Command line tool for manipulating and listing the routing table.

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How can I use iptables/route to route traffic from one local network device through its own gateway?

On my Linux server (Ubuntu), how can I configure traffic originating from one of my network interfaces (my VPN device - ppp0) to route through its own gateway address? Caveats: I can't set it up as ...
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1answer
1k views

ISA Server Route Add Question

I have a situation where I have and ISA 2006 server (on Win2k3) that has an internal and an externaly facing NIC's. All works fine but I need to add a couple of routes for the following reason: Our ...
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2answers
1k views

How do I setup a router to forward packets (to/from) a specific IP to a specific _hardware port_?

I would like to route all traffic to 192.168.1.10 to hardware port 1 on my router and all traffic to 192.168.1.11 to hardware port 2 on my router. The issue here is that I have a network attached ...
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1answer
1k views

Windows VPN with different subnet

I just configured a Windows VPN server, this service will have a large number of clients, probably more than the LAN itself, I am thinking of using a different subnet on the VPN IP Pool, but not ...
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3answers
5k views

OpenVPN Route traffic through Windows XP

I have installed an OpenVPN server + client, the server is windows xp and the client is slackware 12 linux. I set up the first tunnel, test it, ping the machines from each side and saw it's working. ...
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1answer
52 views

Routed traffic away from VPN has no internet (Fedora)

I'm very new to linux routing and such as a preface. I have a plex server set up on Fedora 22. I've recently started using a VPN service connected via OpenVPN. Everything works great via VPN on my ...
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1answer
22 views

Adding multiple static routes for the same host to different gateways

I have 2 openvpn clients connected to 2 different servers, on tun0 and tun1 devices. I need to add 2 static routes, for the same host IP, and map them to 2 different gateways and tun devices. I've ...
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1answer
478 views

RTNETLINK answers: File exists — OpenVPN errors

I have a bunch of servers that connect to the world through a "gateway" server that uses a NAT to redirect to the internet. I am trying to connect the gateway server to a VPN client through an ...
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0answers
58 views

Clone and then route SNMP traps to new destination

We have 2 SNMP trap servers 10.0.0.1 and 10.0.0.2 which are the SNMP trap servers for close to 500 devices that we monitor.In all these 500 devices,10.0.0.1 and 10.0.0.2 are configured as the trap ...
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0answers
37 views

How can I proxy requests to a specific IP to a different IP on OS X?

On OS X how can I setup a route so that when I make a request to 10.0.0.1 it is redirected to localhost? Right now I can do curl localhost:3000 and get back a blob of HTML from my running node web ...
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4answers
5k views

Allow traffic from ssl-vpn to enter ipsec tunnel on fortigate

we configured our FortiGate 50B to route traffic from our local net 192.168.10.* (which is our office) to a remote network 172.29.112.* using an ipsec tunnel. Everything works fine as long my computer ...
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0answers
492 views

Cisco RV042 can ping gateway only

I have Cisco RV042 which the problem is can ping gateway only. here my setup : LAN Setting Device, IP address : 172.31.13.254 Netmask : 255.255.255.248 Dual Wan Setting WAN 1 Static IP: IP ...
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0answers
62 views

How is the route scope parameter used?

I am confused about the route scope parameter in the output if /sbin/ip route. default via 10.32.10.1 dev wlan0 proto static 10.32.10.0/24 dev wlan0 proto kernel scope link src 10.32.10.154 ...
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0answers
811 views

XenServer IP Failover OVH not working

I have got problem on XenServer with IP FailOver in OVH. I did everything what is in this official tutorial http://help.ovh.co.uk/BridgeClient and IP not working. On my VM is Debian 7 64bit I set MAC ...
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0answers
2k views

Multicast route setup for multiple interface

Currently I have the below eth5 to receive multicast data for 239.1.1.31. It works. $ ifconfig eth5 Link encap:Ethernet HWaddr E4:11:5B:94:E1:F3 inet addr:10.185.2.2 ...
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1answer
522 views

openvpn (tun0 + bridge) : Comunication bridge --> tun0 works but not the opposite direction

My network is composed as follows: Host A with ip 9.x.x.x and vpn ip 192.15.206.x (openvpn client) Host B with ip 9.x.x.x and vpn ip 192.15.206.1 (openvpn server) this host has a bridge br0 with ip ...
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109 views

Routes with PPTP

I have a server A that is running OpenVPN server, and a server B connected to it. Then on B I have eth0, the physical interface, and tap0, created by OpenVPN. I want some ip to go with eth0 while ...
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78 views

WAN Woes Between Satellite Offices

Having a baffling time trying to troubleshoot an issue between 3 sites on a WAN set up via site-to-site VPN. The sites are: NY: 10.30.1.0 (HQ) OH: 10.30.6.0 CT: 10.30.7.0 When I first ...
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0answers
437 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 ...
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2answers
95 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 ...
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1answer
1k 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 ...
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1answer
434 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 ...
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1answer
536 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: ...
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2answers
175 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 ...
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1answer
107 views

Unexpected auto-route after adding a new /29-Net

I added a new Network to a Debian 6.0.1 x86_64 Linux 2.6.32-5-amd64 Server with this configuration in the interfaces: allow-hotplug eth2 iface eth2 inet static address 172.251.1.86 netmask ...
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0answers
783 views

