Quantum I40 Betriebsanweisung PDF herunterladen (Seite 12)

Chapter 1: Description

SNMP Community Strings

8 Scalar i40 and Scalar i80 Basic SNMP Reference Guide

SNMP Queries SNMP queries, or GET queries, can be initiated on a periodic basis by the

framework application. By querying the MIB, hosts can gather status

information about specific components of the library. Frequent MIB

queries are not required, however, since the SNMP agent is event-driven,

it provides updated data if a TRAP alerts of an event or status change.

Caution: As with any SNMP device, excessive MIB queries can result

in performance degradation for the SNMP daemon, as well

as for the network.

GETs must also include an instance ID. The instance identifies a specific

device from which you can retrieve status information. For example, to

determine if the second partition on a Scalar i40 and Scalar i80 is online,

access the MIB variable for logical library online status and select the

instance for partition 2.

SNMP Community Strings

An SNMP community string is a text string that acts as a password to

authenticate messages sent between the SNMP remote management

application and the device (the SNMP agent). SNMP Get and Get-next

requests are valid only if the community string in the request matches

the community string at the device. If the community strings do not

match, either modify the community string at the device so that it is the

string that the management station expects, or modify the

management station so that it uses the device’s community strings.

The community string is included in every SNMPv1 and SNMPv2C packet

transmitted between the SNMP manager and the SNMP agent. This

string is case sensitive, cannot be empty, and cannot exceed 32

characters.

Use this procedure to configure the read-only SNMP community string.

1 Log in to the Web client.

2 Select Setup > Network Management > SNMP.

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Quantum I40 Betriebsanweisung Seite 12