Enable/Disable LLDP on VMWare ESXi. Requires SSH access to ESXi. Doesn't require vCenter.

esxi_lldp_control.sh

SWITCH=$1
OPERATION=$2

if [ "$SWITCH" = "" ] || [ "$OPERATION" = "" ]; then
	echo "Enable/disable LLDP on vSwitch"
	echo ""
	echo "USAGE:"
	echo "$0 <vSwitch> <operation>"
	echo "Examples: "
	echo "Enable LLDP: $0 vSwitch0 1"
	echo "Disable LLDP: $0 vSwitch0 0"

	exit 1
fi

case "$OPERATION" in
		0) ;;
		1) ;;
		*) echo "Invalid operation: $OPERATION"; exit 1 ;;
esac


for PORT in `vsish -e ls /net/portsets/$SWITCH/ports | sed 's/\/$//'`
do
	DATA=`vsish -e get /net/portsets/$SWITCH/ports/$PORT/status`
	echo "$DATA" | grep -q "Physical NIC"
	if [ $? = 0 ];then
		echo "Port: $PORT"
		echo "$DATA" | grep -i "port index:"
		echo "$DATA" | grep -i "clientName:"
		echo "$DATA" | grep -i "clientType:"
		echo "$DATA" | grep -i "portCfg:"

		echo "  Trying to change LLDP state to $OPERATION.."
		vsish -e set /net/portsets/$SWITCH/ports/$PORT/lldp/enable $OPERATION &> /dev/null

		LLDPSTATE=`vsish -e get /net/portsets/$SWITCH/ports/$PORT/lldp/enable`
		if [ "$LLDPSTATE" = "$OPERATION" ]; then
			echo "  LLDP state successfully changed"
		else
			echo "  ERROR: changing LLDP state failed"
		fi

	echo "------------------------------"
	echo ""
	fi
done