Moxa Technologies MGate MB3000 Modbus, Руководство пользователя, Страница: 63 / 89

MGate MB3000 Modbus Gateway User Manual 63
SNMP Agent
The SNMP Agent is a network-management for collecting and organizing information about managed
devices on IP network and for modifying the information on the device.
Parameters Description
SNMP
To enable the SNMP Agent function, select the Enable option, and enter a
community name (e.g., public).
Contact name
The optional SNMP contact information usually includes an emergency contact
name and telephone number.
Read community string
This is a text password mechanism that is used to weakly authenticate queries
to agents of managed network devices.
Write community string
This is a text password mechanism that is used to weakly authenticate changes
to agents of managed network devices.
SNMP agent version The MGate MB3000 Series supports SNMP V1, V2c, and V3.
Read-only and Read/write access control
While selecting SNMP agent version V3, it is needed to configure read-only and read/write access control
parameters. The following fields allow you to define usernames, passwords, and authentication parameters
for two levels of access: read-only and read/write. The name of the field will indicate which level of access it
refers to. For example,
Read-only authentication mode allows you to configure the authentication mode for
read-only access, whereas Read/write authentication mode allows you to configure the authentication
mode for read/write access. For each level of access, you may configure the following:
Parameters Description
Username Use this optional field to identify the username for the specified level of access.
Authentication
mode Use this field to select MD5 or SHA as the method of password encryption for the
specified level of access, or to disable authentication.
Privacy mode
Use this field to enable or disable DES_CBC data encryption for the specified level of
access.
Password Use this field to set the password for the specified level of access.
Privacy Use this field to define the encryption key for the specified level of access.