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Date:      Tue, 22 Apr 2008 07:44:43 +0200
From:      Ian FREISLICH <ianf@clue.co.za>
To:        Daniel Eischen <deischen@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: How to use /etc/rc.conf with ifconfig_lagg 
Message-ID:  <E1JoBJ5-000Gar-1K@clue.co.za>
In-Reply-To: Message from Daniel Eischen <deischen@freebsd.org> of "Mon, 21 Apr 2008 23:55:00 -0400." <Pine.GSO.4.64.0804212327170.23697@sea.ntplx.net> 

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Daniel Eischen wrote:
> I'm trying to get a lagg interface up via standard /etc/rc.conf
> settings, but it just doesn't seem to be working.  Here's the
> respective settings:
> 
>    ifconfig_sis0="up"
>    ifconfig_sis1="up"
>    ifconfig_sis2="up"
>    cloned_interfaces="lagg0"
>    ifconfig_lagg0="inet 192.168.3.97 netmask 0xffffff80 \
>       laggproto failover laggport sis2 laggport sis0 laggport sis1"
> 
> I've also tried:
> 
>    ifconfig_lagg0="laggproto failover laggport sis2 laggport sis0 \
>       laggport sis1 inet 192.168.3.97 netmask 0xffffff80"
> 
> and without 'inet' as lagg(4) suggests:
> 
>    ifconfig_lagg0="laggproto failover laggport sis2 laggport sis0 \
>       laggport sis1 192.168.3.97 netmask 0xffffff80"
> 
> but nothing seems to work.  The lagg0 interface gets created
> and configured with failover and with all the failover ports
> correctly added, but the IP address and netmask do not get
> set.  I have to manually set them after the system boots.
> Without manually setting them, I get:

I've found this too with other cloned interfaces, vlans for me.  I
use the following trick to work around the problem of not being
able to set the address and other configuration at the same time:

ifconfig_vlan1000="vlandev em2 vlan 1000"
ifconfig_vlan1000_alias0="inet 10.0.0.1/24"

So for your case, I'd do:

ifconfig_lagg0="laggproto failover laggport sis2 laggport sis0 \
	laggport sis1"
ifconfig_lagg0_alias0="inet 192.168.3.97 netmask 0xffffff80"

I'm not sure why it doesn't work the way you'd expect to.

Ian

--
Ian Freislich




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