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1
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4answers
410 views

Is there a tool like 'route' in Linux to configure the forwarding entry (dst mac address --> interface)

I have a problem in configuring the forwarding table in Linux. We call IP tables for routing table in layer 3, MAC tables for forwarding table in layer 2. Now I want to add an entry in forwarding ...
3
votes
3answers
507 views

Force transmission of TCP/IP data from one NIC to another on same PC

We are preparing a product for EMC testing. The product runs Windows Embedded Standard 2009 (compare it with Windows XP) and has 2 NICs, say NIC1 and NIC2. For the emission test, we need to send data ...
2
votes
1answer
883 views

IP Bridge for KVM with multiple subnets

I have a machine set up running KVM and a bridge on eth0 with the ip address for the machine. The machine has an IP address in a range with no more ip adresses free. I am trying to make a second ...
0
votes
1answer
86 views

Routing via Linux

I have an individual network with a single machine having IP Address 10.10.10.4. Another machine (Gateway Machine) has two NICs: eth0 and eth1. eth1 (10.10.10.10) is connected to the internal network ...
0
votes
1answer
49 views

Does the following route change include undesired machine?

I want to utilize both the wired lan from the company and the wireless from my phone( achieved by PdaNet ). I need to seperate the connections in the route table because the wireless connection have ...
0
votes
0answers
1k views

ddwrt - multiple wlan each on own vlan - confused

I have a WRT610n running DDWRT v24-sp2. My goal is to setup: Single connection from switch to WRT610n, and switch passes tagged VLAN 50/40 and 1 (untagged) On WRT610n the 3 LAN ports (eth1/2/3) and ...
1
vote
1answer
283 views

Sonicwall firewalls and redundancy of route based vpns

I am attempting to configure a route based vpn on a Sonicwall TZ device. The datacenter has two public IPs on different subnets (A and B). The remote office has 1 public ip (C). When I configure ...
0
votes
1answer
31 views

How to serve clients when provider's channel is down?

GPRS-devices can connect to server only by ip. They are permanently connected to the server. How to prevent Denial of Service, when internet-provider's channel is down? Is there any standart ...
0
votes
1answer
181 views

Route-map changing from permit to deny retains the match tag values

I have a route-map configured on my cisco router with name say s1 and sequence number 10(default) which contains a match tag 10. If i again try to configure the same route-map name with same sequence ...
0
votes
1answer
929 views

route traffic to different interface, from port

I got three gateways: 192.168.10.1 on eth0 (default), 192.168.100.1 on eth0:0 192.168.101.1 on eth0:1 I'm trying to make my computer decide on which to use, from the request port. (request comes ...
1
vote
2answers
632 views

Ubuntu server acting as a two interface router

I'm trying to set up a squid proxy server using Ubuntu server 12.04 I'm very new to Ubuntu but I have managed to get some simple things done. I bought a second PCI interface and have managed to ...
0
votes
1answer
143 views

Route local traffic to ip1:port to extern ip2:port

I have a service setup that redirects after a succesfull login (Couchbase), but the IP it transfers to is an local one, where the client that is connecting to cannot reach. How can I setup iptables ...
0
votes
2answers
2k views

How to route UDP traffic from one public IP (linux) to another public IP(Windows)

I want to prevent direct access of my Windows Machine and want to expose some programs running on it via my Linux Machine (which again is accessible by a Public IP). Is there a way where-in I can ...
4
votes
4answers
4k views

How can I force all internet traffic over a PPTP VPN but still allow local lan access?

I have a server running Linux Mint 12 that I want to keep connected to a PPTP VPN all the time. The VPN server is pretty reliable, but it drops on occasion so I just want to make it so all internet ...
2
votes
2answers
479 views

Iptables string

I have an iptables rule like this: iptables -t nat -I PREROUTING -p tcp --dport 80 -s 192.168.1.2 -j DNAT --to-destination 192.168.1.1:80 it works perfectly.. but I want to redirect only for one ...
0
votes
1answer
549 views

Windows route add error

Windows Server 2003 Standard Edition C:\Documents and Settings\Administrator>route print IPv4 Route Table Interface List 0x1 ........................... MS TCP Loopback interface 0x10003 ...00 14 ...
1
vote
2answers
307 views

Can't route specific subnet thru VPN in ubuntu

I'm having issues routing traffic thru VPN. Here's my setup I have 3 hosts, let's call them A, B and Z B and Z have a VPN connection in the 10.10.10.x SUBNET A and B have a direct connection in the ...
0
votes
2answers
329 views

connecting to a network using route command

I have a computer with an external IP(192.168.223.220) and also an internal address (10.1.1.20) in order to connect to some servers that don't have external addresses only 10.1.1.xx . in order to ...
3
votes
2answers
225 views

Is it just me or is my node down?

