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#!/bin/sh
SITE_NAME=$(hostname | cut -d. -f2)
# Code the 2nd byte of the IP in the mac address, in order to avoid conflicts
# with g5k-subnets (see [[Virtual network interlink]])
if [ "x$SITE_NAME" = "xbordeaux" ] ; then
SITE_HEX=83
elif [ "x$SITE_NAME" = "xlille" ] ; then
SITE_HEX=8b
elif [ "x$SITE_NAME" = "xlyon" ] ; then
SITE_HEX=8f
elif [ "x$SITE_NAME" = "xnancy" ] ; then
SITE_HEX=93
elif [ "x$SITE_NAME" = "xrennes" ] ; then
SITE_HEX=9f
elif [ "x$SITE_NAME" = "xtoulouse" ] ; then
SITE_HEX=a3
elif [ "x$SITE_NAME" = "xsophia" ] ; then
SITE_HEX=a7
elif [ "x$SITE_NAME" = "xreims" ] ; then
SITE_HEX=ab
elif [ "x$SITE_NAME" = "xluxembourg" ] ; then
SITE_HEX=af
elif [ "x$SITE_NAME" = "xnantes" ] ; then
SITE_HEX=b3
elif [ "x$SITE_NAME" = "xgrenoble" ] ; then
SITE_HEX=b7
elif [ "x$SITE_NAME" = "xqualif" ] ; then
SITE_HEX=ff
else
# Orsay (or unknown site)
SITE_HEX=97
fi
MACADDR="00:16:3e:$SITE_HEX:$(dd if=/dev/urandom count=1 2>/dev/null | md5sum | sed 's/^\(..\)\(..\).*$/\1:\2/')"
echo $MACADDR
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