Questions tagged [router]

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 configuration on Home router ( TP-link 940N)

I got 196.188.173.32/30 ip adress from my ISP with the following configuration. Wan ip : 10.126.10.158/29 Gateway : 10.12.10.157 Lan Ip : 196.188.173.32/30 I have configured the router per the ISP,...
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Disable another DHCP server

I'm using a home router with several devices connected to it. DHCP area is something like 192.168.2.50 to 192.168.2.150. Default gateway is 192.168.2.1. However, when I connect to the network, I was ...
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Daily loss of internet connection at home

Ever since I bought a new PC I have been experiencing loss of internet connection on it. It might be affecting other devices but it is only noticeable on my PC. For example, when I'm in a Microsoft ...
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Modem, router, LAN and WAN

I have a problem: My modem uses 3 ports: 1 port is empty, 1 port connects to the TV, 1 port connects to the xiaomi wireless router. Now my PC is connecting to the Xiaomi router via the LAN port by ...
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No WAN connection until I boot a specific PC

I have limited networking experience, just basic. My setup is as follows: Entry point is my ISP's ONT providing the Internet connection through PPPoE An Asus router plugged in the first port of the ...
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Network breaks due to one PC, no idea why

I have a PC with GIGABYTE B550M AORUS PRO-P motherboard with integrated Realtek 2.5Gbps network card. Suddenly I start getting network breaks, meaning everything breaks, including router’s connection ...
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Can a router attach the IP of an VPS for incoming connections?

Let's say router R connects to an ISP which only provides 172.16.100.200/16, while VPS V gets a public IP 1.2.3.4. Now R wants public access via V. Is it possible for R to use V's IP for incoming ...
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No mac address in arp table and wrong wifi scans result

I am not an expert of networking so I have to ask if someone can enlight me on this argument. Yesterday I was using on my wifi network the tplink "wifi detective" utility, but it seems to ...
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How can I setup my VPN router

I am a new user of At&t. I am struggling to configure it in my VPN router. Can I use it with a VPN or I will have to remove VPN settings from the router?
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Could you explain how instant messengers work over UDP in layman terms?

It is clear how TCP works: it is stateful, and routers can maintain state on endpoints' behalf. But it is not clear how it works for UDP. I imagine a not-so-hypothetical scenario: Several clients on a ...
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Does any router switch from one internet source to another if one is down?

I have internet source coming from local provider in a remote area that is unstable. let's call it Internet 1. Internet 1 is connected to an 8 port switch. On that same switch, 3 access points (APs) ...
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How can I route a single device on my LAN through my ISP's network traffic and the rest of the devices that are on my LAN through my VPN traffic?

I have a dedicated residential VPN configured on my router as OpenVPN because I want all my devices in my home network to be protected. However, I need one device in my LAN to go out through my ISP's ...
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Poor network performance over internet, but flawless iperf3 results

I'm using a linux system as a router/firewall, with the following kernel: Linux gentoo 6.0.8-gentoo-stripped-wireless #1 SMP PREEMPT_DYNAMIC Tue Nov 15 08:54:22 CST 2022 x86_64 AMD FX(tm)-8150 Eight-...
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Windows 11 home on a new laptop can't ping wifi router and other machines on the same wifi network

I have the issue only with one machine: I have an 8550u laptop, a 5800x desktop, then a new 12700H laptop. The issue is only with the 12700H laptop: from this laptop, I can't ping the wifi router at ...
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Local DNS lookup doesn't work on Win 10 (hostname cannot be found from other devices)

I want to access my Win 10 computer (let's call it ComputerName) from my Android 10 and 12 devices via hostname (I call ping ComputerName on them), but they can't find it and return: DNS error, ...
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Zyxel VMG8825-T50: DHCP Pool: invalid start and/or stop address

I've a Zyxel VMG8825-T50 router that is given to me by my internet provider. For my needs until now it runs just fine. Now I want to assign my own DNS server. So in my LAN network settings I go over ...
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Why is DLNA not visible for clients connected to an Asus router set to AP mode?

