0
votes
0answers
63 views

Incoming http request routed to wrong ip address

I have the following configuration on an EC2 linux instance: eth0 Link encap:Ethernet HWaddr 12:31:3B:08:34:AA inet addr:10.x.x.x Bcast:10.x.x.x Mask:255.255.254.0 inet6 ...
0
votes
1answer
321 views

Routing issue with multiple IP addresses on EC2 (VPC) host

We run a EC2 Ubuntu server acting as a STUN server for the NAT Traversal mechanism in my company's application. By the nature of the STUN protocol the server needs two IP public addresses. We hired ...
1
vote
2answers
713 views

Routing to other subnets results in wrong ARP requests

I would like to manually set up routing to subnet 95.168.0.0/16 through IP which is an alias: 94.23.94.161. IP alias is set up like that: /sbin/ifconfig eth0:0 94.23.94.161 netmask 255.255.255.255 ...
0
votes
2answers
307 views

linux route 2nd internal network

In my network configuration, I have three switches: Internet (xx.xx.140.129/25) Internal SAN (10.1.1.0/24) iLo management (10.1.30.0/24) I have one Linux server which I use for management that ...
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 ...
6
votes
2answers
1k views

linux routing bug?

I have been struggling with this not easily reproducible issue since a while. I am using linux kernel v3.1.0, and sometimes routing to a few IP addresses does not work. What seems to happen is that ...
0
votes
1answer
479 views

Multiple gateway + load balancing in linux gateway

i have a problem with load balancing/Fail-overing with Linux gateway my network look-like this now, i want users in internal LAN (192.168.1.x), has connect with both line. is any solution excuse ...
0
votes
2answers
159 views

Linux, two fiber interfaces connected to each other - routing

I have a Linux box with two fiber interfaces connected to each other. Is there any way to set up routing in a way that would actually send the packets over the link? So far it looks like when two ...
8
votes
2answers
2k views

Redundant OpenVPN connections with advanced Linux routing over an unreliable network

I am currently living in a country that blocks many websites and has unreliable network connections to the outside world. I have two OpenVPN endpoints (say: vpn1 and vpn2) on Linux servers that I use ...
2
votes
1answer
364 views

Linux route cache shows high RTT for loopback - is it normal?

Here are parts of route cache from three different servers that are NOT under high load. # ip route show cache | grep -B 1 rtt local 127.0.0.1 from 127.0.0.1 dev lo cache <local> mtu ...
2
votes
1answer
11k views

Unable to set up a static host route - “SIOCADDRT: No such process”

At my office, there is a Windows Server 2008 router, 192.168.16.1, which is our default gateway. This sends data through our main internet connection. This works perfectly. 192.168.16.1 also has ...
2
votes
2answers
1k views

How do I delete a route from Linux routing table

This turns out to be harder than I thought. The routes I want to delete are the "!" rejected routes, but I can't seem to formulate the right "route del" command to pull it off. Here is the routing ...
3
votes
1answer
821 views

Setting up linux routing

The system I'm trying to set up has an IP address 172.31.2.1. Its default gateway is 172.31.254.1. This works fine, and I can reach anything the gateway allows me to go to (172.31.0.0/16 + ...
3
votes
5answers
8k views

Simple Quagga BGP router

We are attempting to setup a Gentoo Linux box to run a Quagga BGP router for our internet connection. We've tried many things, but everything we've tried results in Quagga reporting that there is no ...