The routing tag has no wiki summary.
2
votes
0answers
36 views
SNAT problem in iptables
I am trying to reroute traffic from specific devices in my house over openvpn. For this, I've created an OpenVPN tunnel between my house wifi router and my server.
Here is my setup:
Wifi router's ...
0
votes
0answers
18 views
Best Practice for Consumer Privacy Blanket [closed]
I'm looking for a way to set up a "secure mode" for my operating system, which would allow me to use at least one third of my 32 MB/s download speed and 12 MB/s upload speed without needing to set up ...
2
votes
0answers
36 views
Adding multiple gateways for separate physical interfaces with various metrics/priorities
My system has 3 interfaces. These are eth0, eth1 and usb0.
eth0 is linked to my router and is the line I want to be used by default.
eth1 is un used.
usb0 is a 3G phone that's tethered.
My issue is ...
2
votes
0answers
23 views
Route a particular process over another gateway [duplicate]
I have 2 internet connections on differnet interfaces. I have eth0 which is internal ip of 192.168.1.70 and then I have another network connection to a different network which is on wlan0 ...
2
votes
2answers
82 views
What does my router need to act as a name server for my home network?
I am happily using an old PC as a router. Two network cards, Debian wheezy, NAT, ... everything just fine. My home network uses static IPs, which I am also happy with.
However, every box on my home ...
6
votes
1answer
80 views
Linux as router with multiple internet providers
Linux as router: I have 3 Internet providers, each with its own modem.
Provider1, which is gateway address 192.168.1.1
Connected to linux router eth1/192.168.1.2
Provider2, gateway address ...
2
votes
4answers
77 views
How can I change the default gateway?
Currently I'm running a FreeBSD 9.1 and the default gateway is already configured in the rc.conf.
rc.conf:
defaultrouter = "10.0.0.1"
But now I want to change the default gateway without rebooting ...
1
vote
1answer
58 views
iptables: what the difference between filter and mangle
I am using iptables to to mark the package and want to route based on the marks.
First I added the ip rule:
sudo ip rule add fwmark 1 prohibit
(The "prohibit" is just for test, I will change it ...
3
votes
1answer
202 views
Can't ssh to beaglebone?
After I did:
route add default gw 192.168.7.1
I also changed /etc/resolv.conf:
nameserver 192.168.7.1
in order to share internet between Ubuntu in VMware. I've got internet working but after a ...
1
vote
1answer
49 views
What does the route Dest: 123.123.123.123, GW: 0.0.0.0 mean?
I have a route table:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
123.123.123.123 0.0.0.0 255.255.255.255 UH 0 0 0 ...
1
vote
1answer
194 views
Copy/Mirror traffic to WAN interfaces without “iptables tee” support
I want to copy every outgoing packet to other WAN interfaces but my iptables (v1.2.7) doesn't have TEE target support. I wonder if there is another way (maybe using iproute2 or ebtables) to copy every ...
4
votes
2answers
79 views
Is it possible to set-up a VPN in such a way that I disconnect from the Internet if it goes down?
How can I set-up a VPN so I loose connection to the Internet if it goes down? I use Ubuntu and have used the network-dialog to use a VPN; but if the VPN goes down, it just switches to the non-VPN ...
3
votes
1answer
50 views
What are the requierements to sniff UDP packets in a Wireless Ad-Hoc network?
In a wireless Ad-Hoc network,
I have two computers which communicates in UDP together from 192.168.1.3 to 192.168.1.5
I have a third computer (192.168.1.6) which wants to listen to the packets which ...
2
votes
1answer
127 views
Route only ssh traffic through VPN
Is it possible to route a computer's SSH service through a VPN connection but allow ALL other data to exit through the WAN address? What sort of iptables magic needs to be done to accomplish this?
...
1
vote
1answer
326 views
TP-Link TL-WR1043ND as dumb access point
I followed these instructions on how to set up my TP-Link TL-WR1043ND as a dumb AP:
Flashed brand new Attitude Adjustment 12.09-rc1
Logged into LuCI, set up a password
Disabled and stopped firewall ...
2
votes
1answer
91 views
Http proxy to select external interface based on host header
I have a very specific use-case at work where I have several external IP addresses (a full class C), and I need to select the outbound IP address I'm using. The requests are http, and the application ...
