> 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
