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32 views

Added route drops inadvertently

On my Ubuntu 16.04 I'm using local net and mobile internet via Android phone. I'm completely novice at routing but this is what I have. Just after connecting phone I have routes table: default via 10....
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1answer
111 views

Configuring two internet connections with Dynamic WAN IP

I had similar problems with this question, the difference is my WAN IP assigned dynamically from the ISPs. So how do I try the accepted answer with dynamic WAN IP ?
2
votes
1answer
65 views

Gateway routing failure after upgrading from 14.04 to 16.04

I've just upgraded my Ubuntu 14.04 gateway system to 16.04 and somehow the routing has been broken. The system uses a pppoe link to a fibre-modem and runs web, email and DNS services with a shorewall ...
0
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1answer
40 views

Ubuntu 16.04 Port forwading troooble 2 x NIC

I am trying to setup a Gateway / Firewall between our router and Windows AD network! I have followed a lot of instructions and tutorials on the web but i am still missing something as i cannot get ...
4
votes
1answer
9k views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

CORRECTION 3: SOLVED! I needed to add the the official DNS server of my departement's VLAN as DNS to the clients. I've read through a large number of posts about iptables issues when using Linux as ...
0
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1answer
33 views

pinging from GNS3 router to Ubuntu bridged network and vice versa

I have installed Vmware on Ubuntu Server and created multiple VMs and connect them to different VMnet adapters. Actually I created 30 VMnet on the server. So I have the physical network adapter in ...
0
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0answers
13 views

Tool to generate multiple FIB entries on multiple NICs

Lets assume: I have 4 NICs on my Desktop. I have IP_Forwarding enabled. Using any OS: Generally, I have ONE routing table. This is provided in the FIB entries, and is used by all the 4 NICs. Just for ...
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0answers
60 views

Routing between two networks

Network #1 is my network. 192.168.1.0. The gateway is 192.168.1.1 Network #2 is another network I want to access. 192.168.2.0...gateway 192.168.2.1 On the Ubuntu server that has two interfaces and is ...
0
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0answers
23 views

Why device can't see another device on Adhoc network?

I setup AdHoc network on Ubuntu with 1 computer and 2 UDOO boards(small pc with ubuntu) on wireless. Then I give them static IPs. When all device are together, I can ping each of them from each ...
18
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3answers
45k views

How can I make VirtualBox guests share the host's VPN connection?

Question When I start my VPN on my ubuntu desktop computer which acts as a router, the attached subnet loses internet connectivity, but is still accessible (LAN). Ideally, I would like to know how to ...
0
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0answers
30 views

static route not getting picked up in linux routing table

I have a static route configured in /etc/network/interfaces file, but when i reboot, the changes in file is not taking effect in kernel routing table. I am using ubuntu 16.04. contents of file for ...
4
votes
3answers
12k views

How to setup multiple WANs with load balancing?

What is the best way to setup multiple WAN's into a Ubuntu distro and load balance? I have two internet connections, one static and one dynamic and I need to combine and load balance them. I have been ...
1
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6answers
6k views

OpenVPN connecting but no internet access on Ubuntu 14.04

I'm trying to connect to a VPN using OpenVPN. I tried using network-manager with OpenVPN plugin and tried too in terminal with ovpn.conf file. Everything connects (it says connection established) in ...
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0answers
2 views

Enable routingon linux machine

So i have 3 machines. 1)172.16.10.200 same netwrk as 2 2)172.16.10.198 same netwrk as 1 3)172.16.1.201 different network How to make 3 ping 2 and 1. I'm making 1 the router. It has 2 interfaces. ...
10
votes
1answer
22k views

How to route all internet traffic through Tor (the onion router)?