1
vote
0answers
57 views
ssh will sporadically hang temporarily on fast connection
I am using Ubuntu 13.04 on my laptop, connected to my router at home. When working from home, I will ssh into the servers on campus, through a vpn, with X11 forwarding.
ssh -X ...
1
vote
1answer
75 views
Routing 4 Networks
I've been trying for almost a week to make it work but without success. I'm starting to feel hopeless.
I have 4 Ethernet adapters :
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state ...
1
vote
2answers
66 views
Using a specifing gateway for a packet. (CentOS/RHEL)
I have just setup a machine which has two NICs, one for private network and the other one for public network which has a real IP assigned to it.
DEVICE=eth0
HWADDR=XXX
TYPE=Ethernet
UUID=XXX
...
1
vote
1answer
151 views
How do I route different users over different OpenVPN tunnels in Linux?
The setup:
I have multiple, static-key OpenVPN client/server configurations, labeled "client1", "client2", and "client3" with server/client IPs 10.10.1.1/10.10.1.2, 10.10.2.1/10.10.2.2, and ...
2
votes
3answers
90 views
Detect which interface traffic to an IP address goes through
I'm making an script, and I need to detect in what interface is the traffic of an IP going through. This is because in the arch, an IP address is attended only for one of four NIC's, but can be any of ...
0
votes
0answers
24 views
Channeling audio
I am trying to get an audio setup that looks like:
INPUTS:
1 stream from mpg123 (CLI MP3 player)
1 Microphone Input
OUTPUT:
1 stream going to Jitsi (Jabber w/ voice) to be broadcast.
1 connection to ...
1
vote
1answer
71 views
How can I configure dnsmasq to resolve based on the source of the request?
I'm trying to get SiriProxy to work whenever I'm connected to my home network by setting up dnsmasq on my router running the Tomato firmware to send all requests to the Apple Siri server to my local ...
1
vote
0answers
90 views
Network in LXC not forwading through a bridge
I've got an LXC container, on the host I've got a bridge between the LXC container and eth0.
The LXC container can ping it's Host 10.1.0.5, but can't ping the gateway of 10.1.0.2. The host is able to ...
3
votes
2answers
212 views
Use eth interface to connect to a router and wlan for the internet
I am currently trying to configure a router to which I connect to (to its web interface) using an Ethernet cable through the eth0 interface. That router doesn't have access to the internet.
Now, I ...
4
votes
2answers
416 views
Routing for multiple uplinks/providers
I have a PC with two internet connections. The first one is an Ethernet interface to connect to my local network and access internet via my router. The second one use a GSM modem to connect with ppp.
...
2
votes
1answer
89 views
Solaris 11: How to use ILB to create HA loadbalancer across two backend servers?
I'm attempting to use Solaris 11's ILB to create a loadbalancer across two backend DNS servers. Here's my requirements:
Two external IPs: .XXX.YYY, .XXX.ZZZ - these are the DNS IP's that our clients ...
1
vote
0answers
65 views
Network not working after fiddling with webmin
Can some please help me restore my networking? I have a VPS CentOS 6.3. Few minutes ago it was working well, Except I couldn't connect to the Yum repository. So I thought I could change some settings ...
3
votes
1answer
134 views
Alternative to mrouted for DVMRP on Debian Squeeze
I need to implement DVMRP protocol to route multicast over Openvpn (tun) connection for some old 3Com NBX phones.
I use Debian squeeze so mrouted is not available (obsolete).
What can I use ...
2
votes
1answer
138 views
How do I route traffic through specific interface for a specific process
I have a script that runs from cron every 15 minutes. The script is meant to ping my DNS server to update a dynamically changing IP. I want this script to ping through the wlan interface and not the ...
0
votes
2answers
250 views
Is /etc/resolv.conf needed when using a static IP address?
I am trying to configure the IP address of my embedded device. The device should have a static IP address and I attempt to set this using the /etc/network/interfaces file with
iface eth0 inet static
...
1
vote
2answers
112 views
2 ip ranges / 1 nic OR why does one ip range follow default route before local routes
Updated at the bottom
I'm using Centos as a router, and just replaced the routing system at work. I've got 2 routers to send data around. For the most part it's working. On one router I have 2 ...
2
votes
1answer
126 views
Linux nat/iptables configuration for a chain of peer-to-peer links
I have an experimental setup, of 4 Linux (CentOS) machines:
All 4 machines are internally connected using different networks and can ping eachother directly connected interfaces. However only PC4 ...
