Snmpv3 usm user table information, Snmpv3 view table information – NEC N8406-022A User Manual

Page 33

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Command Line Interface 33


Table 17 SNMPv3 Information Menu options

Command Usage

dump

Displays all the SNMPv3 information.

SNMPv3 USM User Table information

Command: /info/sys/snmpv3/usm

usmUser Table:
User Name Protocol
-------------------------------- --------------------------------
adminmd5 HMAC_MD5, DES PRIVACY
adminsha HMAC_SHA, DES PRIVACY
v1v2only NO AUTH, NO PRIVACY

The User-based Security Model (USM) in SNMPv3 provides security services such as authentication and privacy of
messages. This security model makes use of a defined set of user identities displayed in the USM user table. The
USM user table contains information like:

the user name

a security name in the form of a string whose format is independent of the Security Model

an authentication protocol, which is an indication that the messages sent on behalf of the user can be
authenticated

the privacy protocol

The following table describes the SNMPv3 User Table information.

Table 18 SNMPv3 User Table parameters

Field Description

User Name

This is a string that represents the name of the user that you can use to access the switch.

Protocol

This indicates whether messages sent on behalf of this user are protected from disclosure using
a privacy protocol. switch software supports DES algorithm for privacy. The software also
supports two authentication algorithms: MD5 and HMAC-SHA.

SNMPv3 View Table information

Command: /info/sys/snmpv3/view

View Name Subtree Mask Type
------------------ ---------------------------- ------------- --------
iso 1 included
v1v2only 1 included
v1v2only 1.3.6.1.6.3.15 excluded
v1v2only 1.3.6.1.6.3.16 excluded
v1v2only 1.3.6.1.6.3.18 excluded

The user can control and restrict the access allowed to a group to only a subset of the management information in
the management domain that the group can access within each context by specifying the group’s rights in terms of
a particular MIB view for security reasons.

The following table describes the SNMPv3 View Table information.

Table 19 SNMPv3 View Table parameters

Field Description

View Name

Displays the name of the view.

Subtree

Displays the MIB subtree as an OID string. A view subtree is the set of all MIB object
instances which have a common Object Identifier prefix to their names.

Mask

Displays the bit mask.

Type

Displays whether a family of view subtrees is included or excluded from the MIB view.

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