access PS3 FTP via LAN through router

I can't access the FTP server on my PS3 through LAN from my PC (PC - Router - PS3). WiFi FTP access works fine. The router is a TP-LINK TL-WR740N running on dd-wrt. Setting up port forwarding and ...
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25 views

Can not connect to wifi modem admin interface

I want to view my TP-Link Wi-Fi modem setting page in my browser.This is my network information: As you see my router IP is 192.168.1.1. When I ping this IP I get "request timed out" as result. ...
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Send a WoL to a NUC behind 2 routers

I am trying to send a magic packet to my NUC set up in my bedroom behind a netgear WNR-614 N300 router. However, this router itself is behind a TP-LINK TL-WDR3600 router. Both the routers are using ...
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19 views

Get Router Address of Inactive (but Connected) Interface

How can I know what the router’s address is when I am on multiple interface? I know by using netstat -rn I can have the dominating interface’s gateway, which is the router’s address. But what about ...
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1answer
23 views

multicast dns \ service discovery through router

I am using Apple's mDNSResponder. It works in single network. Is there a way to make it work even if there is router between computer that browses for services and computer that is service provider? ...
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3answers
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Checking open ports on a netgear router

I'm having troubles connecting to ftps via Filezilla. They told me it could be router ports. Some say 21 port (exit traffic?) is always open, some say it's closed. How do I check if it's open? If it's ...