0
votes
0answers
18 views

Granular routing with iptables and iproute2 over VPN

On a host at my house I have a host for a VPN that I need for a couple of purposes. Living temporarily in Japan, it functions as a NAT for some devices so I can still use my NETFLIX and some other ...
1
vote
0answers
87 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
1
vote
1answer
35 views

How to use one nic for storage traffic & other for network traffic?

I have a Slackware Linux machine with two network interface cards and I want to use one interface for network traffic and other for storage traffic. As this is Slackware, I don't know if this could ...
0
votes
1answer
49 views

Routing internal traffic in centos to the internet using iptables

Hello friends i am struck in routing traffic from the office to internet i have a network structure like this http://asthana.me/images/ip.png I have assigned static ip to the cent os server(which ...
0
votes
1answer
21 views

Policy route by source MAC address

I have a requirement to perform MAC based policy routing on embedded Linux platform (desktop Linux example will work as well) . I have examined the man of ip route add command and did not found ...
-1
votes
1answer
39 views

Bind incoming packets to 1 interface and outgoing packets to 2nd interface?

I am have a Linux machine with 2 network interface cards, I need to use one for incoming packets, other for outgoing packets.
0
votes
1answer
34 views

Difference of `route` and `ip route`

I'm using arch-linux. route and ip route give basically the same information to me. But route takes much more time than ip route. What is the reason?
0
votes
1answer
17 views

Routing packets from one host to other on Linux

I have a server and a pc. Both installed Ubuntu. server has docker installed, and I want to route my packets from pc to that server. Both ifconfig outputs: (relevant parts only) server: docker0 ...
1
vote
0answers
36 views

How to stream WiFi cameras over a Linux gateway to my laptop using iptables?

My setup is as follows: Linux gateway has one WLAN configured as WiFi client (192.168.0.100) to a Linksys WiFi AP(192.168.0.1). There are three WiFi cameras connected as WiFi clients (192.168.0.101, ...
0
votes
0answers
20 views

Route private IP through specific interface

Setup: Server is running on Ubuntu Server 12.04 LTS. A server with public IP on eth0. An intranet (MAN) on eth1 where server's IP is 172.30.160.150, network is 172.30.160.148/30, and remote point ...
1
vote
1answer
99 views

Odd packet loss through NAT with two WAN interfaces

I have got a Linux server machine which I also use as network gateway / "router". It has three network interfaces active – two network interfaces connected to the internet over different ISPs and the ...
1
vote
2answers
168 views

Multiple IPs on Multiple NICs same subnet

So, I've got two NICs: eth0 eth1 and I have multiple IP addresses assigned to each: auto lo iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 10.0.0.194 netmask ...
0
votes
1answer
66 views

Default route in debian with two interfaces

I have a debian machine with two interfaces, configured by dhcp: allow-hotplug eth0 iface eth0 inet dhcp allow-hotplug eth1 iface eth1 inet dhcp On boot, a default route is added to eth1: 0.0.0.0 ...
1
vote
0answers
30 views

Linux routing table entry disappears

I run Fedora 20 (Linux 3.13.3-201.fc20.i686) inside VirtualBox on a Windows 7 SP1 host. The Ethernet adapter on the guest is configured as a Bridged Adapter in VBox, and gets an IP via DHCP. Here's ...
1
vote
0answers
39 views

multiple ipv4 addresses with internet connection on single physical device

my isp gives me up to two ipv4 addresses. i have a raspberry pi with archlinux connected to the modem. first interface is eth0 and the ip address is obtained via dhcp. i created a virtual device with ...
1
vote
1answer
31 views

Linux: Is it possible to know if my kernel has support for “policy routing” enabled?

