[tyingq]

"how could it be that Amazon works without problem and Netflix doesn’t"

Supporting Path MTU discovery (PMTUD), or perhaps just capping their outbound packets to 1450 or similar. Cloudflare found and fixed a problem in this space: https://blog.cloudflare.com/path-mtu-discovery-in-practice/

[stingraycharles]

Oh wow, TIL about the “don’t fragment” bit and all the stuff that comes with it.

Thanks for sharing, I learned a lot from that blog post.