[asterisk-users] OT - How to test tftp for phones provisioning

[Olivier]

2008/7/27 Sigma Networks <sigma at easymail123.com>

> Olivier wrote:
> > Hi,
> >
> > I don't understand why a SIP hardphone can't provision itself using tftp.
> > I'm very suspicious about my tftp daemon but I lack basic knowledge of
> > Linux CLI to pinpoint what's going wrong and separate what belongs to
> > SIP phone configuration from what comes from tftp server.
> >
> > What I would like to do is to add a given file in current /srv/tftp
> > directory and test by hand that tftpd would serve this file when asked.
> >
> > Googling and reading man pages, I could find command that starts tftp
> > server but I couldn't find any command asking for a given file
> > (please, note I don't imply such commands don't exist but maybe, some
> > more general network tools (netcat, ...) are the one to use for basic
> > tftp testing).
> >
> > So let's say, you've got :
> > a perfectly running tftp server somewhere on your LAN,
> > it holds foo.txt file in its /srv/tftp directory.
> >
> >
> > Which command could you type in for a LAN workstation to receive this
> > foo.txt ?
> >
> > Regards
> >
> > PS1: I'm using Debian etch
> > PS2: With nestat -a, I've got this :
> >
> > Proto Recv-Q Send-Q Local address          Remote address        Status
> > udp        0      0 *:tftp                  *:*
> >
> > So, I think my tftp daemon is not listening but that's another topic.
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> you'll want to turn on logging for tftpd so you can monitor the messages:
> tail -f /var/log/messages


tftp is started with this (in inetd.conf) :
tftp            dgram   udp     wait    nobody  /usr/sbin/tcpd
/usr/sbin/in.tftpd /srv/tftp

Thanks to manual tftp  (tftp foo.txt) I could find that this tftp server
defaults its log to syslog (grep foo.txt /var/log)

Now, I'm certain :
- a tftp server is somehow running
- I can't see any tftp request/reply from IP phone in /var/log/syslog

Maybe, DHCP server is forwarding IP phone to a wrong TFTP server address.
Anyway, that's another topic.

Thanks for helping.


>
> to test tftp if the daemon is running on the local server:
> tftp localhost
> get foo.txt
>
>
> good luck.
>
>
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