内网PING 懂的来看

问题描述：

C:\Documents and Settings\Administrator>arp -d
C:\Documents and Settings\Administrator>arp -a
Interface: 192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.206 00-00-00-00-00-00 invalid
192.168.1.207 00-00-00-00-00-00 invalid
192.168.1.208 00-00-00-00-00-00 invalid
192.168.1.209 00-00-00-00-00-00 invalid
C:\Documents and Settings\Administrator>arp -a
Interface: 192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.206 00-00-00-00-00-00 invalid
192.168.1.207 00-00-00-00-00-00 invalid
192.168.1.208 00-00-00-00-00-00 invalid
192.168.1.209 00-00-00-00-00-00 invalid
192.168.1.210 00-00-00-00-00-00 invalid
192.168.1.211 00-00-00-00-00-00 invalid
192.168.1.212 00-00-00-00-00-00 invalid
C:\Documents and Settings\Administrator>arp -a
Interface: 192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.213 00-00-00-00-00-00 invalid
192.168.1.214 00-00-00-00-00-00 invalid
192.168.1.215 00-00-00-00-00-00 invalid
192.168.1.216 00-00-00-00-00-00 invalid
192.168.1.217 00-00-00-00-00-00 invalid
192.168.1.218 00-00-00-00-00-00 invalid
192.168.1.219 00-00-00-00-00-00 invalid
C:\Documents and Settings\Administrator>arp -a
Interface: 192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.1 00-22-aa-6b-98-cb dynamic
C:\Documents and Settings\Administrator>ping 192.168.1.1 -t
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time<1ms TTL=255
Reply from 192.168.1.1: bytes=32 time<1ms TTL=255
Ping statistics for 192.168.1.1:
Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
Control-C
^C
C:\Documents and Settings\Administrator>ping 192.168.1.1 -t
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=1ms TTL=255
Reply from 192.168.1.1: bytes=32 time<1ms TTL=255

Ping statistics for
192.168.1.1:
Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 1ms, Average = 0ms
Control-C
^C
C:\Documents and Settings\Administrator>arp -d

C:\Documents and Settings\Administrator>arp -a

Interface: 192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.1 00-22-aa-6b-98-cb dynamic

不明白为什么断网的时候那么多未知MAC地址，而且每次都不一样 断网的时候还有网关的MAC地址

问题解答：

中了arp了。