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Date:      Mon, 3 Feb 2014 01:31:29 -0700
From:      Scott Long <scott4long@yahoo.com>
To:        Ben <mailinglists@niessen.ch>
Cc:        FreeBSD Net <freebsd-net@freebsd.org>
Subject:   Re: kern/185967: Link Aggregation LAGG: LACP not working in 10.0
Message-ID:  <1C608452-6F29-486D-BC0F-CCC7853665C7@yahoo.com>
In-Reply-To: <52EF50A7.1050205@niessen.ch>
References:  <52EF50A7.1050205@niessen.ch>

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Hi,

You’re probably running into the consequences of r253687.  Check to see the value of ‘sysctl net.link.lagg.0.lacp.lacp_strict_mode’.  If it’s ‘1’ then set it to 0.  My original intention was for this to default to 0, but apparently that didn’t happen.  However, the fact that strict mode doesn’t seem to work at all for you might hint that your switch either isn’t configured correctly for LACP, or doesn’t actually support LACP at all.  You might want to investigate that.

Scott

On Feb 3, 2014, at 1:17 AM, Ben <mailinglists@niessen.ch> wrote:

> Hi,
> 
> I upgraded from FreeBSD 9.2-RELEASE to 10.0-RELEASE. FreeBSD 9.2 was configured to use LACP with two igb devices.
> 
> Now it stopped working after the upgrade.
> 
> This is a screenshot of ifconfig -a after the upgrade to FreeBSD 10.0-RELEASE: http://tinypic.com/view.php?pic=28jvgpw&s=5#.Uu9PXT1dVPM
> 
> A PR is currently open: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/185967
> 
> It is set to low, but I would like somebody to have a look into it as it obviously has a great influence on our infrastructure. The only way to "solve" it is currently switching back to FreeBSD 9.2.
> 
> The suggested fix "use failover" seems not to work.
> 
> Thank you for your help.
> 
> Best regards
> Ben
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