Ben Warren wrote:
Hi Dan,
Dan Batryn wrote:
Due to a mis-configuration of our DHCP server there was an overlapping range of DHCP assigned IP address and units configured to have IP addresses statically assigned. I was surprised to find that UBOOT did not complain of a duplicate IP address while trying to boot via the network. Looking through the source I cannot see any code to perform the typical ARP for yourself check that I have seen before. Could someone please tell me if I have overlooked something or is this feature missing?
There is no explicit check for duplicate IP assignment. U-boot's networking code is intentionally minimalist and thus lacks many such features. Feel free to provide a patch and a convincing argument of why it's needed.
regards, Ben
Ditto on the patch.
WRT the convincing argument, I think the bar would be *really* low on this one. :-) I would consider a convincing argument to be "The nearly universal convention of performing an ARP to verify that the DHCP-assigned IP address is unused is missing."
Best regards, gvb