Spanning Trees are usually the biggest culprit in pxe booting and switch problems. For SMC switches I think you just need to do something like:
telnet smc enable config interface ethernet 1/1 # if this is the interface your client node is on spanning-tree edge-port exit copy run start On Wed, Dec 2, 2009 at 10:36 AM, Hearns, John <[email protected]>wrote: > > I've tried resetting the SMC switch to factory defaults (with > auto-negotiate on). I've checked the /etc/beowulf/modprobe.conf and it > doesn't seem to be demanding anything exotic. We've tried swapping out > to another SMC switch but that didn't change anything. > > No idea really, as I don't use SMC switches. > First thing I would do would be to get a laptop with Linux on, and > attach it to the SMC switch. > Configure the Ethernet interface to use DHCP, then ifconfig it down then > ifcoinfig it up. > Run tcpdump eth0 as you do this, and tail -f /var/log/messages > > > If it gets a DHCP address (and of course on the cluster head node there > is a pool of free DHCP addresses configured) > the test tftp file transfer. Set the tftp daemon on the head node to run > in debug mode, and start it up. > Try a tftp get of a test file on the laptop. > > > The contents of this email are confidential and for the exclusive use of > the intended recipient. If you receive this email in error you should not > copy it, retransmit it, use it or disclose its contents but should return it > to the sender immediately and delete your copy. > > > _______________________________________________ > Beowulf mailing list, [email protected] sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf >
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