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Questions tagged [router]

A router is a device that forwards data packets between computer networks, creating an overlay internetwork

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Configure interface when link not present

How can I have netplan bring an interface online whether or not a link is detected? This is technically a systemd-wide issue, but I'd like to know how to mitigate it using netplan. Prior to systemd, ...
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1answer
26 views

unable to connect to <ip-address:port>: No route to host

I was trying to connect my phone with adb over wi-fi (I did tcpip to 5555), but not working since I bought a new router. It works fine when using my other phone as a hotspot. I was trying to ping to ...
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1answer
81 views

Network is unreachable

I have one server using 192.168.1.2/24 and the other server using 192.168.2.2/24. They are connected on my router with separate adapters. I tried ping test from my router, it worked. However, when ...
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25 views

Ubuntu & Netplan - Example of blackhole or unreachable routes

I have not found examples of how to configure Netplan in Ubuntu Bionic 18.04 with global blackhole/unreachable routes. So I'll put it here in case someone else runs into the same problem, has an ...
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24 views

how do i access phone/4g dongle plugged in a router using wammu or alternative?

My configuration is an ubuntu pc connected to internet through a mobile phone or usb modem plugged in an ethernet router (openwrt - upnp is activated and i can ssh the router). What i'm looking to do ...
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57 views

How to bridge two interfaces with netplan

I want to setup a gateway on an Ubuntu 18.04 machine with 2 eth ports - ETH1 - WAN connection, connected to my corporate network with DHCP ETH0 - LAN connection, connected to my laptop statically I ...
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11 views

Resetting route settings after few seconds Ubuntu 16.04

We are trying to set route in Ubuntu 16.04 for our lan network via Vagrant. When we set parameters for route sudo route add -net 172.16.13.0/24 gw 172.16.5.1 after ~10 seconds this route is resets. ...
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Mobile and laptop hotspot works but router wifi not connecting in ubuntu 18.04

mobile hotspot and laptop hotspot works fine but whenever trying to connect with router it will not connect. Here's the output of running lspci -knn | grep Net -A3 $ lspci -knn | grep Net -A3 ...
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124 views

How can I find the IP address of my router?

I have read 4-5 articles about it they all tell almost same steps to reset a password of my router. They tend to start with an instruction along the following lines at which I'm stuck already: ...
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1answer
59 views

External connection from SSH [closed]

I installed on my Ubuntu 16.04 the openssh-server and wanted to access my pc remotely through the terminal of other networks, such as the university, for example, but I'm only able to access through ...
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37 views

Why does World of Warships hang when using Ubuntu 18.04.1 and not Debian 9.5 as a router/firewall?

I have a firewall/router and I have been using Debian on it for a couple years now. I decided to made the switch to Ubuntu Server 18.04.1 because I am very interested in using the live patch feature ...
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1answer
257 views

SSH and router port forwarding Ubuntu Server 16.04

I'm pulling my hair out trying to get SSH to work through my router/firewall, tell me if I'm missing something... Fresh install of Ubuntu Server 16.04, left SSH config alone, and created keys. Able ...
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53 views

can't ping gateway from second ipv6

i have a ubuntu 16.0.4 and a /64 block of valid ipv6 to use. my ips : 2001:xxxx:yyyy:4::/64 my gateway : 2001:xxxx:yyyy:3::1 when i set fist ip to use via : ip addr add 2001:xxxx:yyyy:4::1/48 dev ...
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1answer
4k views

Ubuntu 18.04 as a router

Ubuntu 18.04. I have been given a requirement to use Ubuntu as a simple router. The Ubuntu box has 2 interfaces - ens33 DHCP, ens38 192.168.10.1/24. 33 is outside, 38 is inside for my purposes. ...
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215 views

Ubuntu Router with different LAN subnets

I have an ubuntu 18.04 router with several LAN interfaces: 1st interface: 2 port 10G NIC (the interfaces are bonded/teamed) bond1: interfaces: [enp5s0f0, enp5s0f1] 2nd interface: 4 port ...
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67 views

Internet disconnects at the router and only when I'm online

My Internet occasionally drops out for my whole house when I'm on it, this doesn't happen when anyone else in my house is on the Internet, so this might be a problem with Ubuntu causing the Internet ...
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1answer
62 views

Pages loading too long on new router (Ubuntu 18.04)

