Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Uživatelský manuál stáhnout pdf (Strana 26)

Management Options

Catalyst 1900 Series Installation and Configuration Guide

1-26

Figure 1-7 shows how the SNMP agent gathers data from the MIB ﬁle, which holds

information about device parameters and network data. The agent can send traps, or

notiﬁcation of certain events, to the manager.

Figure 1-7 SNMP Network

Note Make sure you use the correct Read and Write community strings so that your

SNMP request does not fail. Refer to the SNMP Management Page or the Network

Management (SNMP) READ Conﬁguration Menu and Network Management (SNMP)

WRITE Conﬁguration Menu for the correct community strings.

The SNMP manager uses information in the MIB ﬁles to perform the operations described

in Table 1-12.

Table 1-12 SNMP Manager Operations

Operation Description

get-request Retrieves a value from a speciﬁc variable.

get-next-request Retrieves a value from a variable within a table.

1 An SNMP manager does not need the exact variable name. It sequentially searches to find the needed variable

from within a table.

get-response Reply to a get-request, get-next-request, and set-request sent by an NMS.

set-request Store a value in a speciﬁc variable.

trap Send an unsolicited message from an SNMP agent to an SNMP manager

indicating that some event has occurred.

Get-request, Get-next-request,

Get-bulk, Set-request

Network device

Get-response, traps

S1203a

SNMP Manager

NMS

MIB

SNMP Agent

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 37 38

Žádné komentáře

Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Uživatelský manuál Strana 26