[ale] failover planning

[Greg]

You might want to look at CARP in OpenBSD and recently ported to FreeBSD.  A
good link to it is here
http://www.countersiege.com/doc/pfsync-carp/#big

Greg

-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org]On Behalf Of Greg
Freemyer
Sent: Monday, November 29, 2004 7:57 PM
To: Atlanta Linux Enthusiasts
Subject: Re: [ale] failover planning


On Mon, 29 Nov 2004 19:49:43 -0500, Christopher Fowler
<cfowler at outpostsentinel.com> wrote:
> Speaking of failover is it possible to install 2 NICS in Linux and put
> them on the same subnet.  I.E. eth0 = 192.168.1.4 and eth1 = 192.168.1.5
> then place those NICS under load balancing.  In this case both will have
> the same DNS and same gateway.  All load balancing setups I've seen load
> balance between multiple Internet connections.
>
>
I don't know the details, but there is a "NIC bonding" howto for linux
that explains what can be done.

I think you end up sharing a single IP address between the 2 NICS.  It
may require that your switch understand bonding.

With SUSE, I believe they ship that howto as part of the distro.

Greg
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