When will a TCP network packet be fragmented at the application layer?

Question

When will a TCP packet be fragmented at the application layer? When a TCP packet is sent from an application, will the recipient at the application layer ever receive the p

Answer 1

If a 3000 byte packet enters an Ethernet network with a default MTU size of 1500 (for ethernet), it will be fragmented into two packets of each 1500 bytes in length. That is the only time I can think of.

Wireshark is your best bet for checking this. I have been using it for a while and am totally impressed