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Christopher Haster 8dd5647069 Increased allocated netbufs to handle DTLS handshakes 
UDP based protocols such as DTLS may fragment large packets, resulting
in many packets being sent at once. This can lead to significant/irrecoverable
packet loss on systems that respond to packets slower than network transfers.

Increasing MEMP_NUM_NETBUF to 8 allows lwip to handle a DTLS handshake
successfully and should be more robust for similar protocols.

DTLS handshake:
https://tools.ietf.org/html/rfc4347#section-4.2.3
 		2016-03-04 04:02:28 -06:00
..
api Initial commit of the mbed libraries and tools 2013-02-18 15:32:11 +00:00
core [net] add target Seeed Arch Max (stm32f407) 2015-03-03 10:03:09 +08:00
include Added K64F TCP/IP support 2014-04-23 16:16:38 +01:00
netif Initial commit of the mbed libraries and tools 2013-02-18 15:32:11 +00:00
COPYING Add lwIP copyright information 2013-08-06 14:55:22 +01:00
lwipopts.h Increased allocated netbufs to handle DTLS handshakes 2016-03-04 04:02:28 -06:00