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Updated about mtu (markdown)

Yancey Wang 2023-11-05 11:36:09 -05:00
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about-mtu.md

@ -2,4 +2,6 @@ udp2raw introduces it's own header for encryption, anti-replay and multiplex. As
Since udp2raw itself doesn't have user space packet splitter, you have to tune the MTU at upper level appliation (for example: openvpn, wireguard, kcptun) to make sure they don't send packet too large for udp2raw. Since udp2raw itself doesn't have user space packet splitter, you have to tune the MTU at upper level appliation (for example: openvpn, wireguard, kcptun) to make sure they don't send packet too large for udp2raw.
udp2raw support mtu at most 13xx depends on the upper level application (e.g. what kind of VPN you are using), I suggest to use `1200` as a safe value.
However, if you are not happy with this or your upper level application doesn't allow you to tune MTU, there is indeed a way to by pass the MTU limitation, see [[https://github.com/wangyu-/udp2raw/wiki/bypass-mtu-limitation]] However, if you are not happy with this or your upper level application doesn't allow you to tune MTU, there is indeed a way to by pass the MTU limitation, see [[https://github.com/wangyu-/udp2raw/wiki/bypass-mtu-limitation]]