I increased MEMP_NUM_NETBUF to 30 and no help

#define MEMP_NUM_NETBUF         30
#define MEMP_NUM_NETCONN        4
#define PBUF_POOL_SIZE          30
#define TCP_SND_BUF             30000


On 15 Dec 2010, at 13:29, Chen wrote:

> I am using lwip_send to send out the data.

In that case MEMP_NUM_NETBUF is (I think) relevant, and you should increase it.

Kieran


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