I find the www.doj.me very useful. I am looking for something like that but specifically for BGP Nodes. I want to write a script that tells the users if our Internet backbone is down, if if yes which ...
4
votes
1answer
527 views

Listing the routing table takes long time to complete

When I print routes defined on my computer using route, it takes about 5 to 20 seconds to complete. Why does it take so much time? With VPN enabled: $ time sudo route Kernel IP routing table (...) ...
0
votes
0answers
859 views

Can't ping Ip over bridge

I'm unable to ping another host over a bridge I created, I can't see the error -.- It's a remote machine running debian stable with some backports for which I want to set up DHCP on the new Subnet ...
0
votes
2answers
56 views

4 nodes to the internet, everything works except 3rd node

I have 4 nodes to the internet: Internet <--> Node A <--> Node B <--> Node C <--> Node D Node A: main gateway, manage internet Node B: gateway/tunnel to node C Node C: ...
7
votes
3answers
26k views

Why ip route add doesn't work, but ip route add with less details and then change works?

I have a problem with ip route add. Surprisingly, I can add the route then change it, but I cannot directly add it: # ip route add 192.168.0.0/16 via 192.168.255.254 src 192.168.1.101 RTNETLINK ...
2
votes
2answers
5k views

Connecting two subnets using an Ubuntu 10.04 LTS as a router

This has been bothering me for a couple of days, I have two subnets: 192.168.1.0/24 : This is the subnet used by my ISP/router. The gateway to the WAN is 192.168.1.1 192.168.2.0/24 : This is a ...
1
vote
0answers
313 views

Route VPN gateway traffic via tun0

On my Linux box, I got a tun0 dev by ipip like: tun0 Link encap:IPIP Tunnel HWaddr inet addr:10.10.10.2 P-t-P:10.10.10.1 Mask:255.255.255.255 and I running a ipsec vpn ...
1
vote
2answers
91 views

LAN to LAN VPN connectivity issues

I have a route-based VPN with limited functionality. My computers on site-A can ping one workstation on site-B, it happens to be the only workstation that is not part of the domain that has been ...
1
vote
1answer
366 views

BSD route(8) MAN page bug

http://www.freebsd.org/cgi/man.cgi?query=route Route is a utility used to manually manipulate the network routing tables. It normally is not needed, as a system routing table management ...
2
votes
1answer
339 views

Windows 7 routing traffic through the gateway for local addresses

Windows is adding a route for a local address (10.0.0.90 - my fileserver) with a gateway of (10.0.0.138 - this is my gateway), the gateway only has a 100Mbs link so all of my fileserver bound traffic ...
1
vote
1answer
326 views

How do I setup a routing rules to allow https traffic

This is about a clearOS installation. eth0 = external interface (dhcp Internet) eth1 = internal lan, static 192.168.0.10 eth2 = dmz The problem is, after initial installation, I was able to ...
0
votes
1answer
664 views

Windows 7 + IPSec: Force all remote traffic through VPN

I have set up a VPN connection to an remote L2TP/IPSec VPN server, which works fine. Now i like to ensure that all remote traffic is being routed through this VPN, so if the VPN connection drops, no ...
0
votes
1answer
1k views

Why is a ping response being sent to the wrong gateway?

In a previous question, I was trying to determine why my OpenVPN clients could not ping the server LAN, even though the server LAN could ping the clients. Having investigated this further, I ...
2
votes
1answer
1k views

Under what circumstances will Linux ignore the route table when choosing the MAC address for an outbound frame?