I am following these instructions in order to configure multiple default routes for Linux (I am testing it on Ubuntu v12.04 and Kali v1.0.6), and the feature "policy routing" is requested enabled in ...
0
votes
0answers
31 views

Route outgoing network traffic via script

I need to monitor network activity on the server. I would like all traffic to pass through a script, like a proxy. My proxy script will inspect the request and then serve the response. How can I do ...
0
votes
0answers
53 views

Get IPv6 to work

I'm trying to get IPv6 to work. My host provied me the following informations: IPv6 network: 2a03:4000:2:483::/64 IPv6 gateway: fe80::1 My /etc/network/interfaces looks like this: # The loopback ...
1
vote
0answers
144 views

Tunneling traffic through OpenVPN

Following the steps described here I've managed to configure both the VPN server and client(I can ping both ways). Their respective configuration files are: server: ;local a.b.c.d port 1194 ;proto ...
1
vote
1answer
37 views

Linux intranet networking

I want to set up a private network not connected to the Internet. I have a computer running Ubuntu Server 13.10 which I would like to function as a web server accessible from the other computers on ...
3
votes
2answers
206 views

Is it possible to have 2 different VPN connections simultaneously on the same machine? maybe on different network interfaces?

I am setting up a new cluster in my new workplace, and I am still administering another cluster in my last work place. Basically I am "copying" the configuration of the first one to setup the new one. ...
0
votes
0answers
16 views

Route traffic of specific direction

Given there's a server that does not have a default internet gateway. An app on this server is trying to access Gmail's IMAP. Is it possible to route this specific traffic through internet gateway? ...
1
vote
0answers
44 views

ARP for a multihomed machine (Linux)

I try to configure two interfaces on my server to behave as independently as possible on the same medium. However I have some problems with ARP (maybe related to ARP flux). I hope somebody can ...
0
votes
1answer
44 views

Remote IP on a local device

What I want to achieve is to be able to have one of the IP addresses from a remote server on a local server (raspberry pi). Right now the network map would look like this: RPi (192.168.0.42) ---> ...
0
votes
1answer
72 views

Default gateway “dissapears” from the routing table

I use NetworkManager (Arch Linux) in my laptop in order to connect to wireless networks. I use the official GNOME GUI. Everything works fine, but after an half an hour or so the network is still ...
0
votes
2answers
112 views

Routing tables and ip forwarding between two machines

Hi my current network is like that [Raspberry]--eth0--------p3p1-[Laptop]-wlp3s0------[Router]-------INTERNET eth0 = 10.10.10.2 p3p1 = 10.10.10.2 wlp3s0 = 192.168.2.11 Router = 192.168.2.1 I would ...
0
votes
0answers
18 views

Masquerade in both directions [duplicate]

I have a two networks that I need to link in two directions. network A 10.11.0.0/24 - and its gateway 10.11.0.1 network B 10.0.0.0/24 network B has a server (10.0.0.38) that is connected to the ...
0
votes
1answer
50 views

Bidirectional two networks link

I have a two networks that I need to link in two directions. network A 10.11.0.0/24 - and its gateway 10.11.0.1 network B 10.0.0.0/24 network B has a VPN server (10.0.0.38) that is doing a ...
0
votes
0answers
32 views

VPN across three VPS's

I have three servers running on virtual machines. The gateway is 192.168.0.1, and the hosts are the numbers 2,3 and 4. The first host is serving a PHP script which outputs the visitor IP ...
0
votes
1answer
252 views

Route traffic from one address to another on one interface and to everything else through another interface

I have a small embedded computer running busybox. It has a wired eth0 interface, which is connected to an on-board wlan-module's wired interface by a cable. Also there's an 3G module on ppp0. I need ...
1
vote
1answer
117 views

Default gateway is lost

A weird thing is happening here. I am using TPLINK WDR3600 as server, which is connected through Ethernet with a modem in bridge mode. I use 2 PCs and a cell phone on my LAN. Something is happening ...
0
votes
0answers
56 views

Ping through GRE tunnel discarded 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
71 views

add routes on CentOS 6.3 with two subnets

Consider the following scenario and please help me to add static routes. I have recently purchased two servers. Each server has two nics and both the servers are connected using crossover LAN cable on ...
0
votes
1answer
114 views

On Linux, can I forward wlan0 to eth0, and wlan1 to eth1?

