Busybox Update Problem
Michael Davis
mdavis at dtlcontrols.com
Mon Sep 29 13:40:19 UTC 2008
Denys Vlasenko wrote:
> On Friday 26 September 2008 19:47, Michael Davis wrote:
>
>>> > Yes, output confirms what I expected. DHCP server doesn't respond
>>> > to requests "Please ACK my address".
>>>
>>> Can you reveal what dhcp-server you're using?
>>>
>> Just the DHCP server in my off the shelf DLink DIR-615 router.
>>
>
> Can you collect tcpdump of a successful DHCP exchange with this server?
>
> I finally fished out DHCP RFC and it definitely says (even recommends)
> to use broadcast for DHCPREQUEST packets.
>
> Either this server is strange and wants unicast DHCPREQUESTs,
> or our DHCPREQUEST packets are subtly broken.
> In any case, I want to know what exactly is at play here.
> --
> vda
>
>
Attached is a successful DHCP exchange with the same board and same
server. Same setup of busybox as well, just compiled without the
-msoft-float flag.
Also here is the output of the program in that state.
udhcpc (v1.11.2) started
udhcpc: state:0
Sending discover...
udhcpc: state:1
udhcpc: state:1 packet_num:0 discover_retries:3
Sending select for 192.168.1.183...
Lease of 192.168.1.183 obtained, lease time 86400
deleting routers
route: SIOCDELRT: No such process
adding dns 192.168.1.1
--
Michael Davis
Software Engineer
DTL Controls, LLC
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