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Working with two internet connections

That's my server network setup: /etc/network/interfaces auto ethLAN iface ethLAN inet static address 192.168.10.3 netmask 255.255.255.0 network 192.168.10.0 broadcast 192.168.10.255 auto ethOI ...
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1answer
34 views

Configuring two internet connections

First, I'm know there's lots of topics about this kind of problem but I can't found a solution to my specific problem. In my setup I have a Linux server with three interfaces: ethLAN for LAN with IP ...
3
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1answer
70 views

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

I've read through a large number of posts about iptables issues when using Linux as a router, but none could help me with the following: I am setting up a number of student workstations in our ...
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0answers
13 views

Use Ubuntu as internet gateway

I do have the following setup and would like my ubuntu pc to work as the gateway to the internet: Access point: 192.168.2.1 Ubuntu (wlan0): 192.168.2.2 Various other clients: 192.168.2.x Now, ...
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29 views

How route works in ubuntu 14.04. box won't use set route

I am a little bit confused about a so simple task I am sorry I had to post this. I have a box let's say routing OS (mainbox) with local IP : 192.168.25.17 . That box has a VPN connection with another ...
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29 views

How do you save the routing table on the Beaglebone Black(angstrom )

I Flashed my beagle bone with the angstrom image and I set it up so that it can get internet over the USB connection and one of the steps for that is this command: route add default gw 192.168.7.1 ...
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1answer
68 views

Routing internet traffic through vpn only when connected

I set up a pptp vpn server and can connect to it with my laptop without any problems. However, connecting to the vpn causes issue with routing (i.e. I am not about to connect to the outside web). To ...
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1answer
71 views

Routing in computing cluster

I'm trying to set up a computing cluster composed of four nodes. Each node have 2 interfaces p1p1 and p2p1. The first node - head node - should be visible form the outer world. It should route all ...
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1answer
117 views

Question about routing VMs with static IPs in Ubuntu (Unsolved)

I have a server with an external provider that is running Ubuntu 12.04. The server is having a static IP. I have installed VMware workstation and I am running some virtual machines, one of them is for ...
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1answer
66 views

Routing table incorrect at startup

Whenever I reboot my Ubuntu server, the routing table is incorrect for the default route. The routing table correctly specifies the LAN IP address 192.168.124.0/24. All other traffic should go through ...
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0answers
54 views

When the system resumes the default route is missing [closed]

A notebook running Ubuntu 13.10 (xfce), using wifi, and until recently when I shut the lid down it suspended nicely, and when I opened the lid it resumed, and auto-connected to the wifi. Now it no ...
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1answer
41 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
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2answers
90 views

Two subnets on one interface

So Im trying to configure a zoneminder video server that connects to ip cameras on the lan but I would like the cameras to be on a different subnet as our office and Im not sure how to accomplish that ...
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0answers
35 views

'proto' field in 'ip route add'

I have added two routes using: ip route add 100.100.200.0/24 via 100.100.100.1 proto 89 and a different protocol number. My question is if this 'proto' number is same as IP protocol numbers (i.e ...
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0answers
29 views

What the difference between 'ip -6 route' and 'route -A inet6'?

I use the following commands to add a default route entry whose next hop is fe80::20c:29ff:fe75:b579: sudo route -A inet6 add default gw fe80::20c:29ff:fe75:b579 dev eth0 sudo ip -6 route add default ...
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0answers
14 views

How do I determine the route that a download took?

Basically I have 6 VMs set up, all configured with static routes, providing a client 2 routes to a server. The static routes have all had metrics added to them so that the the traffic takes the ...
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0answers
14 views

routing in ubuntu 12.04

I would like to know how to route to, what I want is that when I send a request to my machine for a specific port is automatically redirected me to another ip with specific port. Any help would be ...
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0answers
70 views

nm-connection-manager “shared connection” does not route to inner network

I'm using a Raspberry PI to share it's wifi connection with an ethernet-switch. In the Connection Manager, I set the eth0-interface to shared, so it would use the wlan0-interface as the internet ...
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1answer
390 views

OpenStack Neutron outside communication through router doesn't work, local between VMs does

I am pretty lost with this one for few day now and can't move further. Any ideas will be very welcome. My private net for VMs: 10.5.5.0/24 Outside link via 192.168.22.0/24 (my router's IP ...
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0answers
171 views

Installing xubuntu-desktop breaks cloud-init (routing to 169.254.169.254)

Run Ubuntu Server 12.04 (or a later version) in a VM. Reboot. Cloud-init continues to work. Then install xubuntu-desktop. Then reboot; you will see that there is now a broken route to the ...
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0answers
38 views

How do I route an OpenVPN connection to an interface?

I want a service on my server to connect to the Internet using an OpenVPN connection. While I could connect the server to the OpenVPN server directly, it would (a) make the rest of the server connect ...
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1answer
122 views

Two gateways and two interfaces

I wan't to configure my ubuntu server as shown below. I need the clients in the 192.168.3.0 network to access internet through gateway 192.168.0.14, but at the same time i need 192.168.0.13 router ...
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0answers
30 views

How to allow ip forwarding out of source interface

I have enabled ubuntu for ip forwarding, and that works. However, sometimes the routing table has a next hop out of the same interface the packet came in on. It triggers an ICMP redirect as expected, ...
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0answers
20 views

Using server as controlled switch

I have an Ubuntu server with 3 NICs installed. I have two classrooms. I want to control the two classrooms with IPtables separately. My problem is that I can't (bridge eth0 to eth1) and (bridge eth0 ...
4
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1answer
1k views

persist port routing from 80 to 8080

I use amazon EC2 instance which works via ubuntu. By default according security restrictions I can't bin my application to port 80, so I just bind it port 8080 and then set routing redirect from port ...
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0answers
101 views

