Subject: Re: carp(4) & vlan(4) (was Re: Transitioning to 802.11q VLANs on a network using a NetBSD box with multiple physical interfaces)
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Charlie Allom <charlie@rubberduck.com>
List: tech-net
Date: 06/09/2007 15:48:23
On Sat, Jun 09, 2007 at 04:38:46PM +0200, Manuel Bouyer wrote:
> 
> I'm not sure you can put vlans on carps - carps are not normal ethernet
> interfaces.
> But you can have carp on vlan; this is what I use and it works

ok, cheers. i'll go ahead and set this up.


> 
> > 
> > so far - wasting x.x.x.x on wm3, x.x.x.y on carp2, and y.y.y.* on the
> > n+1 failover carp hosts...
> > 
> > am i wrong? Can I leave the carpN IPs out?
> 
> No, because it's the IP which is used in real. But you can use a private IP 
> for the underlying ethernet interfaces and vlans (this is also what I do
> to not waste public IP addresses)

oh - great idea! Thanks Manuel.

-- 
 hail eris
 http://rubberduck.com/