Sending call the send function such as topic, UDP, 1024 or less than 1024 bytes at a time when the speed quickly, but when a time is set to more than 1025 bytes, speed decrease, this is how to return a responsibility?? The largest MTU 1500 bytes, isn't it? There should be no subcontract!

CodePudding user response:

There are other head, tail, etc. The data part occupies a space

CodePudding user response:

MTU is can be configured in the middle of the equipment set up little cause to unpacking the MTU
And 1500 is the maximum removal of baotou the actual should be around 1470

CodePudding user response:

Use wireshark caught a look