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On Sep 19, 2016, at 3:29 PM, Matthew Beckwell <[log in to unmask]> wrote: > > This is certainly interesting....I'm not sure what's special about xe-0/0/14 vs ae5. > Some kind of buffer or queue difference? IIRC on the 4500, there is a PFE mapped to ports 0-19 and another PFE handling 20-39, with 200gbps between. AE5 appears to be built (from the website) out of xe-0/0/29,xe-0/0/38,xe-2/0/15. How that hashing played out for your test and which link it actually took, who knows. Either way, could be a 4500 only thing, or PFE cross traffic related. Seems like it might be a good idea to simplify that topology if possible (given the mixed mode behavior already). -- Andrew Hoyos [log in to unmask]