Re: (ASCEND) routing tftp - was P50 & forgotten password?

[Bob K <melange@yip.org>]

On Tue, 24 Aug 1999, Burkhard Weeber wrote:

> Well, I've never been able to get tftp routed. I tries many UNIXs like
> AIX, SINIX, Linux, HP-UX and with all of them tftp only works as long
> as you are in the same IP-namespace. I tried it with a Linux machine
> as a router and got telnet or ftp fine, but tftp said "connection
> timed out". I heard something about it that tftp rather takes the MAC
> address to reply than the IP address.

It can definitely be done.  We used to regularly tftp configurations to
and from a FreeBSD box across a variety of IP networks.  Would the Linux
box be acting as a firewall, perchance?  Make sure these ports are open:

tftp             69/tcp    #Trivial File Transfer
tftp             69/udp    #Trivial File Transfer

> Burkhard Weeber
> viastore systems GmbH
> P/O Box 300668
> D-70446 Stuttgart
> Email: B.Weeber@viastore.de
> 
> > -----Original Message-----
> > From: James Courtier-Dutton [mailto:jcdutton@lucent.com]
> > Sent: Tuesday, August 24, 1999 4:55 PM
> > To: B.Weeber@viastore.de; Ascend User List (E-Mail)
> > Subject: RE: (ASCEND) P50 & forgotten password?
> > 
> > 
> > I guess you have to re-interpret the RFC again, because tftp 
> > when passed
> > over UDP is routable.
> > That is not to say that the ASCEND box can route it though. I 
> > have not been
> > trained on the ASCEND box yet.
> > Cheers
> > James
> > 
> > 
> > > -----Original Message-----
> > > From: owner-ascend-users@max.bungi.com
> > > [mailto:owner-ascend-users@max.bungi.com]On Behalf Of 
> > Burkhard Weeber
> > > Sent: Tuesday, August 24, 1999 12:47
> > > To: Ascend User List (E-Mail)
> > > Subject: RE: (ASCEND) P50 & forgotten password?
> > >
> > >
> > >
> > >
> > > > ----------
> > > > From: 	Burkhard Weeber[SMTP:B.WEEBER@VIASTORE.DE]
> > > > Sent: 	Tuesday, August 24, 1999 12:47:26 PM
> > > > To: 	Ascend User List (E-Mail)
> > > > Subject: 	RE: (ASCEND) P50 & forgotten password?
> > > > Auto forwarded by a Rule
> > > >
> > > James Courtier-Dutton[SMTP:jcdutton@lucent.com] asked:
> > > > At which point did TFTP become un-routable?
> > >
> > > As defined in RFC1350 tftp does not fill in any Internet fields
> > > although they are present. Therefore tftp cannot be routed.
> > >
> > >
> > > Burkhard Weeber
> > > viastore systems GmbH
> > > P/O Box 300668
> > > D-70446 Stuttgart
> > > Email: B.Weeber@viastore.de
> > >
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> > >
> > >
> > 
> > 
> > 
> 
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melange@yip.org - AT&T Canada Corp. - Internetworking Consultant

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