@
10935336 root@aml:~# ping -c 3 -s 1452 -M do
www.163.comPING
www.163.com.lxdns.com (183.201.225.115) 1452(1480) bytes of data.
1460 bytes from 183.201.225.115 (183.201.225.115): icmp_seq=1 ttl=54 time=14.9 ms
1460 bytes from 183.201.225.115 (183.201.225.115): icmp_seq=2 ttl=54 time=14.6 ms
1460 bytes from 183.201.225.115 (183.201.225.115): icmp_seq=3 ttl=54 time=14.3 ms
root@aml:~# ping -c 3 -s 1453 -M do
www.163.comPING
www.163.com.lxdns.com (183.201.234.164) 1453(1481) bytes of data.
ping: local error: Message too long, mtu=1480
ping: local error: Message too long, mtu=1480
ping: local error: Message too long, mtu=1480