[j-nsp] bfd on LAG

[Richard A Steenbergen]

On Tue, Dec 02, 2008 at 11:11:28AM -0800, Marlon Duksa wrote:
> Does anyone know if Junos allows to configure BFD directly on LAG
> (aggregated links), so that each constituent LAG link (individual physical
> link within the LAG) runs a BFD session?Thanks,

BFD on a LAG is completely pointless. The BFD packets will only be
transmitted over a single member link (since BFD works at the IP layer,
and will be hashed onto one member), and you have no guarantee that the
return packets will come back over the same LAG member link.
 
-- 
Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
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