I have a DLNA server on a computer connected wired to a main router running OpenWRT (no special rules, no subnets, no VLANs, quite basic configuration). A second router, an Asus AC1200, is connected ...
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Why does Windows 10 show ERR_CONNECTION_TIMED_OUT when in my home network but not when somewhere else?

Setup and problem discussion: I've set up a laptop in my home running CentOS 7 as a webserver with a virtual host DOMAIN.TLD. I've forwarded ports 80 and 443 to the webserver laptop from my home ...
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How to port forward from Genexis Platinum 4410 router

Router firmware version: P4410-V2-1.39 Tried to follow the steps mentioned in this post. Cant find the Virtual server configuration section. I dont know what I should do here. How do I port-forward ...
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How to enable communication between a device on guest network to a device on parent (main) network?

I have 2 wifi routers, 1 is an old TP-WR740N that I am using as a switch to give wired access to my devices. And another new Archer A6. My main network is on A6 and the WR740N is added as an AP. I ...
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Cascading Two Routers - Wifi Has Issues On 2nd Router

There are plenty of places for tutorials on setting up cascaded routers. I am using the LAN-LAN connection (router 1 - 192.168.1.1 ether cable in a #port, router 2 - 192.168.1.2, ether cable in #1port)...
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How can I deal with ports that are open on the WAN side of the router?

Some ports in the WAN side of the router seem to be open The port scan in the ShieldsUp! site showed ports 22, 23, 80, 443 and 8000 as open Then, by checking with nmap while connected to a mobile ...
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Wifi card limits download speed before router restart

I'm having weird problem, when laptop boots, download speed on it is limited to just 0,6MB/s. Once router gets restarted and laptop is on, speed returns to normal. I'm guessing that problem must be in ...
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1 answer
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All packets have router IP when they arrive at kerio control

I have four sites on my network, each site has a microtik router that connect them together. I only have one internet connection at my central office. My internet is connected to Kerio Control ...
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Hosting multiple web servers under single static IP how web hosting companies manage this

For past few weeks I'm trying to learn how multiple web servers could be setup under one static IP. I understand that web hosting companies may have a lot of Static IPs but using one IP for one server ...
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How to block Twitter login pop up on a network level?

On windows there is browser plugins to block elements of a website in real time (right clicking on element for example) but how would I go about blocking this specific element on a network level for ...
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Windows Server 2022 Routing and FTP port 21

I use Windows Server 2022 Standard to share Internet connection with Windows 11 computer. I installed DHCP and "Routing and Remote Access" roles to WS2022. In DHCP role I created scope for ...
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isc-dhcp-server: reserved hosts not in dhcpd.leases file

I have configured an isc-dhcp-server on a Debian 11 vm. In the dhcpd.conf I have added a host {...} statement to reserve an IP address for a specific device: subnet 192.168.10.0 netmask 255.255.255.0 {...
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How to connect to a device with previously set static IP that's now on a different subnet?

I have a PoE camera that has a static IP address that was manually set on the camera interface. The IP address is 192.168.86.x, but now my new router has a different subnet (192.168.0.x). All of my ...
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Cannot access server on LAN remotely via VPN Tunnel (when server has VPN client turned on)

I have a self-hosted server which has an openVPN client connection always on. So the public IP of this server is not the same as all the other devices connected to the router. I want to also access ...
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What Layer2Bridging mean and do I need to be enabled?

I have in my router this setting Layer2Bridging and I dont understand the description Specifies bridges between layer 2 LAN and/or WAN interfaces. By default, unbound ports will be bound to br0 when ...
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Can I set a wifi router connect to switch?

ROOM A has a internet router. A cable is connected from internet router to switch. There are four computer connected to the switch in Room A. Each computer has unique ip address. ROOM B has another ...
1 vote
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What's a sorched-earth way to block porn from my computer?

