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Re: primary and secondary ip addresses

To: Henrik Nordstrom <hno@xxxxxxxxxxxxxxx>
Subject: Re: primary and secondary ip addresses
From: Hasso Tepper <hasso@xxxxxxxxx>
Date: Fri, 17 Dec 2004 20:03:22 +0200
Cc: Andrea G Forte <andreaf@xxxxxxxxxxxxxxx>, Harald Welte <laforge@xxxxxxxxxxxx>, Neil Horman <nhorman@xxxxxxxxxx>, linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.61.0412171736210.17463@xxxxxxxxxxxxxxxxxxxxx>
Organization: Elion Enterprises Ltd.
References: <41912F7A.6000408@xxxxxxxxxx> <41C30212.6000906@xxxxxxxxxxxxxxx> <Pine.LNX.4.61.0412171736210.17463@xxxxxxxxxxxxxxxxxxxxx>
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Henrik Nordstrom wrote:
> On Fri, 17 Dec 2004, Andrea G Forte wrote:
> > This does not help, since if I want to use my secondary IP address
> > instead of my primary, I cannot delete the primary otherwise all of my
> > secondary IPs are lost as well (and since I can only have only one
> > primary IP address).
> Why change the primary address? What is wrong with simply changing the
> route to use the other source IP?

There is no support for it in most of user space software. None of the 
routing protocols suites support it etc.

Hasso Tepper
Elion Enterprises Ltd.
WAN administrator

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