I have replaced my router with a new one. Internet speed is the same, but I have problem that certain pages load for too long. Google searches appear instantly, for example, but Youtube and Facebook ...
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2answers
983 views

Ubuntu 18.04 not recognizing hostnames from router

I previously had Xubuntu 16.04 installed, and it did recognize the hostnames set by my router (Tomato). For example, I have a computer with the name mate on the network with a static IP of 192.168.2....
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1answer
54 views

Set up network without router

my Dad, who's 88, had a pretty useless laptop (it was a 4Mb Celeron, running Windows 10, via Microsoft's unwanted, irreversible auto-upgrade/install). Too slow, pathetic GUI. While it was running, I ...
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28 views

UbuntuStudio will connect to one of two routers

This is my setup: I have a router (802.11n) from my cable provider connected directly to the internet via ethernet. I also have an Apple AirPort device (802.11n) hardwired to this router. I have ...
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1answer
112 views

Cannot properly configure a gateway on Ubuntu 16.04

I'm trying to make a gateway using Ubuntu 16.04, my server has the following nics: enp4s0 Link encap:Ethernet HWaddr 00:15:c5:f6:c0:36 inet addr:192.168.0.101 Bcast:192.168.0.255 Mask:...
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131 views

why /proc/sys/net/ipv4/conf/all/ignore_routes_with_linkdown don't notify for all of the port's

I am using Ubuntu 16.04.4 LTS, and when when I do echo 1 > /proc/sys/net/ipv4/conf/all/ignore_routes_with_linkdown in ip route I can see: 0.0.0.0 via 172.17.235.1 dev eth0 linkdown default ...
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469 views

Ubuntu server 18 setup as router

I want to makeover my current network and run my own Ubuntu router in a VM. Currently i have 4 servers running and i want to take one or two down by using VM's. My first goal is to setup a router ...
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1answer
135 views

Why does my ubuntu server become unavailable from remote access after about 10 hours?

While setting up my raspberry pi with apache2, shh and more at a new address I've encountered a problem. My setup consists of a router with port forwarding 80, 443 and 22 to my RPI's static local IP, ...
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46 views

How can I access to a network printer?

I have an HP LaserJet P2035 connected via USB to my TP-LINK Archer D2 v1 modem-router. Unfortunately, I can print only using a proprietary software called "USB Printer Controller" that works only in ...
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1answer
322 views

Use iptables as router

I am having the following setup: client: 192.168.103.55 "router" 192.168.103.30 (eth3), 192.168.102.30 (eth2) server-1 server-2 192.168.102.21 (eth2) 192....
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95 views

Ubuntu 16.04 wireless router connection not working

I have a new Dell Inspiron with Ubuntu 16.04 installed. I can't get it connected to the internet, there are several secured networks in range, one of them is my smartphone that acts as a hotspot, the ...
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109 views

Ubuntu won't connect to Netgear router [duplicate]

I have a dual boot setup with Windows 10 and Ubuntu 16.04 LTS and Ubuntu refuses flat out to connect to my Netgear WGT624v3 router. It tries for about 20 seconds and then prompts for the password ...
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33 views

Share VPN connection connected via mobile internet

I have a LAN network with dedicated static IP addresses, I want to provide a secondary source of internet (whenever primary source is down) to the LAN, shared from one of the clients. Internet is ...
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60 views

Lost ipv6 address after trying to setup ipv6 forwarding

I have built a router based on Ubuntu server 16.04 LTS, which also acts as my home server. Right after fresh installation when I use ip addr, it successfully gave me the global ipv6 (not the local ...
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48 views

Ubuntu Router - 2 NICs - cannot ping Internet from internal network

I have read many posts on how to configure 2 NICs, but some help would be very appreciated. I am planning to make a router using an Orange Pi R1. I have installed Ubuntu Xenial Server using an image ...
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43 views

Setting Ubuntu server as router can't access internet

Im trying to simulate a network (router, firewall, PCs and server) with several virtual machines running Ubuntu Server. I have followed several tutorials, questions on this froum and so on but I can't ...
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1answer
72 views

no reverse ping

For no reason that's clear to me an ubuntu 16.04 machine stopped being able to access the internet. What's curious is that it can still ping the router - but the router cannot ping back! The router is ...
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0answers
12 views

