Solaris

 
[!]root: /var/ADMIN/bin/speed_duplex.sh
Interface       Speed           Duplex
---------       -----           ------
e1000g0         1000000000
1000000000      full

 
[!]root: cat /var/ADMIN/bin/speed_duplex.sh
#!/bin/sh
# $Id: speed_duplex,v 1.4 2007/07/10 16:04:42 hutch Exp $
PATH=/bin:/usr/bin:/usr/sbin
# Print column header information
echo "Interface\tSpeed\t\tDuplex"
echo "---------\t-----\t\t------"
# Determine the speed and duplex for each live NIC on the system
for INTERFACE in `netstat -i | egrep -v "^Name|^lo0" \
   | awk '{ print $1 }' | cut -d: -f1 | sort | uniq`
do
   # Only gather information for active interfaces
   # Note: "ce" interfaces can be "UP" in "ifconfig" but have link down
   ifconfig $INTERFACE | grep "^$INTERFACE:.*<UP," > /dev/null 2>&1 || continue
   # Skip "cip" ATM interfaces
   echo $INTERFACE | grep "^cip" > /dev/null 2>&1 && continue
   # "ce" interfaces
   if [ "`echo $INTERFACE | awk '/^ce[0-9]+/ { print }'`" ] ; then
      kstat > /dev/null 2>&1
      if [ $? -ne 0 ] ; then
         echo "The \"kstat\" command failed for interface $INTERFACE."
         continue
      fi
      # Determine the ce interface number
      INSTANCE=`echo $INTERFACE | cut -c 3-`
      DUPLEX=`kstat ce:$INSTANCE | grep link_duplex | awk '{ print $2 }'`
      case "$DUPLEX" in
         0) DUPLEX="link down" ;;
         1) DUPLEX="half" ;;
         2) DUPLEX="full" ;;
      esac
      SPEED=`kstat ce:$INSTANCE | grep link_speed | awk '{ print $2 }'`
      case "$SPEED" in
         0) SPEED="link down" ;;
         10) SPEED="10 Mbit/s" ;;
         100) SPEED="100 Mbit/s" ;;
         1000) SPEED="1 Gbit/s" ;;
      esac
   # "dmfe" interfaces
   elif [ "`echo $INTERFACE | awk '/^dmfe[0-9]+/ { print }'`" ] ; then
      # Only the root user should run "ndd"
      if [ "`id | cut -c1-5`" != "uid=0" ] ; then
         echo "You must be the root user to determine \
${INTERFACE_TYPE}${INSTANCE} speed and duplex information."
         continue
      fi
      DUPLEX=`ndd /dev/${INTERFACE} link_mode`
      case "$DUPLEX" in
         0) DUPLEX="half" ;;
         1) DUPLEX="full" ;;
      esac
      SPEED=`ndd /dev/${INTERFACE} link_speed`
      case "$SPEED" in
         10) SPEED="10 Mbit/s" ;;
         100) SPEED="100 Mbit/s" ;;
         1000) SPEED="1 Gbit/s" ;;
      esac
   # "bge" and "iprb" interfaces
   elif [ "`echo $INTERFACE | awk '/^iprb[0-9]+|bge[0-9]+/ { print }'`" ] ; then
      kstat > /dev/null 2>&1
      if [ $? -ne 0 ] ; then
         DUPLEX="The \"kstat\" command failed for interface $INTERFACE."
         continue
      fi
      # Determine the bge|iprb interface number
      INSTANCE=`echo $INTERFACE | tr -d '[a-z]'`
      INTERFACE=`echo $INTERFACE | tr -d '[0-9]'`
      DUPLEX=`kstat $INTERFACE:$INSTANCE | grep duplex | awk '{ print $2 }'`
      SPEED=`kstat $INTERFACE:$INSTANCE | grep ifspeed | awk '{ print $2 }'`
      case "$SPEED" in
         10000000) SPEED="10 Mbit/s" ;;
         100000000) SPEED="100 Mbit/s" ;;
         1000000000) SPEED="1 Gbit/s" ;;
      esac
   elif [ "`echo $INTERFACE | awk '/^e1000g[0-9]+/ { print }'`" ] ; then
      INSTANCE=`echo $INTERFACE | cut -c7-`
      # The duplex for e1000g devices can only be found with "dladm"
      DUPLEX=`dladm show-dev $INTERFACE | awk '{ print $NF }'`
      SPEED=`kstat e1000g:$INSTANCE | grep ifspeed | awk '{ print $2 }'`
      case "$SPEED" in
         10000000) SPEED="10 Mbit/s" ;;
         100000000) SPEED="100 Mbit/s" ;;
         1000000000) SPEED="1 Gbit/s" ;;
      esac
   # le interfaces are always 10 Mbit half-duplex
   elif [ "`echo $INTERFACE | awk '/^le[0-9]+/ { print }'`" ] ; then
      DUPLEX="half"
      SPEED="10 Mbit/s"
   # All other interfaces
   else
      INTERFACE_TYPE=`echo $INTERFACE | sed -e "s/[0-9]*$//"`
      INSTANCE=`echo $INTERFACE | sed -e "s/^[a-z]*//"`
      # Only the root user should run "ndd"
      if [ "`id | cut -c1-5`" != "uid=0" ] ; then
         echo "You must be the root user to determine \
${INTERFACE_TYPE}${INSTANCE} speed and duplex information."
         continue
      fi
      ndd -set /dev/$INTERFACE_TYPE instance $INSTANCE
      SPEED=`ndd -get /dev/$INTERFACE_TYPE link_speed`
      case "$SPEED" in
         0) SPEED="10 Mbit/s" ;;
         1) SPEED="100 Mbit/s" ;;
         1000) SPEED="1 Gbit/s" ;;
      esac
      DUPLEX=`ndd -get /dev/$INTERFACE_TYPE link_mode`
      case "$DUPLEX" in
         0) DUPLEX="half" ;;
         1) DUPLEX="full" ;;
         *) DUPLEX="" ;;
      esac
   fi
   echo "$INTERFACE\t\t$SPEED\t$DUPLEX"
done

SPEED=`kstat e1000g:$INSTANCE | grep ifspeed | awk '{ print $2 }'`

SPEED=`kstat e1000g:$INSTANCE | grep ifspeed | head -1 | awk '{ print $2 }'`