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5 Configuration D-Link Web Smart Switch User Manual
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dify 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 5.89 – 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.
Illegal Login: Events of incorrect password logins, recording the IP of the originating PC.
Port Link Up / Link Down: Copper port connection information.
RSTP Port State Change: Events of a RSTP port state changes.
Firmware Upgrade State: Information of firmware upgrade - success or failure.
PoE Power On / Off: Status of power per port (Only for DGS-1210-28P)
PoE Power Error: The four trap events are: power over loading, short circuit, thermal shutdown and
power deny (Only for DGS-1210-28P).
NOTE: The total PoE power budget is 185 watts
for DGS-1210-28P. The remaining 7watts is
reserved for the last PoE device to be connected
to the switch. The Power Deny trap message is
sent out when the switch hits the total power
budget and when a new Power Device (PD)
requests to connect to the switch at the same
time.
PoE Over Max Power Budget: When the system supplies power to PDs and hits the max PoE
power budget of 185 watts, the system will send out this trap message. (Only for DGS-1210-28P)
SNMP > SNMP > SNMP User
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.
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