This is kind of embarrassing, but I'm looking for a way to block porn/adult content sites on a Mac that can't be easily undone. I've using https://selfcontrolapp.com/ and it's been great (after a site ...
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Port forward on a new Huawei - HG8247W5 router

I searched the internet for a solution, however no-one seem to have this particular problem trying to port forward on a HG8247W5 Huawei router. This is how I tried to setup the port mapping: enter ...
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If a Firewall blocks an incoming Port, and an application listens to that exact port, what happens?

Lets assume that I set up a Firewall Rule, that blocks all incoming traffic from Port 23 (Telnet). An Application now tries to listen to Port 23. . What happens? Does the Application listen to that ...
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Connect router to a fiber optic modem

I have a modem with optical fiber technology with WI-FI. Straight cable connection with two PC is stable and fast (around 450 Mbits/sec), but every WI-FI driven connection is extremely slow and ...
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Router-to-Router VPN for All Traffic

I travel frequently inside and outside the US. When outside the US, I would like to have all of traffic routed through my home Internet access connection, which is fast and secure. I think the best ...
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Issues with my integrated network adapter and peer-to-peer connections

I'm having issues with my integrated network adapter I219-V when playing games with a peer-to-peer connection, either with me as the general host or another person. For the purpose of information the ...
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Access home web services remotely with DDNS and NAT forwarding

I have a local server running a couple of web service on different ports. The server is connected to a router so I can access these if I am on the same LAN. The server has a static local ip: 192.169....
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one switch works two don't- 35m cable

I am connecting my main ISP router to another router via a 35m ethernet cable, however, I have a connectivity problem, a bit long to explain so bear with me: If I connect the cable between the ISP ...
2 votes
1 answer
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multiple 3G router devices with same hardcoded IP

I have three usb 3g routers that make me possible to have internet access through different internet providers. I can use one and it works because I can route traffic through that network interface. ...
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How to configure Frontier Arris router for Google Mesh?

I have a Frontier Arris NVG468MQ router. i have google wifi mesh plugged into it. Per Google: “If your Google Wifi primary point is connected to a modem/router combo, you’ll have to turn off Wi-Fi in ...
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need help trying running 2 seperate networks simultaneously without congestion

Okay so here's my proposed setup. I have 2 routers; A & B . Router B connects to the internet via Ethernet cable to the modem. Router A does not. Router A's sole function is to be the conduit to ...
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Windows ipconfig returns wrong external IP address

I have recently changed my external IP address but for some reason, ipconfig is still returning the old IP address: My old external IP address starts with 93. If I access my router or whatismyip.net ...
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Seemingly random "lost" requests on wifi

I've recently started using new router (zyxel nr5101) and have some weird issues. Most of the time the connection both on wifi and ethernet is perfect. But It seems like sometimes (mostly on mobile ...
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A switch is usually a layer 2 device and modem is layer 1 device, but the router, which is between both of them, is layer 3

It seems a bit weird to me that the device that is between the devices for layer 1 and layer 2 is the device for a layer that is not in between in the whole communication process. Is there something ...
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Access arbitrary ports on a mobile unit

I have a mobile unit connected to the internet via 4G. I would like to host some type of listener on this unit, likely a HTTP server, and send requests to it. I would also like for this server to be ...
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How to connect a router and wall ethernet ports together in a new flat

I have 4 ethernet ports on the walls in my new flat. The cables of the ports go to a box which is placed above the entrance door (on the inside, of course). I am currently waiting for the optic ...
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Alfa Wifi USB Adapter (AWUS036ACH) connects to network, but Windows says "not connected, secured"

I recently purchased an Alfa AWUS036ACH to increase the range of my computer to detect my router. The Realtek USB Driver, which I installed according to the Alfa guidelines, indicates that I'm ...
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Can't enter router's setup page after factory reset

I just had my internet connected and wanted to play around with the network settings, but the ISP was blocking the configuraion page. I did a factory reset on the router/modem and this problem was ...
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