Re: Cisco 2970 and VIA Rhine PXE bootstrap problems

Hello, Rosario and Ian.

Thanks for your advice: I've enabled 'PortFast' on the ports connected 
to cluster nodes and the nodes with VIA NIC's now PXE boot again :-)

     Tony.

Rosario Esposito wrote:
 > Hi,
 > I had a problem in the past with pxe and a cisco switch and I solved it
 > enabling to "PortFast" option.
 > http://www.cisco.com/warp/public/473/12.html

Ian Latter wrote:
 > Hello Tony,
 >
 >
 >   I haven't seen this before, but ...
 >
 >   If, all things being equal, your cluster works when
 > it has hosts with static IP assignments, then you
 > might find that it's the port negotiation between the
 > NIC and the Switch that is causing your problem.  In
 > *just* the right circumstances, you can have some
 > switches spend minutes negotiating link-up
 > information (like Duplex and Rate).  If this negotiation
 > is running longer than your PXE/BootP time-out then
 > this would be bad.
 >
 >   Try setting your link speed and rate in the switch for
 > the ports used by static hosts (those nodes that
 > aren't often physically relocated) - removing auto-
 > negotiation.
-- 
Dr. A.J.Travis,                     |  mailto:[email protected]
Rowett Research Institute,          |    http://www.rri.sari.ac.uk/~ajt
Greenburn Road, Bucksburn,          |   phone:+44 (0)1224 712751
Aberdeen AB21 9SB, Scotland, UK.    |     fax:+44 (0)1224 716687


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