Could you explain how to route all internet traffic through tor? I am using Ubuntu I really don't know how to do it. Actually I am using tor for twitter only, and I'm afraid of DNS leak. So I need to ...
0
votes
1answer
27 views

What is the UH flag in routing table

I'm using an Ubuntu machine as a server and it has two network interfaces. One is the 10.10.10.0/ 24 range and the other is 192.168.0.0 /24 range. I was trying to bridge these network interfaces as ...
0
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0answers
72 views

How to route Ethernet network to Wifi network for internet access

I am trying to setup a small RaspberryPi 3 cluster using Docker Swarm and a custom image for the RaspberryPis from HypriotBLog. I have two network ranges, 10.x.x.x on my ethernet card connected to a ...
10
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2answers
32k views

Default gateway changing

I am using 3 ethernet interfaces on Ubuntu but when I restart, the default gateway is changing to a different interface. Each time I boot I have to change default gateway back to the eth1 by deleting ...
0
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0answers
98 views

RTNETLINK answers: Invalid argument

I have to add route to host 10.100.105.80/26 via gateway 10.100.178.129 but while giving the command : ip route add 10.100.105.80/26 via 10.100.178.129 dev eth6 RTNETLINK answers: Invalid argument ...
0
votes
1answer
54 views

Configure NIC as dedicated VPN interface

I have a setup with two ethernet connections. I'm trying to configure it so that one of the interfaces (eth1) is configured for use with OpenVPN and is not a default route for anything. (Connections ...
0
votes
0answers
51 views

Route add persists in Ubuntu Server 15.10 but not Ubuntu Desktop 15.10

When issuing identical route add -net 192.168.0.1/24 gw 25.142.124.197 metric 5 dev ham0 command, the existance of the route in route persists over a reboot on Ubuntu Server 15.10, but not Ubuntu ...
2
votes
1answer
5k views

How do I setup routing through a PPTP VPN?

I have created a PPTP connection back to my office, and managed to setup routing as suggested in this question, so that everything outside the office LAN keeps going to my current default gateway. ...
0
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0answers
79 views

Change maximum number of Virtual interfaces in Kernel

I am running Ubuntu server 14.04.3. I have smcroute installed - Version 0.95, Build 130523. When I attempt to start the daemon I get the error message: ERRO: addVIF, out of VIF space;, this happens ...
0
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0answers
49 views

/etc/network/interfaces file order of precedence

Does the order of interfaces in /etc/network/interfaces define how the routing table is built? My proposed changes to a server's interfaces file are shown below. The server has 3 NICs attached to the ...
1
vote
1answer
537 views

How to route traffic to VPN thru other linux machine

In this case I have two machines RasPi and other Ubuntu server. My RasPi (192.168.100.105) has Debian and already established UDP openvpn connection. RasPi connect to remote VPN connection 172.16.199....
0
votes
1answer
39 views

Routing issue gateway

This is the first time ever I am posting something, so if I am doing wrong please tell me. My issue is that I have an ubuntu server with 2 network cards. One is connected into the internal network ...
0
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0answers
28 views

Setting up PPP so VPN clients can access all subnets on the server

I have set up a simple PPTP using PPP on Ubuntu 14.04 using these [1] directions. I have an extra requirement that I don't see addressed in any Google searches I have made, however, and that is: My ...
1
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2answers
2k views

How to configure a second IP address and bind it to a VBoxHeadless virtual machine?

I've requested my ISP to dedicate me a second Internet IP address and have got it. Now I need to configure it (I've never had any experience with using multiple IP addresses on one network interface) ...
0
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0answers
26 views

ip rule problem

i have a weird problem with policy based routing in rule 0, there is some lines appearing and disappearing constantly. below, the output of the command (ip rule list | grep "0:") executed several time ...
0
votes
1answer
55 views

Ubuntu newbie needs network and routing help

I've installed 14.04 server, configured DNS and DHCP for my local network which all seems to be working OK. This is connected to eth1. I've installed plex which I need to connect to my drobo where all ...
0
votes
1answer
50 views

Routing private network

i'm newbie to NAT & Routing, I have an Ubuntu pc with 2 NIC's eth0 which is connected to a private Network with ip 172.16.10.0/24 and eth1 connected to 10.3.0.250/16 and eth1 connects to the ...
0
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0answers
26 views

Expose my home computers by HOSTNAME with BIND9 and DynDNS?

