Linux 同时ping一个网段

例如：192.168.11.201-192.168.11.209

for i in {201..209};do ping -c 2 192.168.11.$i;done

 

 

for i in {1..254}; do
> if ping -c 2 -W 1 192.168.12.$i &>/dev/null; then
> echo "192.168.12.$i success"
> else
> echo "192.168.12.$i fail"
> fi
> done