[CentOS] bond of bonds

Tue Nov 15 13:08:31 UTC 2011
Fred Wittekind <rom at twister.dyndns.org>

On 11/14/2011 3:15 PM, Paras pradhan wrote:
> Hi,
> I am trying to use Link-aggregation with redundancy between switches
> that doesnot support SMLT in switches.
> I have 4 network ports. First two are connected to a switch and
> LACP/LAG is enabled. Third and Fourth ports connect to another switch
> with another LAG group. I was thinking create two mode 4 bonds and
> bond those bonds to mode 1 (Active/Passive) bond.  But it seems this
> is not supported yet in kernel (?). How do you guys handle this kind
> of situation.  (And yes without using SMLT between switches).
> Thanks
> Paras.
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You can bridge two bonds together, and enable STP to prevent a loop. 
Although, don't get it wrong on a production network, it's not pretty.