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Cc: freebsd-net@freebsd.org, mike@sentex.net
Subject: Re: Problem with igb(4) updated to version 2.0.7
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Jack Vogel <jfvogel@gmail.com> wrote:

> There are pros and cons either way you do things. I was talking
> to some of our Linux crew, they recently changed things so it
> would shut down the phy, but that doesn't always make everyone
> happy either.

In particular, depending on the type of switch and how it is
configured, it may take 30 seconds or so after link is restored for
the switch to do spanning-tree validation before it will start to
pass traffic.

There may be something to be said for making the driver's behavior
configurable.