Re: [lwip-users] UDP packet sending problem

[Kieran Mansley]

On Mon, 2009-06-29 at 14:05 +0200, patrick Deflandre wrote:
> Hello Kieran, 
> 
> 
> I check for netif->output, and as you say, it is set to 
> etherarp_output. 

So I think you should investigate what happens to the packet once it
gets there. 

> But I don't really understand why you say lwIP is failing to respond 
> to the ARP query. If you means lwIP can't respond to ARP request from 
> an another host on the net, you make a  mistake. My application works 
> successfuly in tcp mode. 

I misunderstood: I thought the ARP was for the target from the PC, but I
see now that it looks like it is the target sending an ARP request for
its own address.

> But as you say, I wonder if lwIP does manage correctly an ARP request 
> from the host itself. I add some trace on lwIP, which give : 
[snip]
> Is this what it is expected ? 

Not sure: I find it really hard to go through text output of packet
captures rather than being able to work through the capture in wireshark
itself.  Could you attach a pcap file instead?

Kieran