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Date: Fri, 8 Jul 2011 06:24:29 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Anton Shterenlikht <mexas@bristol.ac.uk>
In-Reply-To: <20110707224435.GA27624@mech-cluster241.men.bris.ac.uk>
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References: <20110707224435.GA27624@mech-cluster241.men.bris.ac.uk>
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	(wonkity.com [127.0.0.1]); Fri, 08 Jul 2011 06:24:29 -0600 (MDT)
Cc: freebsd-questions@freebsd.org
Subject: Re: tftp - bad checksum error? can't transfer file
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On Thu, 7 Jul 2011, Anton Shterenlikht wrote:

> I'm trying to troubleshoot tftpd(8).
>
> % grep boot /etc/inetd.conf
> tftp   dgram udp  wait root /usr/libexec/tftpd  tftpd -dd -l -s /tftpboot
> tftp   dgram udp  wait root /usr/libexec/tftpd  tftpd -dd -l -s /tftpboot
> bootps dgram udp  wait root /usr/libexec/bootpd bootpd -d4 -t0 /etc/bootptab
> %
>
> I'm trying to boot another node via bootp/tftp.
>
> I'm monitoring what's going on with tcpdump -vv.
>
> bootpd starts fine, and seems to read /etc/bootptab
> correctly.
>
> But after that nothing happens, and after a few minutes
> I get on the console of the host which I want to boot:
>
>> bootp()/bsd.rd.IP32
> Unable to execute bootp()/bsd.rd.IP32:  invalid argument

How big is bsd.rd.IP32?  Does the BUGS section of tftpd(8) apply?

If so, try ftp/tftp-hpa.  It's faster, too, AFAIR.