On Wed, Dec 4, 2013 at 3:58 PM, Brian Dickson <brian.peter.dick...@gmail.com> wrote: > > > > On Wed, Dec 4, 2013 at 3:48 PM, Christopher Morrow <morrowc.li...@gmail.com> > wrote: >> >> On Wed, Dec 4, 2013 at 3:43 PM, Brian Dickson >> <brian.peter.dick...@gmail.com> wrote: >> > Except that we have a hard limit of 1M total, which after a few 100K >> > from >> >> where does the 1M come from? > > > FIB table sizes, usually dictated by TCAM size. Think deployed hardware, > lots of it. > (Most instances of TCAM share it for IPv4 + IPv6, with each slot on IPv6 > taking two slots of TCAM, IIRC. And a few other things also consume TCAM, > maybe not as significantly.) > > (Newer boxes may handle more on some network's cores, but I don't believe it > is ubiquitously the case across the DFZ.) >
ok, that's fair... but in ~5yrs time we'll work ourslves out of the 1M mark, right? to 5M or 10M? (or something more than 1M)