User manual

4 Configuration DES-1210 Metro Ethernet Managed Switch User Manual
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Port: Displays the port that has been error disabled.
Port State: Describes the current running state of the port, whether Enabled or Disabled.
Connection Status: This field will read the uplink status of the individual ports, whether Enabled or Disabled.
Reason: Describes the reason why the port has been error-disabled, such as a STP loopback occurrence.
System > SNMP Settings > SNMP Global State
Simple Network Management Protocol (SNMP) is an OSI Layer 7 (Application Layer) protocol designed
specifically for managing and monitoring network devices. SNMP enables network management stations to
read and modify the settings of gateways, routers, switches, and other network devices. Use SNMP to
configure system features for proper operation, monitor performance and detect potential problems in the
Switch or LAN.
Managed devices that support SNMP include software (referred to as an agent), which runs locally on the
device. A defined set of variables (managed objects) is maintained by the SNMP agent and used to manage
the device. These objects are defined in a Management Information Base (MIB), which provides a standard
presentation of the information controlled by the on-board SNMP agent. SNMP defines both the format of the
MIB specifications and the protocol used to access this information over the network.
The default SNMP global state is disabled. Select Enable and click Apply to enable the SNMP function.
Figure 4.23 – System > SNMP Settings > SNMP Global State
System > SNMP Settings > SNMP User Table
This page is used to maintain the SNMP user table for the use of SNMPv3. SNMPv3 allows or restricts users
using the MIB OID, and also encrypts the SNMP messages sent out between users and Switch.
Figure 4.24 – System > SNMP Settings > SNMP User Table
User Name: Enter a SNMP user name of up to 32 characters.
Group Name: Specify the SNMP group of the SNMP user.
SNMP Version: Specify the SNMP version of the user. Only SNMPv3 encrypts the messages.
Encrypt: Specifies the Encrypt is enabled or disabled when the SNMP Version is V3.
Auth-Protocol/Password: Specify either HMAC-MD5-96 or HMAC-SHA to be the authentication protocol.
Enter a password for SNMPv3 encryption in the right column.
Priv-Protocol/Password: Specify either no authorization or DES 56-bit encryption and then enter a
password for SNMPv3 encryption in the right column.
Click Apply to create a new SNMP user account, and click Delete to remove any existing data.