
114070 Rev. B 2-1
Chapter 2
SNMP, RMON, BOOTP,
DHCP, and RARP Concepts
This chapter describes the concepts behind SNMP, RMON, BOOTP, DHCP, and
RARP services and how we implement them in Bay Networks routers. You can
use this information to decide how to customize SNMP, RMON, BOOTP, DHCP,
and RARP parameters for your system.
SNMP Overview
SNMP is a simple request/response protocol that communicates management
information between two types of SNMP software entities: SNMP applications
(also called SNMP managers) and SNMP agents.
SNMP applications contain manager software that runs on a network management
station (also known as an SNMP client), such as a PC or a workstation. The
manager software implements the protocols used to exchange data with SNMP
agents. SNMP applications issue queries to gather information about the status,
configuration, and performance of external network devices, called network
elements in SNMP terminology. Network elements contain an agent and perform
the network management function that the network management stations request.
The Bay Networks Site Manager software is an example of a network
management station, and the Bay Networks Backbone Node (BN) router is an
example of a network element.
The SNMP agent is a software entity that responds to information and action
request messages (SNMP Set and Get requests) sent by a network management
station (your Site Manager workstation). The messages exchanged between
manager and router SNMP agents in turn enable you to access and manage objects
in an active or inactive (stored) MIB on a particular router.
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