"Shell script" monitors LAN IP online

Source: Internet
Author: User

First, the script function

To determine whether the IP is occupied, the ping rule is considered to be occupied and the results are output to ip_yes.txt and Ip_no.txt, respectively, by means of the ping command detection.

Second, script writing


#Check the network is online


For i in ' SEQ 1 254 '


Ping-c 2 $ip _num$i >/dev/null

If [$? = 0];then

echo "Echo $ip _num$i is yes"

Echo $ip _num$i is yes >> ip_yes.txt


echo "Echo $ip _num$i is no"

Echo Echo $ip _num$i is no >> ip_no.txt



"Shell script" monitors LAN IP online

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