Browse "Monitoring SNMP" Questions:

Q7050025: Is the Windows SNMP Trap Service required to receive SNMP Traps with Network Monitor?
No, it is not required. It is even not possible to receive traps through SNMP with Network Monitor while the Windows SNMP Trap Service is running, unless you specify a different port for the ActiveXperts trap listener. If you have the Windows SNMP Traps Service running (default on port 162), ActiveXperts Network Monitor will NOT be able to receive incoming SNMP Traps. ActiveXperts opens an UDP socket (default port 162) to listen for incoming traps; only one process at a time can listen for packets on...
Network Monitor > Monitoring SNMP

Q7050027: When I try to start listening for incoming traps, I get a SYSTEM ERROR in my Network Monitor log saying: "Failed to listen for incoming SNMP traps. Either the port is in use, or the Windows SNMP trap service is started". I'm pretty sure that no other SNMP process is running.
Please double check on your system, to make sure no other SNMP receiver is running. By default, SNMP trap receivers listen on port 162. To do so, start a new command prompt, and type 'netstat -a -p udp'. In the resulting list, make sure that default port 162 is not listed.
Network Monitor > Monitoring SNMP

Q7050020: Is the Windows SNMP Trap Service required to send out SNMP Traps from Network Monitor?
No, this is not required. ActiveXperts SNMP Trap notifications do not rely on this service. If you need the Windows SNMP Trap Service for other applications, ActiveXperts will still be able to send out SNMP Trap notifications.
Network Monitor > Monitoring SNMP

Q7050015: I want to monitor devices through SNMP. Is the Windows SNMP Service required to be installed and running?
No, the ActiveXperts SNMP Get check does NOT require the Windows SNMP Service to be installed and/or running. The check does not rely on this service. If you need the Windows SNMP Service for other applications, ActiveXperts will still be able to perform checks through SNMP.
Network Monitor > Monitoring SNMP

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