PC Ping vs. Cisco Ping
ping排错功能的强大不在话下，下面着重对PC机上win系统的ping过程和cisco路由器上的ping的过程的差异进行研究。 首先在PC上，带上-f参数，并指定源数据包大小，ping网关：C:>ping 172.16.5.254 -l 1472 -f
Pinging 172.16.5.254 with 1472 bytes of data:
Reply from 172.16.5.254: bytes=1472 time=1ms TTL=255
Reply from 172.16.5.254: bytes=1472 time=1ms TTL=255
Reply from 172.16.5.254: bytes=1472 time=1ms TTL=255
Reply from 172.16.5.254: bytes=1472 time=1ms TTL=255
Ping statistics for 172.16.5.254:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 1ms, Average = 1ms
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