Re: [lwip-users] DHCP works but ping doesn't reply

[vincent cui]

Kieran:

It is possible to realize PING command base on Lwip ?

锘?Vincent Cui
Sr.Firmware Engineer
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-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Kieran Mansley
Sent: 2011年9月2日 3:26
To: Mailing list for lwIP users
Subject: Re: [lwip-users] DHCP works but ping doesn't reply


On 1 Sep 2011, at 09:27, Wolfgang Stich wrote:

> Yes, it works very well with FreeRTOS 4.7.2 and lwIP 1.2.0 on the same 
> hardware, but after upgrading to 1.3.2 by using the new version of atmel 
> software framework which contains lwIP 1.3.2 it doesnt work except dhcp. My 
> Question is there any special option i've forgotten to set.

I haven't looked in detail at your code and settings, but in this situation I'd 
try and trace through with added debug statements a received ICMP packet, and 
see how far it gets before being dropped.  

Kieran
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