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Old 12-30-2004, 08:20 AM   #1
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Registered: Dec 2004
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Using multiple IP addresses from client side

Hi everybody!

What I want to do is basically use multiple IP addresses and a single outgoing internet connection. I already setup more subinterfaces (i.e. eth0:1, eth0:2, eth0:3 and so on) on a single physical interface (eth0). My question: is how should I set the routs so that when a connection is initiated from my linux box, the kernel will round-robin go through all the subinterfaces, each time assigning a new source IP address for the outgoing packet.

If I'm not being very clear here, what I want to do:
1. I initiate, let's say, an FTP connection
2. The kernel routes the SYN packet through eth0:1
3 I initiate an HTTP connection
4. The kernel routes the second SYN packet through eth0:2
And so on and so forth.

I think a way to accomplish this is to setup a SNAT between two subinterfaces, specifind more than one --to-source parameters to iptables. But that's not to elegant...



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