According to this https://blog.cloudflare.com/how-to-drop-10-million-packets/ dropping ingress packets with tc should be easy peasy, but I just can't figure out the proper syntax for Asus (AC-66 2.6.22.19 #1 Mon Sep 12 19:17:46 MST 2016 mips GNU/Linux) version of tc.
As a test I'm trying to...