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2answers
38 views

How do I connect two remote servers

I've been working with LANs using Ubuntu for some time now. So I have 2 office locations, each with their own Ubuntu servers. Now we need to link them and we have been provided with a leased line. In ...
0
votes
2answers
246 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 ...
3
votes
1answer
1k 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 ...
2
votes
1answer
10k 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 ...
2
votes
1answer
1k views

OpenVPN - Routing issue

Server: Ubuntu 11 (Openvz VPS) Client: Windows 7 Issue: clients connect successfully to VPN, but loss of internet access once inside the VPN. Facts: Everything mostly defaults Is a ...
2
votes
1answer
89 views

Networking and Traffic routing question

Hello I had a few of questions related to networking, let me list them in a logical order: 1) Can multiple interfaces be bridged together so that it results in increased bandwidth? 2) Can wired and ...
1
vote
1answer
132 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 ...
1
vote
1answer
126 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 ...
1
vote
1answer
634 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 ...
1
vote
1answer
204 views

How to IP forward only between 2 interfaces out of 3 installed?

I'm using ubuntu 12.04. There are 3 NIC on my PC but I wish to do ip forward only on 2 of them that act as a router. The 3rd NIC need to be separated from the other 2 and not be able to see the ...
1
vote
1answer
116 views

Routing 2 ISPs to 2 different networks

Ok, so here is my scenario. eth0 and eth3 point to 2 different ISPs, eth1 is an internal network say on 192.1.1.0 and eth2 is on another network say 10.1.1.0. I want each network to be on their own ...
0
votes
1answer
96 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 ...
0
votes
1answer
364 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 ...
0
votes
1answer
178 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 ...
0
votes
1answer
350 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. ...
0
votes
1answer
880 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
votes
1answer
2k views

Operation times out trying to SSH outside LAN i.e. from internet to LAN no connection is established

I run Ubuntu 12.04 and have no success connecting with SSH from "Internet". The router is a TL-MR3420 which is set up to forward requests to one of the NIC's on ubuntu machine (which has in total 3 ...
0
votes
1answer
501 views

Unable to ping et1 - routing issue

I have an UBUNTU server VM installation with two NICs. eth0 is on the LAN network, configured by DHCP and is working fine. I manually configured eth1 with a static IP on the DMZ network but can't ping ...
4
votes
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 ...
2
votes
0answers
339 views

iptables, forwarding between interfaces

I'm trying to setup a router using iptables. But, after a lot of examples I've tried, I can't get anything to work. My idea is to setup a box in between my Cisco and the main switch for firewall, ...
2
votes
0answers
785 views

How can I tell Ubuntu to keep the correct routing table?

Ubuntu sets a wrong routing table if the router is switched off and on again: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 ...
1
vote
0answers
15 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 ...
1
vote
0answers
253 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 ...
1
vote
0answers
335 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 ...
1
vote
0answers
78 views

A strange routing problem

I built a router based on ubuntu server 13, which connect to the internet by VPN (yes, by pptp-linux). And I installed squid3 on the same server. I can visit all websites (facebook and twitter ...
1
vote
0answers
183 views

Ubuntu Server is not routing a vtun VPN

I have an Ubuntu 12.04 LTE virtual server, kernel 2.6.32, and a VPN with vtun running. In the VPN, the server is 6.6.6.6, and the two clients are 6.6.6.29 and 6.6.6.35. If I ping 6.6.6.6 from any ...
0
votes
0answers
23 views

routing through ubuntu server

Im having issues with routing from Windows/Linux/Mac machine through server and from desired interface out. So this is my configuration: My example will be Ubuntu -> Ubuntu -> out First machine: ...
0
votes
0answers
12 views

Using ufw as a firewall between network segments

I've been using Ubuntu server 12.04 as a router and it worked. Now I'm trying to add some security using ufw. I enabled the ipv4-forwarding feature in the configuration file and added a rule ...
0
votes
0answers
19 views

ubuntu 14.04 routing between 3 networks

I would like to get some assistance setting up routing. I have an ubuntu server 14.04 with 3 nics. configuration as follows: 192.168.1.0/24 dev eth2 proto kernel scope link src 192.168.1.1 ...
0
votes
0answers
12 views

Routing traffic to certain IPs over wlan0

How can I route traffic to certain IPs over wlan0? I have an ethernet (eth0) and a WLAN (wlan0) card in my computer. I want all traffic but the traffic to certain IPs to go through eth0. For a list ...
0
votes
0answers
34 views

How do I make permanent static routing over a range of IPs?

I am a newb, so I apologize in advance. I'm trying to setup some permanent static routing so that my Plex can bypass my VPN. I have a list and range of IPs that I need to add, but I don't know how to ...
0
votes
0answers
30 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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0answers
58 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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0answers
99 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 ...
0
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0answers
69 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
15 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 ...
0
votes
0answers
93 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 ...
0
votes
0answers
46 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 ...
0
votes
0answers
40 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, ...
0
votes
0answers
22 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 ...
0
votes
0answers
122 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, ...
0
votes
0answers
142 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 ...
0
votes
0answers
197 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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votes
0answers
154 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. ...
0
votes
0answers
126 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 ...
0
votes
0answers
121 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 ...
0
votes
0answers
110 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 ...
-1
votes
0answers
10 views

Ns2 Routing protocols in NS 2.35

Is this CBRP http://www.comp.nus.edu.sg/~tayyc/cbrp/ implemented in ns 2.35 ? if not how to incorporate CBRP protocol in ns 2.35?
-1
votes
0answers
152 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 ...