20 Aug
2009
20 Aug
'09
6:06 a.m.
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