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SNMP Setting
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 the DWL-P1012 features for proper operation, monitor and detect
potential problems in the DWL-P1012, 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 DWL-P1012 supports SNMP version 1. In SNMP v.1, user authentication is
accomplished using 'community strings', which function like passwords. The
remote user SNMP application and the DWL-P1012 SNMP must use the same
community string. SNMP packets from any station that have not been
authenticated are ignored (dropped).
The default community strings for the DWL-P1012 used for SNMP v.1
management access are:
public - Allows authorized management stations to retrieve MIB objects.
private - Allows authorized management stations to retrieve and modify MIB
objects.
Traps
Traps are messages that alert network personnel of events that occur on the
DWL-P1012. The events can range from System Start to PoE port status
change. The DWL-P1012 generates traps and sends them to the trap recipient
(or network manager). Typical traps include trap messages for Device boot up,
Authentication Failure and PoE status change.
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