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Re: [lvs-users] Multiple Interfaces, LVS-TUN

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Multiple Interfaces, LVS-TUN
From: John Du <jjohndu@xxxxxxxxx>
Date: Wed, 22 Apr 2009 17:00:49 -0700
Michael Nguyen wrote:
> Hey guys,
>
> So I've been trying to move over our servers to an LVS setup, but I've 
> come across a question.  Using the great docs, I've been able get things 
> working for one site, but what if I have the following:
>
> Load Balancer:
> (5) Public IPs
> (1) Private IP
>
> Real Servers (10 total):
> (5) Public IPs each (1) Private IP each
>
> Each real server runs the same five websites on the five public IPs.  So 
> for example, all 10 servers run www.sandycat.com on their first public 
> IP and all 10 servers run www.twentyten.org on their second public IP 
> etc.  Being that there's only one TUN interface, how would I balance all 
> of these web servers and sites using LVS?
>
> I hope that's clear.  If it's not, let me know and I'll describe in more 
> concrete terms.
>
>   
You can create aliases for the tunnel device just as you can create 
alias interfaces for an ethernet NIC.

For example, you can do:

ifconfig tunl0:0 192.168.1.1 netmask 255.255.255.255 broadcast 192.168.1.1
ifconfig tunl0:1 192.168.1.2 netmask 255.255.255.255 broadcast 192.168.1.2
.....

I have not done this myself but I think this should work for you.


John
> Michael
>
>
>
>
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>   


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