Re: [lwip-users] Problem with large messages and netconn_write

[Kieran Mansley]

On Fri, 2009-03-20 at 11:00 +0100, address@hidden wrote:

> The problem appears when the entire Ethernet frame going out exceeds 950
> bytes (TCP package exceeds 896 bytes). The package is never received by
> the computer (direct connection, using a package sniffing program to
> check the traffic). netconn_write returns ERR_OK but the lwip stack
> isn’t working any more (doesn’t reply to an ARP request from the
> computer). 

Can you show us your lwipopts.h, and if possible a packet capture of it
going wrong?

Thanks

Kieran