OSPF vs IS-IS vs PrivateAS eBGP

Randy Bush randy at psg.com
Thu Aug 20 05:06:55 CDT 2009


> 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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