On Fri, Dec 2, 2016 at 11:02 AM, Simon Lockhart <si...@slimey.org> wrote:
> On Fri Dec 02, 2016 at 10:29:56AM -0500, Christopher Morrow wrote: > > you'd think standard testing of traffic through the asic path somewhere > > between 'let's design an asic!' and 'here's your board ms customer!' > would > > have found this sort of thing, no? or does testing only use 1 mac address > > ever? > > Well, it's actually payload, rather than src/dst MAC used for forwarding, > so > there's quite a few more combinations to look for... > > 2^(8*9216) is quite a lot of different packets to test through the > forwarding > path... But, wait, that assumes every bit combination for 9216 byte > packets, > but the packet might be shorter than that... So multiply that by (9216-64). > > but most/all forwarding asics (aside from perhaps extreme's?) only deal with the first N bits in the header (128 or so..) so... not quite as many right? > Anyone want to work out how many years that'd take to test, even at 100G? > > Simon >