Re: [lwip-users] DHCP server support

[Christoph Bayer]

Am 16.02.2012 um 09:49 schrieb Simon Goldschmidt:
> "Christoph Bayer" <address@hidden> wrote:
>> I am now looking for a simple DHCP server build in top of it.
> 
> There is the project "lwDHCP" on savannah which seems to try to do this, but 
> I don't know what the status is. It doesn't seem like there is any code 
> available. Other than that, I don't know about any DHCP servers for lwIP.

I have found this page, but there is no code on savannah and all external links 
are dead.

> Anyway, I'm not sure lwIP is the correct stack for building a DHCP server, 
> wouldn't it be easier to use linux for that? Out of interest, what are your 
> goals of using lwIP, do you want it to act as a router, too, or why do you 
> need it to be a DHCP server?

It would be easier to use Linux, but the MCU plus external memory would be much 
more expensive in comparison to a small single MCU with internal RAM/Flash. It 
should act a a router, between two network interface. So I need to implement 
some kind of routing. This is just a proof of concept at the moment, so 
performance doesn't matter. One interface is configured by the build-in dhcp 
client from an external dhcp server, the other (over USB) configures the client 
via the build-in dhcp.

Yesterday I did find a very basic dhcp server for lwip, after doing some fixes 
it seems to work. If someone is interested, I would gladly share it after some 
more code fixes.