Re: [lwip-users] No Ping Response

[Noam weissman]

Hi,

Have you enabled ICMP ?

#define LWIP_ICMP               1

#define LWIP_UDP                1

I closed CS by hardware as it caused my system not to response to ping.

/* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/
  #define CHECKSUM_GEN_IP                 1
  /* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP 
packets.*/
  #define CHECKSUM_GEN_UDP                1
  /* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP 
packets.*/
  #define CHECKSUM_GEN_TCP                1
  /* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP 
packets.*/
  #define CHECKSUM_CHECK_IP               1
  /* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP 
packets.*/
  #define CHECKSUM_CHECK_UDP              1
  /* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP 
packets.*/
  #define CHECKSUM_CHECK_TCP              1


Noam.



-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of UV
Sent: ד 10 יולי 2013 09:53
To: address@hidden
Subject: [lwip-users] No Ping Response

Hi 

I'm using lwIP 1.4.1 on STM32F207. For some reason I cannot ping the device 
from my PC.
I've modified icmp.c based on the bug# 38803 and it still does not work.
I've attached a screen shot form  Wireshark and CMD.
Please help.

UV
WinShark_ScreenShot.PNG
<http://lwip.100.n7.nabble.com/file/n21717/WinShark_ScreenShot.PNG>
CMD_ScreenShot.PNG
<http://lwip.100.n7.nabble.com/file/n21717/CMD_ScreenShot.PNG>  



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