Re: [lwip-users] Communication delays, if using lwIP in different network areas

[Leon Woestenberg]

Hello,

On Thu, Nov 11, 2010 at 5:59 PM, Benjamin Schelte
<address@hidden> wrote:
>
> Then the device takes a timeout of 1-2.5 seconds, before sending the
> response package (wireshark and router logs proof that the packet is sent
> after that time and not earlier).
> ...
> For me it seems like the stack in the device doesn’t know, where to send the
> data to until the next packet arrives. Is that possible somehow?
> ...
> Does anybody have a clou, what the problem could be?
>

Sounds like the ARP cache does not have the the gateway's Ethernet
address available.

Add tracing to see what happens in the ARP cache lookup on the outgoing packet.

Regards,
-- 
Leon