Multicast Default Interface - upgrade to RH5.5

I have upgraded a server from RH4 -> RH5.5 and we have an interesting issue with multicast. we have multiple NICS on the server, we want the bond0 to default as the default interface. adding route ...
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3answers
232 views

Network Configuration

This is my situation: Router A: IP 192.168.1.1 Mask 192.168.1.0/24 - Connected to the internet. Server: - Interface eth0: inet addr:10.1.1.125 Mask:255.255.255.0 (connected to router B) - ...
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5answers
37k views

solaris 10 route add on specific interface

I have 2 interfaces on Solaris box # ifconfig -a lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 hme0: ...
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2answers
2k views

Linux as a gateway (no NAT)

I'm trying to configure a linux server as a gateway/router, but I can't get it to work, and all information I've managed to find is NAT-related. I have a public IP block for the gateway and devices ...
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6answers
4k views

Network routing issues on Linux

I was hoping someone out there would be able to look at this and let me know what I have missed. I have 4 machines and for some reason, only 1 of them can talk to the other 3 via their private IP ...
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4answers
475 views

Unable to change default route-Rhel 5.9

am trying to change default to route to eth2 my present rout -n o/p-- Destination Gateway Genmask Flags Metric Ref Use Iface 10.235.4.0 * 255.255.255.0 U ...
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2answers
573 views

Linux route command. Two gatways on the same subnet range

I have a Linux box with two interfaces. eth0 has ip 192.168.71.82/255.255.252.0 eth1 has ip 192.168.4.2/255.255.255.0 I need all traffic for subnets 192.168.4.0/24 192.168.3.0/24 192.168.2.0/24 to ...
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1answer
4k views

Add Persistent Static Route in Centos 5

What is the proper way to add a static route in Centos 5 that will persist rebooting? I tired adding an route-eth0 file in /etc/sysconfig/network-scripts that contains a route , but after ...
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3answers
4k views

RedHat - add static routing rule

I've got two subnets and a RedHat 5.3 with 2 NIC, each with an IP on a single subnet: eth1 172.16.0.4, 255.255.255.0 eth0 194.20.23.183, 255.255.255.0 On each subnet I've got a Gateway / Firewall ...
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1answer
3k views

Increasing the metric of default route in CentOS with DHCP

I am setting up a server (VM to be precise) that runs CentOS 6.4. I have an eth0 adapter on the CentOS machine that has connection to the Internet (through a bridged network on the host). The eth0 ...
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2answers
2k views

Multi Gateway and Backup Routing on a cisco router

I have a 2620 Cisco Router with only one Fastethernet port Now I have two internet gateways. I want to config my router as when primary routing fails second routing automatically start to route all my ...
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5answers
2k views

how to bridge networks 192.168.191.0/24 and 10.9.0.0/16?

I have two networks in a LAN: 10.9.0.0/16 and 192.168.191.0/24. They use the same Linux router, what do I need to add with route so that all computers see each other in the network? I'm using IPCop ...
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1answer
480 views

route everything except 123.123.* through vpn

I would like to route all requests to 123.123.* normally through eth0 and everything else through VPN (tap0). This should probably be done with iptables. Any ideas how? Thanks
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3answers
543 views

How can roaming user access same domain with varying IP address depending on location?

With my laptop, when accessing a given domain on the local network, I need to use a local IP address (192.168.x.x). When accessing the same domain from a remote location, I need to use the public IP ...
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2answers
27 views

Make some route info persistent on RHEL

I would like to make the following route info persistent. I know how to do it for the default, but how about this line: 10.27.74.0 * 255.255.255.0 U 0 0 0 eth0 ...
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2answers
108 views

Gateway can be pinged, but fail to add route with it

I want to use 10.1.16.189 as gateway to access 9.36.204.4 both on redhat 6.4. here is the network configuration of my machine: eth0 Link encap:Ethernet HWaddr 06:FB:C1:7B:19:FD ...
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2answers
105 views

Private Network Interface between to MacOSX servers

We would like to set up and private single cable connection between two Mavericks servers, that also need to talk to the rest-of-the-world. The two servers for sake of argument are DB and Web. There ...
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1answer
56 views

Why adding a route here is throwing up an error?

I have a linux Fedora -16 machine that has two interfaces - em1 Link encap:Ethernet HWaddr B8:CA:3A:89:EE:F1 inet addr:136.170.195.17 Bcast:136.170.195.255 Mask:255.255.252.0 ...
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1answer
83 views

Public IP not responding because routing table…?

Fixed with: /etc/iproute2/rt_tables 1 tble_eth0 /etc/sysconfig/network-scripts/route-eth0 104.000.64.0/18 dev eth0 src 104.000.65.38 table tble_eth0 default via 104.000.64.1 dev eth0 src ...
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1answer
102 views

Understanding aws ec2 default routes in [closed]

After launching a new EC2 instance on AWS, I get the following routes. The LAN subnet is 10.0.0.0/24. $ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags ...
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2answers
305 views

dynamic 'route add' command doesn't work but static is working

i am having a situation where route add is not working but if i add that as a static entry in sysconfig/network-scripts/route-eth0 its working Network details: IPADDR=198.x.x.1 ...
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1answer
4k views

.bat file to automatically connect to VPN and add a route in Windows 7

I can establish VPN connection using RASDIAL command. But how do I add a route to 192.168.254.0/24 automatically after VPN is connected? Each time after VPN connection is established, Windows could ...
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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 ...
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1answer
195 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 ...
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2answers
6k 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 ...