Routing 192.168.168.0/24 out eth0, all else out wlan0

Good Morning/Afternoon/Evening, I have been tasked with the configuration of multiple, sonicwall ISR's, and thought i could use this as a bit of a Linux learning curve. What i am attempting to do, ...
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1answer
6k 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 ...
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1answer
336 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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2answers
269 views

Connected to VPN but still same IP

I am trying to setup a VPN connection on my machine, Ubuntu 12.04. The steps I did are the following: sudo pptpsetup --create myvpn --server 123.123.123.123 --username vpnuser --encrypt sudo pon ...
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1answer
184 views

Connect to virtual host from local network

Configured bind9, apache and all related services. Problem is; I am able to connect to my sites from outside, www.mysite.com (example) is ok. In such case my - client IP is different than servers IP. ...
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1answer
62 views

Interface for my router in Ubuntu

I would like to know if there is a way in which I can create an interface in my Ubuntu 12.04 LTS Desktop for my router. My Goal: I want to tcpdump the ip address of the router which is 192.168.1.1. ...
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118 views

How to configure linux routing as hidden router

Hi i need my linux box to route all communication from one ethernet to other and back with no one knowing about the box. I have this configuration: i have local network on eth3 1 pc on eth2 eth3 has ...
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149 views

Problem routing between 2 private networks

I'm having my first foray into setting up Ubuntu server 12.04 as a router which connects 2 private networks. On the server there are 2 NICS eth0: static ip 192.168.0.101 255.255.255.128 (netmask) ...
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0answers
132 views

Ping through GRE tunnel dicarded between 2 interfaces of a router - Ping does not reach subnet

I have an interesting issue that I hope someone can help with. I am trying to create a gre tunnel between 2 routers (running linux ubuntu 12.04) and pass traffic between 2 subnets trough this tunnel. ...
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99 views

Problem with routing using Shrew Soft vpn

Ran into a little bit of a trouble with the Shrew VPN. When I try to connect over vpn, I get ridiculously low speed (0.3k / sec) under Ubuntu. I tried this under Windows and all is perfect in the ...
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0answers
108 views

How to use multiple wireless adapters to route traffic based on target

I have multiple wireless adapters (let's call them wlan0, wlan1) and I can connect to multiple networks (let's call them network0, network1) at the same time. Now, what I want to accomplish is, route ...
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0answers
99 views

Network bridging and routing

i have a isp. and i have ubuntu server 12.4 with three nic. here eth0 ip is 10.10.10.15 with the gateway 10.10.10.1, eth1 ip is 10.0.0.20 with the gateway 10.0.0.1 and last eth2 my local lan ip ...
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0answers
137 views

Wireless lan connection stops working after 3 pings or after loading one web page

My boss asked me to install Ubuntu 12.04 LTS 32 bit on an old-ish laptop with an external US Robotics Wifi card and an internal ethernet card. I have gone through all the painful hops about installing ...
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1answer
109 views

Is my OpenVPN connection doing its job?

My first question is whether or not my openvpn connection is working as it is supposed to (routing all network traffic via the tun0 interface). When I type netstat -rn I get the following: $ netstat ...
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66 views

Ubuntu tunnel or gateway

I have three different server based on Ubuntu 12.4. The main idea to route specific traffic through one server. Server A - 144.50.1.25; Server B - 144.55.23.21; Server C - 144.10.12.34; How to create ...
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0answers
2k views

Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
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1answer
166 views

How does a computer decide which network interface to send traffic to?

I have a computer (Ubuntu) with one wired and one wireless network interface. The wired one is statically assigned and connected to another single machine with a statically assigned address. The ...
0
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1answer
715 views

Add a virtual interface to the same subnet and route both

What I am trying to accomplish is extremely close to this, with one twist. I want the second "nic" to be a second ip address (I guess sometimes called a virtual nic), added to the same physical nic ...
0
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1answer
1k views

Forwarding multicast packets in wired-wireless-nat-router

I am receiving IPTV (multicast) from my ISP (Deutsche Telekom) and it is already working without any issues for the main receiver which is directly connected to my dsl router (AVM Fritz!Box 7390). ...
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171 views

OpenVPN seems to not allow webpage loads

On my openvpn tunnel into my home router (running asuswrt-merlin), when I try to load a webpage in firefox, it just seems like it's trying to load the page, but has no success. RDP connections appear ...
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2answers
14k views

Set up permanent routing (Ubuntu 13.04) [duplicate]

I have 2 connections: wlan0 (gw: 192.168.1.1) and eth0 (gw: 192.168.2.1). My default connection is wlan0, but I wanted some websites load through my eth0, so I set up routing for those websites/IPs ...
4
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1answer
8k views

Forwarding traffic between 2 interfaces

I have 2 VLANs connected to a 'router'. All the machines can ping other machines within their own VLAN and the router. The router can ping all of the machines. I am trying to get machines to talk to ...
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0answers
259 views

Permenant Route Addition

I'm trying to add a route permanently to my VPS, at the moment I have to run the command manually every time I find out the server has rebooted. I read somewhere I had to add something to ...
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3answers
3k 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. ...
2
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1answer
2k views

Help configure multiple network interfaces

I'm running Ubuntu inside a VM on my work laptop. I have to run my VPN software on my VM Host system and need access to my VPN network from within my Ubuntu VM. I can set my VM's network interface to ...