You should always start at 1472 and work your way down by 10 each time. s packet_size: Specifies the number of data bytes to be sent.may be either do (prohibit fragmentation, even local one), want (do PMTU discovery, fragment locally when packet size is large), or dont (do not set DF flag). M hint: Select Path MTU Discovery strategy.Note: first remove your mods to /etc/dhcp/nf and reboot. To determine the correct MTU setting, start with all MTU settings = 1500 and VPN = off. |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig. The dpkg -l *dnsmasq* output is: Desired=Unknown/Install/Remove/Purge/Hold The resolvectl output is: Current DNS Server: 1.1.1.1 Why? How can I change it to exactly 1200?Ĭat /etc/nf: lrwxrwxrwx 1 root root 29 Mar 19 13:05 /etc/nf ->. I went to this file /etc/dhcp/nf and added these two lines before the request line: default interface-mtu 1200 Īfter I restarted and the system boots up, I run ifconfig and it says my MTU size is 1280.
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