如何确定MTU

如何确定MTU：
下载https://elifulkerson.com/projects/mturoute.php

电脑直连光猫，用windows自带的拨号后进行测试

在命令行内运行

mturoute.exe -f qq.com

* ICMP Fragmentation is permitted. *
* Speed optimization is enabled. *
* Maximum payload is 10000 bytes. *
...- ICMP payload of 1472 bytes failed. (IP_REQ_TIMED_OUT)
+ ICMP payload of 92 bytes succeeded.
+ ICMP payload of 782 bytes succeeded.
+ ICMP payload of 1127 bytes succeeded.
+ ICMP payload of 1299 bytes succeeded.
+ ICMP payload of 1385 bytes succeeded.
+ ICMP payload of 1428 bytes succeeded.
+ ICMP payload of 1450 bytes succeeded.
.- ICMP payload of 1461 bytes failed. (IP_REQ_TIMED_OUT)
.- ICMP payload of 1455 bytes failed. (IP_REQ_TIMED_OUT)
+ ICMP payload of 1452 bytes succeeded.
.- ICMP payload of 1453 bytes failed. (IP_REQ_TIMED_OUT)
Max ping: 1480 bytes.


如上提示，则MTU是1480