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Utah Cluster · Changes

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Update Utah Cluster authored Jun 18, 2018 by Mike Hibler's avatar Mike Hibler
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Utah-Cluster.md
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All PC nodes at the Utah Emulab cluster have at least four ethernet ports connected to the
[switch fabric](http://www.emulab.net/doc/docwrapper.php3?docname=topo.html&printable=1). All of the over 2000 ports can be connected in arbitrary ways by
[experiment switch fabric](http://www.emulab.net/doc/docwrapper.php3?docname=topo.html&printable=1). All of the roughly 500 nodes and over 2000 ports can be connected in arbitrary ways by
setting up VLANs on the switches via remote configuration tools. The
current PC and switch topology is shown below. One additional ethernet
current PC and switch topology is shown in the switch fabric diagram. One additional Ethernet
port on each PC is connected to the core router, and is the public facing
interface. Thus each PC has a full duplex 1Gps or 10Gps connection to
interface. Thus each PC has a full duplex 100Mbps (pc3000) or 1Gps (all others) connection to
the servers. These connections are for dumping data off of the nodes and
such, without interfering with the experimental interfaces. The only impact
on the node is processor and disk use, and bandwidth on the PCI bus.
......
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