RE: Cisco 2970 and VIA Rhine PXE bootstrap problems

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


Hope it helps, Cheers

Rosario

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Rosario Esposito     Unix Systems Manager     Tel : +44 (0) 1865 273389
Department of Particle Physics                Fax : +44 (0) 1865 273418
University of Oxford,
Keble Road, Oxford  OX1 3RH, UK       [email protected]
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> -----Original Message-----
> From: openmosix-general-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
> [mailto:openmosix-general-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On 
> Behalf Of Tony Travis
> Sent: 15 March 2006 11:16
> To: 'openmosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org'
> Subject: [openMosix-general] Cisco 2970 and VIA Rhine PXE 
> bootstrap problems
> 
> Hello,
> 
> I've just replaced two 3COM 4250T 100Base-T unmanaged switches in an 
> operational openMosix cluster with Cisco 2970's. PXE booting 
> has stopped 
> working now on cluster nodes with VIA Rhine on-board 100Base-T NIC's!
> 
> The problem is quite specific to VIA Rhine NIC's: The same 
> cluster node 
> will PXE boot off a 3C2000, and other nodes with 3C905's boot 
> correctly.
> 
> We have anecdotal evidence here of other problems with Cisco 2970 
> switches dropping DHCP packets from VIA Rhine on-board 
> ethernet NIC's. 
> Has anyone else encountered this?
> 
> All the 2970's have been reset to factory defaults, and pick up their 
> own IP address from a DHCP server on the cluster head node. 
> Half of the 
> nodes in the cluster have 3C905's and half on-board VIA Rhine NIC's.
> 
> I've not read anything about a VIA-specific problem in the Cisco 2970 
> online documentation or found it mentioned in a Google 
> search, so far...
> 
> 	Tony.
> -- 
> 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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