我發覺 64bit 同 32bit 之間既 network 溝通上…

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係有 d 問題…
會係咁有 package lost

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ipv4
tcp 同 udp 都試過

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就咁 ping 係冇事…
但 openvpn 就有問題…

我試到咁…

1. 32bit windows <-tcp-> 32bit linux = fine
2. 32bit windows <-udp-> 32bit linux = lost when package too large
3. 64bit linux <-tcp-> 32bit linux = many re-transmit
4. 64bit linux <-udp-> 32bit linux = horrible
5. 32bit linux <-tcp-> 32bit linux = fine
6. 32bit linux <-udp-> 32bit linux = fine