> Most (all) large ISP's have a "customer ASN". This allows a customer > to connect in multiple places, run BGP, and get something approximating > real redundancy to that carrier. However, rather than allocate one > ASN to each customer, all customers use the same "customer ASN". > Yes, that means they must default to the provider (and/or have the > provider provide a default route) to reach the other customers using > this technique.
Perhaps I'm missing something having not done this myself but why arent the customers just using private ASNs? That would also remove the 'must default' clause. Steve