I have the following simple situation: two internet connections via two distinct ethernet NICs, eth0 and eth1, and two APs (I use hostapd, of course) on two distinct wireless cards, wlan0 and wlan1. ...
1
vote
0answers
28 views

Query an office gateway/router to confirm all routes?

Is it possible to send a 'query' of some sort to a gateway device in an office to see what subnets I have access to? For example, I know that I have access to multiple subnets because we have many ...
0
votes
3answers
147 views

Route Internet from eth0 to openvpn to eth1

I need to route all traffic coming and going from/to eth0 through openVPN before I send/receive it to/from eth1, this is a virtual machine Debian, you can call it a virtual router. The idea is to put ...
1
vote
2answers
166 views

Add specific route via start-up script

I need to setup route for one of my computers. I want it permanently so I don't need to enter the command myself every reboots. However the route command I use ain't a normal one, because I use 2 ...
1
vote
1answer
97 views

Linux routing: connect to VPN but still make services (e.g. Apache) accessible via ISP-assigned ip

I have a pfSense firewall sitting directly behind my cable modem. On my lan, among other things, I have a linux (Mint 13) box running apache. I have a port forwarded from pfSense to my linux box and ...
0
votes
0answers
24 views

Two default routes with Dynamic IP

I have second connection to the Internet added with a Dynamic IP(VPN). following this guide: http://www.rjsystems.nl/en/2100-adv-routing.php I'm stuck at a point where I need to add: ip route add ...
0
votes
1answer
334 views

How to forward packets between two interfaces?

My laptop (use's Ubuntu 13.10) is connected to internet using a wired connection at eth0 with ip 192.168.42.13 and it also acts as a wifi hotspot at wlan0 with the ip 192.168.1.1 (i used airbase-ng to ...
0
votes
0answers
74 views

Unable to ping IP on linux

I have a Linux box which is connected to one machine (say boxer). eth0 of linux box is directly connected to boxer. I have vlan range 500-550. Below is ifconfig details of linux, all o/g and i/c ...
2
votes
1answer
142 views

Firewall is blocking internet traffic to OpenVPN clients

I have a virtual network setup with a Linux router/firewall connected to two private networks. An OpenVPN server in routing mode and a web server are in one of the networks. On the other are linux ...
2
votes
1answer
2k views

“Network is unreachable” when attempting to ping google, but internal addresses work

I can get to other PCs in my house on the 192 network, but trying to go outside gives me the "network is unreachable" message. p3p1 is up with a good IP Address. Running Fedora 16. What should I ...
0
votes
1answer
256 views

Can't ping through default gateway

I have the following configuration: Routing table on M3 is: Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 192.168.2.1 0.0.0.0 UG ...
0
votes
0answers
110 views

Combining routing and bridging in xen hypervisor

Typical way to combine routing and bridging in xen is described here. (DomU's sharing one virtual bridge device, which is routed to outside network ). I want to make it another way: some DomU's need ...
1
vote
1answer
997 views

How to allow FORWARDing with firewalld on a Fedora 19 router

I've just installed Fedora 19 and I'm using firewalld instead of iptables, but I'm having difficulty interpretting the new terminology. I have 2 NICs. One is specificed ZONE="internal" and the other ...
1
vote
1answer
131 views

Routing web access on port 8080 trough another gateway

I have this network configuration (see picture and details bellow): R1 and R2 are two routers linux with CentOS, each with 2 NICs (LAN and ISP). Now all web trafic goes trough R1 and a vpn trough R2 ...
1
vote
0answers
160 views

Understanding Linux routes in Proxmox

I have a server and decided to go ahead and practise with Proxmox. This is the network setup I have right now: Two interfaces: eth0 & eth1 (different NICs, both connected to internet) Two ...
3
votes
1answer
349 views

Seting up IPTables to forward multiple GoPro cameras

I have an interesting problem that involves multiple GoPro cameras. Basically, I need to have the ability to communicate with multiple GoPro cameras via a single network. The challenge is that the ...
1
vote
1answer
169 views

Route between two machines on the same network (but different IP ranges)

This is the network topology I'm working with: .______. | | |Modem | 10.0.0.1 |______| | | .______. | `----------------| | | |Box A | ...