Acronym for Trivial File Transfer Protocol.
So named because it does nothing but transfer files. There are no configurable ports (it always runs on port 69), no passive transfers, nothing.
You install a TFTP server and point it at a directory. Then, you give your client an IP address, you point it at the IP address of a TFTP server, and say 'get filename'. If that filename is in the directory, the TFTP server will send it to the client.
TFTP can be used to get the boot image onto a DisklessWorkstation; see DisklessWorkstationNotes.
Getting firmware onto a network device is invariably done with TFTP. M1122 supports it in it's ROM monitor. So do almost everything CiscoSystems have ever made.
