Subject: carp(4) & vlan(4) (was Re: Transitioning to 802.11q VLANs on a network using a NetBSD box with multiple physical interfaces)
To: None <tech-net@NetBSD.org>
From: Charlie Allom <charlie@rubberduck.com>
List: tech-net
Date: 06/09/2007 14:06:33 
On Sat, Jun 09, 2007 at 01:56:37AM -0500, David Young wrote:
> 
> ifconfig vlan4 create
> ifconfig vlan5 create
> ifconfig bridge0 create
> 
> ifconfig vlan4 vlan 4 vlanif fxp1
> ifconfig vlan5 vlan 4 vlanif fxp2
> 
> ifconfig vlan4 inet 192.168.4.1 netmask 0xffffff00
> 

just to keep the vlan thread going,but skew it in my direction, now
that i see some experts :)

how should I configure carp interfaces that belong on vlans? ie. where
should i add the inet address?

% ifconfig wm3 up
% ifconfig wm3 x.x.x.x netmask 0xffffffe0
% ifconfig carp2 create
% ifconfig carp2 vhid 201 carpdev wm3 x.x.x.y netmask 0xffffffe0
% ifconfig vlan200 create
% ifconfig vlan200 vlan 200 vlanif carp200
% ifconfig vlan200 inet x.x.x.z netmask 0xffffffe0

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?

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