Chapter 2. SNMPv3 and Network Management

Having seen the reasons why network management is needed, we now delve a little more deeply into SNMPv3. We look at the SNMPv3 message formats and see how this version of SNMP provides some useful new message types as well as strong security. We then review some of the problems affecting all versions of SNMP.

We described in Chapter 1, “Large Enterprise Networks,” that SNMP is essentially a network management data access technology. As such, SNMP is an enabler for a variety of applications including NMS products. However, other applications, such as MIB browsers, also use SNMP. We take a look at some sample output from one of our two handcrafted SNMP applications, described later in Chapter 7, “Rudimentary ...

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