Linksys LGS308, Руководство пользователя

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4. Include or exclude the MIB object from the view. If Include Object is selected, the MIB
objects are included in the view, otherwise they are excluded.
5. Click Apply .
6. In order to verify your view configuration, select the user-defined views from the View
Name list. The following views exist by default:
•
Default—Default SNMP view for read and read/write views.
•
DefaultSuper—Default SNMP view for administrator views. Other views can be
added.
•
Object ID—Displays the Object ID and its subtree to be included or excluded in the
SNMP view.
•
Object View—Displays whether the defined object and its subtree are included or
excluded in the selected SNMP view.
Groups
In SNMPv1 and SNMPv2, a community string is sent along with the SNMP frames. The community
string acts as a password to gain access to an SNMP agent. However, neither the frames nor the
community string are encrypted. Therefore, SNMPv1 and SNMPv2 are not secure.
In SNMPv3, the following security mechanisms can be configured:
•
Authentication—The device checks that the SNMP user is an authorized system
administrator. This is done for each frame.
•
Privacy—SNMP frames can carry encrypted data. Thus, in SNMPv3, there are three levels
of security:
•
No security (No authentication and no privacy)
•
Authentication (Authentication and no privacy)
•
Authentication and privacy