On 19/Aug/15 01:12, Patrick W. Gilmore wrote:
> > Normally a router gets a packet and sends it on its way without looking at > the source. However, if you have a router at the IX which has _only_ peer > routes and your routes, that solves the problem. If I send you a packet for > Comcast, your peering router will drop it and send an ICMP Network > Unreachable. No filters to manage, no RIRs to sync, nothing to code, etc. This is what we do, and to make it more interesting, we have 0/0 and ::/0 on these dedicated peering routers pointing to Null0. Mark.
