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In-Reply-To: <m2ljlelry8.wl%randy@psg.com> Date: Sat, 12 Sep 2009 06:05:27 +0530 From: Glen Kent <glen.kent@gmail.com> To: Randy Bush <randy@psg.com> Cc: nanog@nanog.org Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org I seem to get the impression that isis is preferred in the core. Any reasons why folks dont prefer to go with ospf? Glen On Thu, Aug 20, 2009 at 3:36 PM, Randy Bush <randy@psg.com> wrote: >> Unless you want your customers to have very substantial control over >> your internal network, don't use an SPF IGP like ospf or is-is. > with your customer ^ > > i know that's what you meant, but i thought it worth making it very > explicit. > > practice safe routing, do not share blood with customer. > > is-is in core with ibgp, and well-filtered ebgp (and packet filters a la > bcp 38) to customers. > > randy > >
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