On Wed, Oct 18, 2000 at 03:55:41PM -0400, Johannes Erdfelt wrote: > On Wed, Oct 18, 2000, Andi Kleen <ak@suse.de> wrote: > > On Wed, Oct 18, 2000 at 03:35:46PM -0400, Christopher Friesen wrote: > > > Now what I'm trying to figure out is why anyone would want this value to > > > NOT be set to zero. When would you not want route flushes and route > > > changes to take immediate effect? > > > > Mostly to avoid total breakdown of a BGP4 router when routes are flapping. > > Isn't that what route dampening is for? The routing daemon would handle > this situation to avoid the total breakdown. The routing subsystem is designed to handle multiple routing daemons. A flush operation is relatively costly, so it is a good idea to do it in longer intervals no matter how the routes are changed (and using an user mode daemon for that would be overkill) -Andi - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
