RE: [lwip-users] Routing error in lwip 1.3.0

[Kieran Mansley]

On Thu, 2008-07-10 at 12:40 +0000, Muhamad Ikhwan Ismail wrote:
> 
> Hi,
> 
> Ill try to simplify a bit here :
> 
> 1. In the device with lwip,there are 2 tasks running. One an UDP echo
> client, which sends a packet and read the reply. It then checks if the
> reply is the same packet it last sent. If not then triggers an error.
> The packet is a string with a number which is incremented after each
> succcesful echo cycle. The other task just simply sends some dummy UDP
> packet into the network every 10s.
> 
> 2. The echo works fine until the other lwip task sends the dummy
> packet. At that moment there are 2 possible situations

OK, that makes more sense.

What version of lwIP are you using?  Is it a pre-existing port to your
hardware, or one you've done yourself?  Similarly, what driver are you
using?  Which lwIP API do your tasks use to send and receive data?

Kieran