在Sloaris 10 上...要使用ping 的話...如果不加指令...就會出現這樣#ping google.com
google.com is alive
所以要加上 -s 才能一直回應
#ping -s google.com
PING google.com: 56 data bytes
64 bytes from 74.125.224.116: icmp_seq=0. time=22.923 ms
64 bytes from 74.125.224.116: icmp_seq=1. time=21.722 ms
64 bytes from 74.125.224.116: icmp_seq=2. time=21.510 ms