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How to Verify That Your SNMP Device is Sending Traps

Previous Page: Practical guide to SNMP Troubleshooting
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If traps aren't being properly sent from your SNMP device, they obviously won't make it to their destinations. Your SNMP device may have a debug mode option. Once in debug mode, you will see a display of traps being sent out by the device. By creating events at the site and watching the debug-mode trap display, you can determine whether traps are trying to be sent. Remember that you may need to reconfigure the remote to send a trap in response to the event you're generating. DPS Telecom remotes can be configured to send traps on a point-by-point basis.

Another testing method is to look for a coldstart trap following a bootup. Power cycle your device and watch for the trap that, on many SNMP devices, is sent when booting. Check your device documentation to ensure that you don't waste time looking for a coldstart trap that your device isn't designed to send.

If traps are not being sent, you have an issue with your SNMP device. If they are being sent, check your network setup, firewalls, MIB files, and trap formats using the other sections of this guide.


Easy SNMP debugging with the NetGuardian.

NetGuardian 832A

If you have a NetGuardian RTU, you can easily verify that it is sending traps correctly:

  1. Open a Telnet connection to the NetGuardian in HyperTerminal or other Telnet-capable software.
  2. Enter your NetGuardian password to log in.
  3. Press 'd' to reach the debug menu.
  4. Press 'r' to enter Report Mode.
  5. Generate an event at the site that would normally trigger an SNMPtrap.
  6. Watch for SNMP traps to be reported in your Telnet session. If traps are properly shown in Report Mode, the problem is not with your NetGuardian RTU.

Tech Support

Chris Hower
Chris Hower
Tech Support

The NetGuardian, the T/Mon NOC, and every other DPS Telecom product includes comprehensive technicial support. If you've purchased a DPS product and are encountering SNMP issues, contact DPS Tech Support today at 559-454-1600.

At DPS Telecom, the representative who answers your call isn't an intern reading from a script. DPS Tech Support representatives are engineers who contribute to product development. And, if your problem requires additional expertise, the DPS Engineering Department that designed your product is right down the hall.


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