Hi, On Thu, May 21, 2009 at 12:34:00PM +0300, Ibrahim Abo Zaid wrote: > If 2 upstream provider provides exactly same routes with same attributes so > BGP will select 2 routes to each destination then TCAM will reach its > maximum as installed BGP routes will be doubled but if some destination are > preferely reachable from one of them and 2nd route will be backup route , so > BGP routes won't be doubled but that depends on percentage
Unless you use BGP multipath, BGP will only install one route to the FIB,
ever. So while *BGP* will use twice the amount of memory, TCAM won't.
gert
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