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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 Network Configuration and Management Protocols (BOOTP, DHCP, SNMP and RMON)
           9  TCP/IP Network Management Framework and Protocols (SNMP and RMON)
                9  TCP/IP Simple Network Management Protocol (SNMP) Protocol
                     9  SNMP Protocol Messaging and Message Formats

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SNMP Version 1 (SNMPv1) Message Format
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SNMP Version 3 (SNMPv3) Message Format
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SNMP Version 2 (SNMPv2) Message Formats
(Page 4 of 6)

User-Based SNMP Version 2 (SNMPv2u) Message Format

SNMPv2u was defined as an optional security model at the time that SNMPv2c was standardized. RFC 1910 defines the user-based security model and the message format described in Table 217 and Figure 282.


Table 217: User-Based SNMP Version 2 (SNMPv2u) General Message Format

Field Name

Syntax

Size (bytes)

Description

Version

Integer

4

Version Number: Describes the SNMP version number of this message; used for ensuring compatibility between versions. For SNMPv2u, this value is 2. Note that this is the same value as used for SNMPv2p.

Parameters

Octet String

Variable

 

PDU

Variable

Protocol Data Unit: The PDU being communicated as the body of the message. This may be in either encrypted or unencrypted form.



Figure 282: User-Based SNMP Version 2 (SNMPv2u) General Message Format

 


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