ADTRAN Express 4100 Manual de usuario descargar pdf (Pagina 168)

Appendix C. SNMP

C-2 Express 4100/4110 User Manual 61200176L2-1

response to the network manager. The network manager 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.

• Tr a 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.

SNMP Embedded Agent

The Express 4100/4110 supports the following groups from MIB-II: (RFC

1213)

• System Group

• UDP Group

• Interfaces Group

•ICMP Group

• Address Translation Group

•IP Group

•TCP Group

Also, the Ethernet transmission MIB is supported (RFC 1643).

The following manager requests are supported:

• Get object

• Get next object

• Set object

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ADTRAN Express 4100 Manual de usuario Pagina 168