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DES-3200-10/18/28/28F Layer 2 Ethernet Managed Switch User Manual
Figure 2 - 31. MAC Notification Port Settings window
The following parameters may be modified:
Parameter Description
From Port/To
Port
Select a port or group of ports to enable for MAC notification using the pull-down menus.
State
Enable MAC Notification for the ports selected using the pull-down menu.
Click Apply to implement changes.
SNMP Settings
Simple Network Management Protocol (SNMP) is an OSI Layer 7 (Application Layer) 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, switch group or network.
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 Switch supports the SNMP versions 1, 2c, and 3. Choose which version to monitor and control the Switch. The
three versions of SNMP vary in the level of security provided between the management station and the network
device.
In SNMP v.1 and v.2, user authentication is accomplished using 'community strings', which function like passwords.
The remote user SNMP application and the Switch SNMP must use the same community string. SNMP packets from
any station that has not been authenticated are ignored (dropped).
The default community strings for the Switch used for SNMP v.1 and v.2 management access are:
• public - Allows authorized management stations to retrieve MIB objects.
• private - Allows authorized management stations to retrieve and modify MIB objects.
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