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Configuration D-Link Web Smart Switch User Manual
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Figure 5.100 – ACL > ACL Finder
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.
SNMP > SNMP > SNMP Global Settings
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 Enabled and click Apply to enable the SNMP function.
Figure 4.96 – SNMP > SNMP > SNMP Global Settings
Trap Settings: Specifies whether the device can send SNMP notifications.
SNMP Authentication Traps: Specifies the device to send authentication failure notifications.
Device Bootup: System boot-up information.
Port Link Up / Link Down: Port connection information.
RSTP Port State Change: Events of a RSTP port state changes.
Firmware Upgrade State: Information of firmware upgrade - success or failure.
Loopback occurring and recovery: The port status of Loopback Detection.
This window 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.
SNMP > SNMP > SNMP User