D-Link DSN-6120 User Manual page 40

Figure 4.2.5.1
"SNMP" allows up to 3 SNMP trap addresses. Default community setting is "public". User
can choose the event log levels and default setting enables ERROR and WARNING event
log in SNMP. There are many SNMP tools. The following web sites are for your reference:
SNMPc: http://www.snmpc.com/
Net-SNMP: http://net-snmp.sourceforge.net/
If necessary, click "Download" to get MIB file and import to SNMP.
To use "Messenger", user must enable the service "Messenger" in Windows (Start 
Control Panel  Administrative Tools  Services  Messenger), and then event logs can
be received. It allows up to 3 messenger addresses. User can choose the event log levels
and default setting enables the WARNING and ERROR event logs.
Using "System log server", user can choose the facility and the event log level. The
default port of syslog is 514. The default setting enables event level: INFO, WARNING and
ERROR event logs.
There are some syslog server tools. The following web sites are for your reference:
WinSyslog: http://www.winsyslog.com/
Kiwi Syslog Daemon: http://www.kiwisyslog.com/
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