Hi, Jon --

Jon Morby wrote:
> The problem is that BCP38 assumes that the ISP does some configuration
> to ensure only properly sourced packets enter their network, which
> doesn't really work unless you have a perfectly symmetrical network
> Š. and not many ISPs do

Asymmetric routing via your non-customer peers and transit partners does
not mean you can't apply Strict uRPF facing your customers (in fact you
should do so.)

Andy



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