方法二:
在交换机上执行Ping操作的前后通过执行display icmp statistics命令查看bad checksum观察ICMP协议层面的Checksum错误包计数是否一直增长。
<HUAWEI> display icmp statistics Input: bad formats 0
bad checksum 3 echo 8 destination unreachable 0 source quench 0 redirects 0 echo reply 0 parameter problem 0 timestamp request 0 information request 0 mask requests 0 mask replies 0 time exceeded 0 timestamp reply 0 Mping request 0 Mping reply 0 Output:echo 0 destination unreachable 0 source quench 0 redirects 0 echo reply 8 parameter problem 0 timestamp request 0 information reply 0 mask requests 0 mask replies 0 time exceeded 0 timestamp reply 0 Mping request 0 Mping reply 0
从上述回显可以看出,Checksum错误包计数一直增长。