[j-nsp] BGP full mesh or route reflector
Mark Tinka
mark at tinka.africa
Fri Dec 5 10:10:49 EST 2025
On 05/12/2025 14:31, Johan Borch via juniper-nsp wrote:
> Hi!
>
> In an SR/MP-BGP underlay, will it have a significant impact on device
> performance if we use a full iBGP mesh instead of route reflectors or other
> drawbacks? Let’s say we will end up with around 100 PE routers. These
> routers will not carry an excessive number of prefixes (no full tables).
> We can ignore the configuration part as configuration is auto-generated.
I'd say if you have 2 or more routers, go with RR's. You will always
grow into more routers, and the RR-based iBGP routing will ease your
scaling logistics.
It certainly won't complicate your life.
Mark.
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