>I need to send a data packet in one chunck.
>Today the datas are splitted in two chunks, one of 1500 (the MTU limit) and
another one for the rest.
> I'm not able to go over this 1500 limit. I know it's possible because I
have another program how does it like this

What you ask is to use Jumbo Frames which is available on some gigabit
ethernet systems. Jumbo frames are handled by the OS, not Winsock API
(TWSocket make use of Winsock API of course).

Altough not tested, you should probably do the following:
- Set SocketSndBufSize to some large value
- Set BufSize to at least the same large value
- Send your data as usual.

Embarcadero MVP

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