Adtran Express L768 Manual de usuario descargar pdf (Pagina 132)

Appendix C. SNMP

C-2 Express L768 User Manual 61203192L1-20

er collects all the data from the various network devices and presents

it in a consistent form.

Using SNMP Version 1, the network manager can issue three types of

commands:

• GetRequest: This command retrieves a single item or the first in

a series from a network device.

• GetNextRequest: This command retrieves the next item in a

series from a network device.

• SetRequest: This command writes information to a network

device.

The network device issues two types of messages:

• GetResponse: This message is the response to a network

manager GetRequest or GetNextRequest command.

• Tra p: This is an unsolicited message issued by a network device

to report an operational anomaly or an alarm condition to the

network manager.

These messages are typically encased within informational packets

and transported over the LAN or WAN.

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Adtran Express L768 Manual de usuario Pagina 132