[U-Boot-Users] Bootp/Arp process
Wolfgang Denk
wd at denx.de
Thu Jun 5 20:49:01 CEST 2003
Dear Howard,
in message <200306051032.50928.hking at qualcomm.com> you wrote:
>
> Trying FCC3 ETHERNET
> BOOTP broadcast 1
> BOOTP broadcast 2
> BOOTP broadcast 3
> BOOTP broadcast 4
> BOOTP broadcast 5
>
> Retry count exceeded; starting again
> Trying FCC3 ETHERNET
> BOOTP broadcast 1
> BOOTP broadcast 2
> BOOTP broadcast 3
> BOOTP broadcast 4
> BOOTP broadcast 5
>
> Retry count exceeded; starting again
> Trying FCC3 ETHERNET
> BOOTP broadcast 1
> BOOTP broadcast 2
> BOOTP broadcast 3
> BOOTP broadcast 4
> BOOTP broadcast 5
> [continue ........]
>
> We use tcpdump to trace the packets as following:
> Is Uboot trying to do ftp now? We do have the tftp deamon running. Starng
> ely,
> after these packets, tcpdump does not receive anything anymore??
Ummm... judging from the output U-Boot is sending a BOOTP broadcast.
It did not receive a reply, so it is continuing to do so.
> ======================
> [root at ohm2-cx etc]# tcpdump -i eth1 -s 200 -n -x
> tcpdump: listening on eth1
> 10:17:05.789993 0.0.0.0.bootpc > 255.255.255.255.bootps: xid:0x721dffff
> [|bootp] (DF)
> 4500 0240 8de3 4000 2011 caca 0000 0000
> ffff ffff 0044 0043 022c 8397 0101 0600
> 721d ffff 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 00a0 c600 c741 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 0000 0000 0000 0000 0000
You don't really expect that I manually decode this hexdump? Sorry, I
don't have that much time.
Please attach the data in a usable format (i. e. use "-w file").
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
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