[c-nsp] unknown unicast flooding - particularly regarding fhrp's

Gert Doering gert at greenie.muc.de
Mon Jan 21 14:18:18 EST 2013


Hi,

On Mon, Jan 21, 2013 at 10:56:13AM -0600, Aaron wrote:
> How does constant unknown unicast flooding affect networks?  Better yet, how
> to design in mitigation ?  is it all about lower arp timeouts below 300 secs
> so to artificially prop-up bridge tables and keep them fresh?  My goodness
> that's making arp very busy.

We've started running rwhod on unix servers.  One packet per minute, 
everything nice and fresh.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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