Some random links about PMTU issues: https://www.znep.com/~marcs/mtu/ https://www.znep.com/~marcs/mtu/ https://serverfault.com/questions/1050567/why-does-settin

Some random links about PMTU issues: https://www.znep.com/~marcs/mtu/ https://www.znep.com/~marcs/mtu/ https://serverfault.com/questions/1050567/why-does-setting-mtu-1452-solve-internet-problems-and-how-to-fix-root-cause https://serverfault.com/questions/1050567/why-does-setting-m... https://serverfault.com/questions/126468/mtu-dsl-router-and-stalling-tcp https://serverfault.com/questions/126468/mtu-dsl-router-and-... https://serverfault.com/questions/162062/how-to-check-who-blocks-icmp-during-mtu-path-negotiation https://serverfault.com/questions/162062/how-to-check-who-bl...