Appendix A. Understanding Snmp - ADTRAN TDU 120e User Manual

Appendix A. Understanding SNMP

Commands
A-2
MIB
This is an index to the organized data within a network
device. It defines the operating parameters that can be
controlled or monitored. When requesting the network
manager to retrieve or modify a particular piece of infor-
mation about a network device, the network manager
transmits the request to that network device. The agent
in that device interprets the incoming request, performs
the requested task, and sends its response to the network
manager. The network manager collects all the data from
the various network devices and presents it in a consis-
tent form.
Using SNMP Version 1, the network manager can issue
three types of commands:
GetRequest
Retrieves a single item or the first in a series from a net-
work device.
GetNextRequest
Retrieves the next item in a series from a network device.
SetRequest
Writes information to a network device.
TDU 120e User Manual 61202156L2-1