AW: [En-Nut-Discussion] DHCP fix for requesting Gateway and DNS

[Oliver Schulz]

Hi Damian,

I will take care of updating the CVS this evening...

Cheers,
Oliver.

> -----Ursprüngliche Nachricht-----
> Von: Damian Slee [mailto:damian at commtech.com.au]
> Gesendet: Mittwoch, 14. Januar 2004 05:22
> An: Ethernut User Chat (English)
> Betreff: [En-Nut-Discussion] DHCP fix for requesting Gateway and DNS
> 
> 
> Hi,
> this fixes a problem I was having with ethernut and Win2k 
> DHCP Server, not getting the gateway setting.  Hopefully this 
> change can be added to CVS.
> 
> I used Ethereal to look at what a Win2k client sent.  In the 
> DHCP_DISCOVER and DHCP_REQUEST packets a Win2k client was 
> sending a parameter request option.  In the parameter request 
> option, were the parameters Gateway(3), DNS(6) and net 
> mask(1), as well as many others like NetBIOS which we won't 
> worry about.
> 
> I added this parameter request option to ethernut's Discover 
> and Request functions.
> 
> So I have added to the header file dhcp.h
> #define DHCPOPT_PARAMREQUEST 55
> 
> Add/Change to dhcpc.c, see attached.  About 12lines of code added.
> 
>