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Configuring TFTP
Overview
TFTP provides functions similar to those provided by FTP, but it is less complex than FTP in interactive access
interface and authentication. It is more suitable in environments where complex interaction is not needed
between client and server.
TFTP uses the UDP port 69 for data transmission. For more information about TFTP basic operation, see RFC
13 50 .
In TFTP, file transfer is initiated by the client.
• In a normal file downloading process, the client sends a read request to the TFTP server, receives data
from the server, and then sends the acknowledgement to the server.
• In a normal file uploading process, the client sends a write request to the TFTP server, sends data to the
server, and receives the acknowledgement from the server.
TFTP transfers files in the following modes:
• Binary mode—Transfers files as raw data, like .app, .bin, and .btm files.
• ASCII mode—Transfers files as text, like .txt, .bat, and .cfg files.
Operation
Only the TFTP client service is available with your device.
Figure 2 TFTP configuration diagram
Before using TFTP, the administrator needs to configure IP addresses for the TFTP client and server, and make
sure that there is a reachable route between the TFTP client and server.
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