jackyshan · January 17, 2019 06:30
diff --git a/ping.sh b/ping.sh
 #!/bin/bash

 loop=1
 host="172.31.42."

 while(( $loop<=254 ))
 do
    ip="$host$loop"
    # echo $ip
    let "loop++"
    ping $ip -t 1
 done

 arp -a | grep -v "incomplete"
	#!/bin/bash

	loop=1
	host="172.31.42."

	while(( $loop<=254 ))
	do
	ip="$host$loop"
	# echo $ip
	let "loop++"
	ping $ip -t 1
	done

	arp -a \| grep -v "incomplete"