Smc-networks SMC TigerStack IV SMC6224M Uživatelský manuál stáhnout pdf (Strana 50)

100

101

NITIAL

ONFIGURATION

2-12

When SNMP management stations send requests to the switch (either to

return information or to set a parameter), the switch provides the

requested data or sets the specified parameter. The switch can also be

configured to send information to SNMP managers (without being

requested by the managers) through trap messages, which inform the

manager that certain events have occurred.

Community Strings

Community strings are used to control management access to SNMP

stations, as well as to authorize SNMP stations to receive trap messages

from the switch. You therefore need to assign community strings to

specified users or user groups, and set the access level.

The default strings are:

• public - with read-only access. Authorized management stations are

only able to retrieve MIB objects.

• private - with read-write access. Authorized management stations are

able to both retrieve and modify MIB objects.

Note: If you do not intend to utilize SNMP, we recommend that you

delete both of the default community strings. If there are no

community strings, then SNMP management access to the switch

is disabled.

To prevent unauthorized access to the switch via SNMP, it is

recommended that you change the default community strings.

To configure a community string, complete the following steps:

1. From the Privileged Exec level global configuration mode prompt,

type “snmp-server community string mode,” where “string” is the

community access string and “mode” is rw (read/write) or ro (read

only). Press <Enter>. (Note that the default mode is read only.)

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