SNMP TrapView can be used to receive and display SNMP traps from cab printers. To receive traps you have to configure a printers SNMP Agent to let it know when to send a message and to which receivers address. Please refer to chapter SNMP Agent for more details.
A trap is a physically a datagram packet (based on the Internet UDP protocol) containing some information. This is depending on the implementation and the kind of the SNMP version in use.
Note:
Because of the use of the UDP protocol it is not always necessary to receive
the traps, which means that you are not forced to have a program running to
receive them. If there is no data sink available the trap will be ignored.
On the other side, a trap can be ignored without notification.
To start SNMP TrapView you have to go Tools -> SNMP Trap Daemon. A SNMP trap daemon will be starting, listening on the SNMP trap port available.
The SNMP Trap View (See Picture 1) application window is divided in two parts. The upper part is containing a trap history. The second and lower part is used to display detailed trap information.
Picture 1: SNMP TrapView Dialogue
To view detailed information just select a trap in the table (Upper part). The trap information will be displayed (Lower part). The latest trap is on the top of the table.
Note:Closing the program will shutdown the SNMP trap daemon
Beside the trap history you will be notified by a message-box, see Picture 2, which will pop up after a trap has been received.
Picture 2: SNMP Trap Message