I would like to access my home computers, by name, from the public internet. I have a DynDNS address madeup.dyndns.org that points to my home router at 12.34.56.78. From work, I can reach my home ...
4
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3answers
2k views

Network Manager breaks manual routes

I have Ubuntu 13.10, Saucy Salamander x64 running as a guest in VirtualBox (with Windows 7 as a host). I wrote this /etc/network/interfaces because I need to add a large number of permanent, manual ...
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votes
3answers
8k views

How to set routes for my vpn connection

In my previous question I was asking about setting up vpnc connection. I've installed network-manager-vpnc so now I can configure all this stuff right from network manager gui. I have got this pretty ...
0
votes
0answers
129 views

Help with routing traffic between a gre tunnel interface to an ethernet interface

Here's my setup: I have 3 ethernet interfaces and a gre interface. I want all traffic coming in from my gre interface to be routed out one of the ethernet interfaces (eth0). Eth1 is a management ...
0
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0answers
30 views

IPV6 routing packets from eth0 to another interface

I have a device with an Ethernet connection and a wireless connection. I have an apache server on the device and a wireless stack that communicates with ipv6 wireless devices My wireless stack uses ...
0
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0answers
40 views

Gateway Unreachable, but reachable with other OS

Trying to install Ubuntu 14.04 (Server) as an ESXI VM (On a dedicated IP). The Ubuntu installer throws an error message of The gateway you entered is unreachable With the exact same gateway, subnet ...
1
vote
1answer
3k views

Ubuntu as a Router/Gateway - Unable to access WAN

I am currently trying to set up a home router using a machine running Ubuntu 12.04. The machine has two ethernet ports. eth0 is LAN and eth1 is WAN. I have set eth0 to a static ip and have eth1 ...
0
votes
0answers
19 views

Redirecting data from GPRS modem to LAN

I have an application which sends the data using the GPRS modem for a server. Now, we have changed the network configuration and we want to send the data through Ethernet/LAN. How can I redirect data ...
3
votes
3answers
10k views

Trying to enable IPv6 results in a “No route to host” error

I'm configuring a dual stack network on a KVM server using static IPv4 and IPv6 addresses furnished by my provider. I input all addresses, nameservers and gateways as required when installing Ubuntu. ...
0
votes
1answer
404 views

Share Internet from laptop (connected to LAN) to Android using WIFI router

The idea is: Internet - eth0 - Laptop - wlan0 - router - Android Static IPs everywhere. IP ranges are different. Could not establish bridge. bridge-utils unable to add wlan0 to bridge. Android doesn'...
2
votes
1answer
344 views

Multi gateway routing in ubuntu

I want to setup Multi gateway on my Ubuntu Machine. 1 for ethernet and another for USB tethering. After browsing, from the below reference https://www.thomas-krenn.com/en/wiki/...
-1
votes
1answer
475 views

ISC DHCP: Unsupported device

I am trying to run ISC DHCP on my wlan1mon device which is in monitor mode. But i get error: systemctl status isc-dhcp-server.service ● isc-dhcp-server.service - LSB: DHCP server Loaded: loaded (/etc/...
0
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0answers
26 views

Remote code execution on linux computer connected to router

I am new to using the routing tables on linux, but it seems like routers are actually able to change what the routing tables are in a computer. Why can't this ability to insert a value into a computer ...
4
votes
2answers
569 views

Can't delete a route with 0.0.0.0 gateway

I'm trying to set up my routes in a way that will allow me to connect to Vagrant box of Solum demo. My routing table contains, but is not limited to, following routes: $ route -n Kernel IP routing ...
1
vote
1answer
173 views

Routing two subnets without hiding hosts?

I have two subnets, let's say 192.168.1.0/24 and 192.168.2.0/24, which are connected by one Ubuntu server with two interface cards (eth0 and wlan0). There are lot of descriptions using NAT in a way ...
0
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0answers
33 views

Routing within Linux while connected via VPNC

I have a trouble, when i connect to A vpn server at that time my VPNC client machine is not locally available within the Local Network and VPNC client machine is only accessible within the Same WLAN ...
0
votes
1answer
202 views

Routing internet protocol with either bird or quagga packages

I would like to advertise routes with RIP (either version 1 or 2). In the repositories I see three packages. bird: supports IPv4 and IPv6 versions of BGP, OSPF, and RIP. quagga: supports IPv4 and ...
23
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4answers
125k views

How to set static routes in Ubuntu Server?

I have used Ubuntu since Ubuntu 8.10; today I'm working with Ubuntu 12.04 Server. I am having difficulty keeping static routes on booting. I would usually put the route commands /sbin/route add -...
2
votes
1answer
2k views

Can't access any remote network routes using OpenVPN client

My home network has an OpenVPN server installed and working. I can connect into that network from Windows machines using the OpenVPN client software and everything works fine. I have an Ubuntu laptop ...