[R2]ping 192.168.100.1 //测试是否可以ping通
PING 192.168.100.1: 56 data bytes, press CTRL_C to break
Reply from 192.168.100.1: bytes=56 Sequence=1 ttl=255 time=100 ms //可以ping通
Reply from 192.168.100.1: bytes=56 Sequence=2 ttl=255 time=80 ms
Reply from 192.168.100.1: bytes=56 Sequence=3 ttl=255 time=70 ms
Reply from 192.168.100.1: bytes=56 Sequence=4 ttl=255 time=80 ms
Reply from 192.168.100.1: bytes=56 Sequence=5 ttl=255 time=60 ms
--- 192.168.100.1 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 60/78/100 ms
[R2]quit