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Kiwi Syslog Server and SNMP Traps on VMWare ESXi 4.0

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jusmax replied on Wed, Feb 24 2010 8:27 AM
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Good Day,

 

We are have an issue getting SNMP trap inputs to work on Kiwi v9. We have installed Kiwi on both a WinXP (with SNMP trap service) and Win2k3 Virtual Machine. When collecting syslogs it works fine. However when we configure the SNMP inputs under setup, we get a message stating that it "cannot open snmp listener on port 162" 

 

There was no other SNMP software installed as it suggested that the port is already bound to an interface. We then installed the Solarwinds Engineer's toolset on the VM and used the trap receiver. Once alarms were generated this worked well while Kiwi is still unable to receive the traps.

Finally, we used a standalone laptop and loaded Kiwi. Using the same address as the VM we were able to receive the SNMP traps from the device under test. The platform that Kiwi was loaded onto was WinXP with Trap service installed.

Any ideas anyone? Any assistance will be greatly appreciated. I saw in the forum something about UDP Spoofing being unable to work as well and I was wondering if it had any connection.

 

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SolarWinds Employee
Answered (Not Verified) Kuz replied on Wed, Feb 24 2010 1:59 PM
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Suggested by Kuz

Hi jusmax,

Kiwi Syslog Server does not require the SNMP Trap Service.  In fact, an active Trap Service will conflict with Kiwi Syslog Server's internal Trap Server, hence the "cannot open snmp listener on port 162" error message - because port 162 is locked by SNMP Trap Service.

You've got a couple of options here, either:

1) Stop the SNMP Trap Service.

2) Change Kiwi Syslog Servers default SNMP input port (Setup > Inputs > SNMP) from 162 to some other port, and reconfigure your devices to send SNMP traps on the new port.

Mike Kuzman - Lead Software Developer
Kiwi Syslog Server - Kiwi Syslog Web Access - SolarWinds Log Forwarder for Windows - Orion Core
SolarWinds |  network management simplified

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103 Posts
Points 1,043
SolarWinds Employee
Kuz replied on Wed, Feb 24 2010 2:03 PM
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BTW, if you really want to know what process has which port locked up, run netstat -aon from cmd.

Check for PID binding to UDP 0.0.0.0:162 (default SNMP port)

Correlating PID to Task Manager process list will tell you what process (name) has the lock.

 

Mike Kuzman - Lead Software Developer
Kiwi Syslog Server - Kiwi Syslog Web Access - SolarWinds Log Forwarder for Windows - Orion Core
SolarWinds |  network management simplified

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14 Posts
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jusmax replied on Wed, Feb 24 2010 2:31 PM
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Hi Kuz,

Thanks for your prompt reply and the suggestion. Let me give this a try and I will let you know. The only issue is that one of the devices that we are trying to get trap from does not allow us to change the UDP port on which traps are sent. I will give this a try and report my findings. Thanks.

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