如果在linux系统中ping某一台电脑的ip地址可以ping 通:
~ >: ping 192.168.1.3
PING 192.168.1.3 (192.168.1.3): 56 data bytes
64 bytes from 192.168.1.3: seq=0 ttl=64 time=2.511 ms
64 bytes from 192.168.1.3: seq=1 ttl=64 time=0.903 ms
64 bytes from 192.168.1.3: seq=2 ttl=64 time=0.916 ms
64 bytes from 192.168.1.3: seq=3 ttl=64 time=0.830 ms
64 bytes from 192.168.1.3: seq=4 ttl=64 time=0.912 ms
64 bytes from 192.168.1.3: seq=5 ttl=64 time=0.885 ms
--- 192.168.1.3 ping statistics ---
6 packets transmitted, 6 packets received, 0% packet loss
round-trip min/avg/max = 0.830/1.159/2.511 ms
~ >: ping 192.168.1.3
PING 192.168.1.3 (192.168.1.3): 56 data bytes
64 bytes from 192.168.1.3: seq=0 ttl=64 time=2.511 ms
64 bytes from 192.168.1.3: seq=1 ttl=64 time=0.903 ms
64 bytes from 192.168.1.3: seq=2 ttl=64 time=0.916 ms
64 bytes from 192.168.1.3: seq=3 ttl=64 time=0.830 ms
64 bytes from 192.168.1.3: seq=4 ttl=64 time=0.912 ms
64 bytes from 192.168.1.3: seq=5 ttl=64 time=0.885 ms
--- 192.168.1.3 ping statistics ---
6 packets transmitted, 6 packets received, 0% packet loss
round-trip min/avg/max = 0.830/1.159/2.511 ms
~ >:
即,可以ping通内外。
如果ping外网出现如下现象
~>:ping 4.2.2.2
ping:bad address '4.2.2.2'
和
~ >: ping www.baidu