[U-Boot] [PATCH 5/9] apf9328: add default board configuration file

Eric Jarrige eric.jarrige at armadeus.org
Thu Aug 25 01:08:57 CEST 2011


Hi Stefano,

On 24 août 2011, at 08:22, Stefano Babic wrote:

> On 08/24/2011 06:56 AM, Eric Jarrige wrote:
>> Dear Wolfgang, Dear Stefano,
> 
> Hi Eric,
> 
>>>> We really need a set of default IP addresses for private network to simplify as much as possible the life of the armadeus project developers. 
>>> 
>>> And what makes you think that 192.168.0.10 might be a free IP address
>>> in my network?  Or assume that 255.255.255.0 is the right netmask in
>>> this network?
>> 
>> http://tools.ietf.org/html/rfc1918#page-4
> 
> Really RFC1918 reservs only IP addresses for private use, but there is
> nothing regarding a "default" IP address. And nothing different as usual
> how to assign the addresses to the hosts.
> 
> To set a static IP address when DHCP is not available (a sort of
> autoconfiguration without DHCP server), the link-local address range
> should be used (169.254.0.0/16), described in
> http://tools.ietf.org/html/rfc3927.
> It sets a random IP in the range and checks with ARP that the address is
> not already used in the network. However, it is outside the goals of a
> bootloader ;-)

Correct, U-Boot does not support this protocol that is moreover limited
to devices "directly connected to the same physical/logical link".

Best regards,
Eric



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