Linux (Ubuntu 12.04) two gateways one nic

Posted by David on Server Fault See other posts from Server Fault or by David
Published on 2012-06-21T02:18:17Z Indexed on 2012/06/21 3:18 UTC
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Filed under:

linux

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ubuntu

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networking

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linux-networking

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gateway

I have Ubuntu 12.04 Server edition

Two gateways, both on 192.168.0. network, let's make them 192.168.0.1 and 192.168.0.2

I've read you should be able to add second gateway into /etc/network/interfaces, that it will build out all the routing automatically, but I get "duplicate option" error.

So if I have one default gateway, let's say 0.1, and a connection comes through from the 0.2 gateway, my understanding is that it still tries to respond through 0.1 gateway.

Can we change this behavior?

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