ZyXEL VMG4825 User Guide - Page 227
Overview, The SNMP Screen
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CHAPTER 30 SNMP 30.1 Overview This chapter explains how to configure the SNMP settings on the VMG. 30.2 The SNMP Screen Simple Network Management Protocol is a protocol used for exchanging management information between network devices. Your VMG supports SNMP agent functionality, which allows a manager station to manage and monitor the VMG through the network. The VMG supports SNMP version one (SNMPv1) and version two (SNMPv2c). The next figure illustrates an SNMP management operation. Figure 142 SNMP Management Model An SNMP managed network consists of two main types of component: agents and a manager. An agent is a management software module that resides in a managed device (the VMG). An agent translates the local management information from the managed device into a form compatible with SNMP. The manager is the console through which network administrators perform network management functions. It executes applications that control and monitor managed devices. The managed devices contain object variables/managed objects that define each piece of information to be collected about a device. Examples of variables include such as number of packets received, node port status etc. A Management Information Base (MIB) is a collection of managed objects. SNMP allows a manager and agents to communicate for the purpose of accessing these objects. VMG4825-B10A User's Guide 227