On 2023-07-06 Brian Lowe wrote:
When I do an mtr from my home to Wikipedia, the host ae20.3518.ear1.Chicago3.level3.net shows a significant packet loss:
You both nailed it. If a hop is dropping but the hops after are lossless, then it's just that hop doing weird stuff with ICMP. Some hops might just blanket drop ICMP, depending on their config. No law says you have to respond to it.