2
votes
1answer
127 views
Routing using second interface
I've got a machine I control running Ubuntu 12.10. I'm on a network that will only allow me to have one device connected. I've also got a USB ethernet adapter. I'd like to create a private network ...
1
vote
1answer
586 views
Only routing certain traffic through VPN
I have a central development server, running a VPN server, and a couple clients that need to connect to it. The server is running Apache, but is only accepting local requests (only listening on ...
2
votes
1answer
95 views
Make a linux network device a router
I am developing an IPv6 network device driver. It should behaviors like a router, i.e. send router advertisement regularly. But now my device is working like a node, send router solicitation. What ...
1
vote
2answers
181 views
Use a specific interface for a specific destination subnet (source IP setting)
I am looking for some sort of routing trickery to set a specific source IP:
Local machine has two IPs;
Eth1: 192.168.0.1
Eth1:2 192.168.0.2
Default gateway is 192.168.0.254 via Eth1
Remote subnet ...
1
vote
0answers
806 views
Debian, two network cards - “no route to host” on eth1
I have added a secound nic in a debian box. That nic is ment for doing some test stuff, so those devices connected should just be able to access the debian box or be accessed from it.
To set up the ...
1
vote
1answer
791 views
Redirect Packets from ppp0 interface to ethernet interface in linux
My question is similar to this question, however with some change.
I have a PPPoE connection on my Linux Machine (CentOS kernal 2.6.32) as a client, so that when I setup this connection, another ...
5
votes
3answers
662 views
How can I disable automatic IPv6 neighbor route advertisement on a router?
I work for an ISP that's in the process of making its infrastructure IPv6-ready. Our core routers already have a working setup, but a large portion of our fiber customers are behind a router running ...
5
votes
1answer
631 views
Change linux remote host *primary* IP address without losing control
I was wondering about how one could change a remote host primary IP address without getting disconnected at all (without being in a "no IP addr" state).
The matter is poorly discussed on Internet ...
4
votes
2answers
256 views
Why can I reach a different interface's IP address?
I'm wondering about this, and I can't seem to find an explanation on the internet.
I have a linux gateway which has multiple interfaces:
eth0: external ip
eth1: 172.16.1.1/24
eth2: 172.16.2.1/24
...
3
votes
1answer
455 views
Share Internet Connection from computer to new router
On my linux computer I have an external wlan adapter which is connected wirelessly to internet (an access point).
Now I want to connect my linux computer via ethernet cable to a new ddwrt router. This ...
2
votes
1answer
171 views
PPTP server with NIC aliases
I have set up a VPN on a VPS Server using PPTP. I have one NIC with two aliases.
eth0
eth0:1
eth0:2
The 3 interfaces have public addresses. eth0 is a French IP, eth0:1 is UK, and eth0:2 is ...
2
votes
4answers
5k views
How to remove all default gateways
I'm commanding a customarily built linux machine so not all linux commands are available. I execute network related commands so I need to set a default gateway right before I run my command, then ...
9
votes
2answers
7k views
iptables --set-mark - Route diferent ports through different interfaces
Short story,
3 interfaces, eth0 (LAN), eth1(ADSL), eth2(4G).
eth0 -> eth1: Works
(ports 80, 443, 4070) eth0 -> eth2: Doesn't happen
This is a graphical representation of the idea:
Port 80 & ...
1
vote
4answers
764 views
Make nslookup use specific interface
On my computer I have two network cards. Both are using different Internet Providers service.
Both Internet service provider have different DNS server and their IP address are known to me.
I want to ...
2
votes
1answer
650 views
Static IP address shifting to 192.168.1.251
I have a system with a static IP address of 192.168.1.150. I configured /etc/network/interfaces manually (i.e. without using NetworkManager.) It is a web server hosting three sites. I am having ...
3
votes
1answer
124 views
Looking for elegant iproute2 solution for host w/ 2 interfaces on 2 networks and 3 gateways
I've got a Linux webserver with 192.168.0.2/24 assigned to eth0 and 172.16.0.2/24 assigned to eth1. I must not change this. Here's the routing so far:
172.16.0.0/24 dev eth1 proto kernel scope link ...
3
votes
2answers
330 views
Network interface preference
How does Linux determine which network interface to use, when both are connected to the same network?
Note that this isn't a question on routing. I'm familiar with how that works. This is if, say, I ...