While debugging a problem with the networking configuration for a set of virtual machines running under KVM, I discovered a circumstance where the kernel in the guest VM has decided to stamp the ...
0
votes
1answer
915 views

using a gre tunnel as default route

I have two private networks (A, B) that connects via another company's private network (C). Network A has internet access. I want to make a tunnel between B and A that goes through C. Then network B ...
1
vote
2answers
4k views

What does this linux command mean “route add -net 224.0.0.0 netmask 240.0.0.0 eth0”

Could somebody explain what exactly this command means in relation to transmitting and receiving multicast traffic route add -net 224.0.0.0 netmask 240.0.0.0 eth0
1
vote
1answer
493 views

iptables and virtual machines of KVM, no ping, no ssh from VMs

Hi everyone :) I have two virtual machines KVM. I did two alias to eth0 - eth0:0 and eth0:1 and put them on an external IPs (eth0:0 - 89.114.122.3, eth0:1 - 89.114.122.4)​​. Now the problem is: ...
0
votes
1answer
733 views

iptables and virtual machines of KVM, external ip

Hi everyone :) In general, I'm still struggling with the virtual machine KVM. I did two alias to eth0 - eth0:0 and eth0:1 and put them on an external IPs (eth0:0 - 89.114.122.3, eth0:1 - ...
1
vote
2answers
190 views

removing static route from linux doesn't disconnect session

I want to test "connection retry" with remote application server. For this, I am using route method, wherein I remove static route from my linux server and check if the connectivity goes down or not. ...
2
votes
1answer
86 views

How can I get the remote machine with Windows Server 2008 after “route /f” executed on it?

Here is the thing, I had made a stupid mistake yesterday. I run "route /f" on a remote machine with Windows Server 2008, and this command cleared the routing tables, including the default route, which ...
0
votes
1answer
2k views

Static route issue on Windows Server 2008 R2

There's a virtual machine with Windows Server 2008 R2 installed. There are two NICs connected to it: PROD & BUP. The BUP interface is configured without default gateway. After adding static route ...
1
vote
2answers
797 views

port redirection through a VPN

I would like redirect my tcp traffic to IRC throught a VPN. I mark the packets with iptables and create a new route for this packets: echo 1 > /proc/sys/net/ipv4/ip_forward echo 0 > ...
0
votes
0answers
591 views

How can I route traffic through local server with VPN connection to remote network

I have a Sonicwall NSA 220 on my work network (10.0.2.x). I have a tomato 1.28 router (192.168.1.x) on my local home network. Behind that router I have a windows 2003 server (VPN: 10.0.2.195, LAN: ...
0
votes
0answers
366 views

Bidirectional NAT using iptables

I want an Ubuntu server machine to act as a bidirectional NAT. It has 2 NICs, each connected to a different network. I want it to forward connections received on eth1 at certain ports to certain ...
5
votes
1answer
382 views

CCNA Case Study - Static Routes

I'm currently doing the CCNA (Cisco Certified Network Associate) course at school and am a bit stuck on my case study, so I was wondering if anyone could help. I have the following topology: I ...
1
vote
2answers
1k views

How to remove route with IP?

Used to ban some flood-bots with route add -host $ip reject But couple of 'good' IPs were banned as well. My question is stupid (but I've searched and found no good solution (all were large and/or ...
1
vote
1answer
2k views

load balancing multiple gateway using route and iptables

under linux, how do I load balancing multiple gateway by using route, note that I have one input interface lets say eth0, and one output interface lets say eth1. eth1 can connect to multiple IP ...
1
vote
2answers
339 views

How do you find current internet network interface?

How do I find the network interface that's connected to the Internet? This machine could typically be connected via {eth0,eth1,usb0,wlan0}. The best I could think of is: sudo route | grep default | ...
0
votes
1answer
83 views

Internet Backup if DSL & Cable Fail [closed]

We have a T1, a DSL Line and a cable modem in each building to assure that we can connect to the internet in case one fails. However during the latest power outage we also lost all of them and were ...
1
vote
1answer
411 views

Why specific rouing rule is added after VPN connection is setup on Linux?

After VPN connection is setup the following routing rule is added by default: vpn_server_ip previous_default_gateway This rule appears useless for me. Why it is added? Note: VPN connection is ...
1
vote
1answer
884 views

Linux Route All Internet Traffic through secondary interface

Given the following output from ifconfig, I would like all outgoing traffic to come from bond1:1 instead of the default bond1 interface, how would I go about accomplishing this? bond1 Link ...
1
vote
2answers
163 views

Network configuration

please see the network map from http://i.stack.imgur.com/HqT7h.jpg I want to connect to network3 from network1 but i want to connect by network2! I have a PC which has Ubuntu 11.04 and it can ...