Solaris

#!/bin/ksh
# set -x

#----------------------------------------------------
# ifstat.ksh
#
# Probe all instances of the named ethernet driver
# 25-Jul-05 ken wachtler
#----------------------------------------------------

Myname=`basename $0`

if [[ $# -lt 1 ]] ; then
  echo "Usage: $Myname <driver_name>"
  echo "Example: $Myname ce"
  exit 1
fi

Drv=$1

case $Drv in
  qfe) Link_speed=ifspeed ;;            # bits/s
    *) Link_speed=link_speed ;;         # mega-bit/s
esac 


kstat -m $Drv | egrep "instance|link_duplex|${Link_speed}|link_up|trunk_mode"