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.

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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.

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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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