[CentOS] oops, or how to bring a datacenter router down with one setting

Fri Feb 10 19:49:05 UTC 2012
Les Mikesell <lesmikesell at gmail.com>

On Fri, Feb 10, 2012 at 9:25 AM, Bob Hoffman <bob at bobhoffman.com> wrote:

> Nothing at all to do with bonding. Not at all.
> eth1 to br0 , eth0 to br0....that's all.
> If that is possible, I see no reason for a bond at all.
> I just want to make sure if an NIC fails, the other one is still working
> while I am asleep and not a care in the world.

I suppose it is possible for a NIC to fail, but I can't recall actually
ever seeing it.  I've seen lots of complicated failover schemes introduce
new problems and their own failure modes though, including a bad cable that
kept flipping the primary/backup links at approximately the same rate that
spanning-tree would let them switch.

    Les Mikesell
       lesmikesell at gmail.com