Network problem with internet connected to PC via USB

I have a box running Linux and a Raspberry Pi and want to share files using samba. It works perfectly when the Raspberry Pi is connected to my PC with an ethernet cable but I am having problems when ...
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15 views

Connect to the same Router with 2 Wlan Adapters and be able to go online

here is what I want to do: -use my PC as an Emulator for a Wii U Gamepad (works fine with my internal Wlan Adapter) -use a second USB-Wlan Adapter to connect to the internet The problem is that the ...
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122 views

Ubuntu 17.10 wireless connection extremely slows down all the devices connected to the same router but normal in another router

My computer is Surface Pro 4. The router leading slow wireless connection was provided by the ISP, so it cannot be replaced. The normal one is a tomato-based router and an old one bought years ago ...
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1answer
44 views

dhcpd not handling client hostnames properly on router machine

I'm using 16.04 Xenial as the OS for my router which I just set up to connect to my broadband with ppp I also set up dhcpd and it seems to be doing OK apart from one thing - I can't use the ...
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1answer
1k views

DHCP not assigning Ubuntu VM an IP

I am trying to give my Ubuntu VM (16.04) on my Windows 10 host its own IP address via a Bridged Adapter on my local network so I can SSH in to it using a program like TightVNC (so I can view the GUI) ...
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30 views

Cannot get routed

When I connect to my router either using WiFi or Ethernet, I can ping 8.8.8.8 a couple of times, after which I get the message "Destination Host Unreachable" for every subsequent ping. If I restart ...
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0answers
90 views

wifi connection invisible in LTS 16.04 Gnome

I fresh installed Ubuntu Gnome 16.04 LTS. The wifi has been working properly for a month up until yesterday when my home wifi connection(router) is not visible any longer(the wifi is visible in my ...
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2answers
796 views

can't open port

I'm new in ubuntu & networking. I opened port: 9876 ofr tcp and udp. I Created a java udp client and server. The server is listening to port 9876 and I connected to my server with my external ip ...
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63 views

Trying to unbrick a router using Ubuntu [duplicate]

I'm trying to unbrick my Buffalo WZR-HP-G300NH that had OpenWRT on it (it bricked when I tried to go back to stock.) Windows fixes didn't work so I am trying an Ubuntu 17.10 Live USB, but I am running ...
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1answer
161 views

Ubuntu server doesnt find cable connection

I am setting up my second Ubuntu server. The first one worked and connected properly. This one doesnt seem to find the device drivers to connect to the ethernet. During installation it complained of ...
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0answers
2k views

WiFi frequency channel change

I am trying to change wifi channel to one that will use 5GHz frequency. iwconfig lo no wireless extensions. wlo1 IEEE 802.11abg ESSID:off/any Mode:Managed Frequency:5.2 ...
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1answer
149 views

Router login problem

My netgear router works fine on ethernet and wifi, but I cannot get the login page to change my password. My desktop was recently replaced. I am using Ubuntu 16.04. I need to find the ip of my router. ...
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1answer
56 views

Ubuntu 17.04 : My desktosp pc finds the wireless networks but can't connect to it

Wifi is not connecting but it scans all the networks. I am using wireless usb adapter. Few months ago, it worked perfectly but after that it didn't work. I have tried echo 'options ath9k nohwcrypt=...
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1answer
520 views

How to Reduce Buffer Bloat on an Ubuntu Based Router

I had an old Dell Optiplex 790 (added dual Intel PCI-E gigabit NIC) sitting around that I decided to make into a router using Ubuntu 16.04 and the guide found here https://arstechnica.com/gadgets/2016/...
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1answer
524 views

Windows 10-like hotspot program for Ubuntu [duplicate]

Windows 10 Mobile Hotspot setup I need to create something like the above in Ubuntu to connect my chromecast in my dorm room. It basically re-routes the wifi connection. This seems to be impossible ...
5
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1answer
3k views

How do I set up an Ubuntu server to be the router for two private networks on my network, and do the DHCP addressing?

I want to use my Ubuntu server to be a router for two private networks on my network. I also want this server to serve DHCP requests for the private networks. How do I set up an Ubuntu 16.04 server ...
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1answer
291 views

Ubuntu Server 16.04 routing issues

I'm setting up my server to do all my routing. The LAN side seems to be working fine (dhcp is assigning IP and connecting) however there is no internet connection to any of the clients. But I can ping ...