Re: [lwip-users] AutoIP/link-local status?

[Kieran Mansley]

On Thu, 2009-09-10 at 15:20 -0700, Alex Broadhead wrote:
> Now, though, the problems begin.  There are two methods my PC GUI uses
> to connect to the Blackfin:  UDP broadcast bootstrap, or specified
> address list.  When I try the first mode, I am able to recvfrom() the
> UDP packets from the PC, but echoing the packet back via sendto() fails
> every time with the error 'EHOSTUNREACH', indicating no route to the
> host.  I've never seen such an error before (using DHCP or static
> addressing).  Entering 169.254.23.0 into the list of specified addresses
> and trying to connect directly using TCP/IP, accept() never unblocks,
> which would seem to indicate that no packets are making it to the
> Blackfin.  Again, this method works flawlessly when not using an autoip
> supplied address.

What IP address and netmask does your PC have?  It may be that they've
just been configured to be on different subnets.

Kieran