Friday, December 14, 2018

BGP between PE-CE - ASN?

We have a customer who is taking redundant internet circuits from us. The CE devices will be managed and maintained by ourselves.

Usually if we do this as part of an MPLS L3VPN implementation we will assign the customer a random private ASN for peering purposes, but in this instance this is for internet only through our global routing table/instance, so theres no vpn involved.

Should we use our public ASN on the CE devices and treat it as iBGP, or assign a random private and treat it as eBGP? We are also providing the customer with a /28 public subnet which will be routable



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