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Re: Son of Re: [K12OSN] x86 thin client apparently ignoringDHCPOFFER from LTSP



If you start using a switch be sure you're not using the crossover cable.
>
> I tried to set up a very simple network:  the computers are connected with
> a crossover cable -- there is no hub.  I tested the setup with the
> Mircon/Gateway, and things worked fine.  So , I assume that the cable and
> server ethernet card is OK.  When I went to the Micron/Vaio, it did not
> work.  I can't readily change the ethernet card in the Vaio (it is a
> laptop).  I can move the ethernet card in the server, so I will give that
a
> try.  Keep shooting ideas at me.
>
> Tom
> labone ifx net
>
>
> At 11:46 AM 1/24/2003 -0500, you wrote:
> >Tom La Bone wrote:
> > >
> > > All of this message did not get to you last time, so I will try again.
> > >
> > > I have a 1GHz Micron server running LTSP V3.0 connected by a crossover
> > > cable to a 233 MHz Gateway client.  I booted the Gateway with a ROM
floppy
> > > and it successfully boots and runs as a thin client.  This is really
> > > cool.  The relevant parts of /var/log/messages for this are
> > >
> > > Jan 22 21:37:14 Bootle dhcpd: DHCPDISCOVER from 00:a0:cc:64:8b:dd via
eth0
> > > Jan 22 21:37:15 Bootle dhcpd: DHCPOFFER on 192.168.0.253 to
> > > 00:a0:cc:64:8b:dd via eth0
> > > Jan 22 21:37:15 Bootle dhcpd: DHCPREQUEST for 192.168.0.253
(192.168.0.254)
> > > from 00:a0:cc:64:8b:dd via eth0
> > > Jan 22 21:37:15 Bootle dhcpd: DHCPACK on 192.168.0.253 to
00:a0:cc:64:8b:dd
> > > via eth0
> > > Jan 22 21:37:20 Bootle dhcpd: DHCPDISCOVER from 00:a0:cc:64:8b:dd via
eth0
> > > Jan 22 21:37:20 Bootle dhcpd: DHCPOFFER on 192.168.0.253 to
> > > 00:a0:cc:64:8b:dd via eth0
> > > Jan 22 21:37:22 Bootle dhcpd: DHCPREQUEST for 192.168.0.253
(192.168.0.254)
> > > from 00:a0:cc:64:8b:dd via eth0
> > > Jan 22 21:37:22 Bootle dhcpd: DHCPACK on 192.168.0.253 to
00:a0:cc:64:8b:dd
> > > via eth0
> > >
> > > I then rebooted the Micron and attached a VAIO notebook with the
crossover
> > > cable.  The VAIO shows the following (as best I could copy it) while
it
> > > tries to boot from its floppy:
> > >
> > > .000021.0000 done
> > > ROM segment 0x0800 length 0x4000 reloc 0x9400
> > > A20 enabled via bios
> > > Etherboot 5.0.8 (GPL) Tagged ELF for [EEPRO100]
> > > Boot from (N)etwork or from (L)ocal? N
> > > Probing...[EEPRO100]Found Intel EthernetExpressPro100 82562EM ROM
address
> > > 0x0000
> > > Ethernet addr: 08:00:46:13:88:29
> > > Searching for server (DHCP)..
> > >
> > > Then it freezes and goes no further.  The relevant part of
> > > /var/log/messages for the VAIO are
> > >
> > > Jan 22 21:49:13 Bootle dhcpd: DHCPDISCOVER from 08:00:46:13:88:29 via
eth0
> > > Jan 22 21:49:14 Bootle dhcpd: DHCPOFFER on 192.168.0.252 to
> > > 08:00:46:13:88:29 via eth0
> > >
> > > Any ideas what is going wrong here?  Thanks for the help.
> >
> >It could be a bad ethernet cable, or even a bad port on your switch or
> >hub.  Ethernet cables use two different pairs of wires for transmit vs
> >receive.  Your client is transmitting OK (the server sees the dhcp
> >request and makes an offer) but the client doesn't receive the offer.
> >
> >It could also be a bad ethernet card in the client, or it could be that
> >the ethernet card is plugged into a bad slot.
> >
> >So I'd try these steps:
> >Try a different ethernet cable for the client.
> >Try a different ethernet cable for the server.
> >Try a different port on the switch/hub.
> >Move the client's ethernet card to a different slot.
> >Try a different ethernet card in the client.
> >
> >
> >--
> >Jim Thomas            Principal Applications Engineer  Bittware, Inc
> >jthomas bittware com  http://www.bittware.com          (703) 779-7770
> >I'm a man.  But I can change.  If I have to.  I guess.  - Red Green
> >
> >
> >
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>
>
>
>
>
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