
SAMLEX AMERICA INC. | 85
SECTION 13 |
Web Monitoring and SNMP
13.4.1.4 Trap Interval
Select the time interval between repeated TRAPs. If any abnormal condition continues, a TRAP will be sent by
SNMP agent repeatedly till the condition is dismissed.
13.4.2 TRAP
TRAP is an active message sent by SNMP agent (This unit) whenever an abnormal situation is encountered
(Ex. UVP, OVP, OVERLOAD…etc). This message will be sent to SNMP Manager specified by “Trap Setup”
mentioned before.
13.4.3 SNMP Demonstration
There are several SNMP manager software (Free version / Paid version) over the Internet. For demonstration
“PowerSNMP Free Manager” (Free version), has been used. This has been downloaded from http://www.dart.
com/snmp-free-manager.aspx.
Demonstration is shown below:
Fig 13.9 Demonstration Screen 1 for SNMP
First, select “Tools” -> “LoadMIB…” to import the file – “samlexamerica.mib” (Fig 13.9).
The file - “samlexamerica.mib” is a text file, which can be opened by any text editor such as Notepad. And it
is more like a dictionary to translate SNMP OID (Object Identifier) into nature language.
On the right panel, we have a node - “49075 samlexamerica” (OID : 1.3.6.1.4.1.49075) in SNMP tree.
The file - “samlexamerica.mib” is a text file, which can be opened by any text editor such as Notepad. And it
is more like a dictionary to translate SNMP OID (Object Identifier) into nature language.
On the right panel, we have a node - “49075 samlexamerica” (OID : 1.3.6.1.4.1.49075) in SNMP tree (See Fig 13.10).
Содержание PSR-1200-24
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