Hmmm... Got it ! I think I need some cisco books... =] Well, gonna try openflow rules then...
Thanks for explanations ! Best regards, On Thu, Sep 2, 2010 at 8:30 PM, Ben Pfaff <b...@nicira.com> wrote: > On Thu, Sep 02, 2010 at 04:24:58PM -0700, Martin Casado wrote: > > I think you have a basic misunderstanding of L2 learning. A > > typical switch pipeline operates as follows (ignoring bcast/mcast): > > > > - packet enters switch > > - lookup destination MAC in L2 table > > - if match, send it out of port associated with MAC table > > - If unknown, flood the packet (along the associated broadcast tree) > > and learn its MAC (associate with the ingress port) > > > > This is done for all packets, not just broadcast. > > ...except that broadcast packets skip the "lookup destination MAC" step > and always get flooded. > -- []'s Luiz Henrique Ozaki
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