Re: [lwip-users] TCP not sending initial ACK

[address@hidden]

JM wrote:
> There isn't much out there that describes these settings in good 
> detail.  However, TCP_MSS is simply the maximum amount of data that 
> lwIP will Rx/Tx per packet.  This is data payload only, not including 
> headers, etc.  I believe anything over 1460 is not possible since this 
> is the maximum allowed (if I'm wrong someone please correct this).
With an MTU of 1500 (correct for ethernet), the maximum TCP_MSS is 1460 
(MTU - headers), but that can change with the MTU!
> I don't believe it has to be a power of 2.
No, it doesn't have to be.

Simon