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Table Of Contents  The TCP/IP Guide
 9  TCP/IP Application Layer Protocols, Services and Applications (OSI Layers 5, 6 and 7)
      9  TCP/IP Key Applications and Application Protocols
           9  TCP/IP File and Message Transfer Applications and Protocols (FTP, TFTP, Electronic Mail, USENET, HTTP/WWW, Gopher)
                9  TCP/IP General File Transfer Protocols (FTP and TFTP)
                     9  Trivial File Transfer Protocol (TFTP)

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TFTP Options and Option Negotiation
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 TCP/IP Electronic Mail System: Concepts and Protocols (RFC 822, MIME, SMTP, POP3, IMAP)
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TFTP Message Formats
(Page 5 of 5)

Option Acknowledgment Messages

OACK messages are used to acknowledge receipt of TFTP options. They are structured as shown in Table 239 and Figure 300.


Table 239: TFTP Option Acknowledgment Message Format

Field Name

Size (bytes)

Description

Opcode

2

Operation Code: Specifies the TFTP message type. A value of 6 indicates an Option Acknowledgment message.

Options

Variable

 


Figure 300: TFTP Option Acknowledgment Message Format

 

 


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TFTP Options and Option Negotiation
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 TCP/IP Electronic Mail System: Concepts and Protocols (RFC 822, MIME, SMTP, POP3, IMAP)
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