2 snmpv3 users – PLANET GS-5220-16S8C User Manual

Page 82

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User’s Manual of GS-5220 Series

4.3.5.2 SNMPv3 Users

Configure SNMPv3 users table on this Page. The entry index keys are Engine ID and User Name. The SNMPv3 Users screen

in

Figure 4-3-5

appears.

Figure 4-3-5:

SNMPv3 Users Configuration Page Screenshot

The Page includes the following fields:

Object

Description

Delete

Check to delete the entry. It will be deleted during the next save.

Engine ID

An octet string identifying the engine ID that this entry should belong to. The

string must contain an even number(in hexadecimal format) with number of digits

between 10 and 64, but all-zeros and all-'F's are not allowed. The SNMPv3

architecture uses the User-based Security Model (USM) for message security

and the View-based Access Control Model (VACM) for access control. For the

USM entry, the usmUserEngineID and usmUserName are the entry's keys.

In a simple agent, usmUserEngineID is always that agent's own snmpEngineID

value. The value can also take the value of the snmpEngineID of a remote SNMP

engine with which this user can communicate. In other words, if user engine ID

equal system engine ID then it is local user; otherwise it's remote user.

User Name

A string identifying the user name that this entry should belong to. The allowed

string length is 1 to 32, and the allowed content is ASCII characters from 33 to

126.

Security Level

Indicates the security model that this entry should belong to. Possible security

models are:

NoAuth, NoPriv

: None authentication and none privacy.

Auth, NoPriv

: Authentication and none privacy.

Auth, Priv

: Authentication and privacy.

The value of security level cannot be modified if entry already exist. That means

must first ensure that the value is set correctly.

Authentication

Protocol

Indicates the authentication protocol that this entry should belong to. Possible

authentication protocol are:

None

: None authentication protocol.

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