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Element Timing out, Stream Viewer shows an “Undefined” group ~ Redundant Polling, change connection

185 views2 days ago
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Juan Chavez383 15th August 2025 1 Comment

Hello,

I have an two of four Elements Timing out , I see  Stream Viewer shows an "Undefined" group ~ Redundant Polling, change connection

I compare side by side timing our and not timing out element / stream viewer windows and see the following undefined group with the following messages

RedundantPolling, change connection, entering 1 RedundantPolling, change connection, leaving 1 RedundantPolling, change connection, entering 0 RedundantPolling, change connection, leaving 0 RedundantPolling, change connection, entering 1

Elements are running same protocol version, devices are running same firmware, nothing has changed, all four were connected until we started noticing timing out. Ive tried duplicating and assigning the element to another DMA but issue persist. Ive checked firewall rules and nothing has changed all SNMP traffic is allow.

Heres a screen shot of groups side by side

Juan Chavez Answered question 2 days ago
Bhavana Malviya commented 22nd August 2025

Hi Juan,
As I checked the screnshot I was looking for snmp secondary connection can you help me where you from get the snmp connection have you made any changed in protocol.xml file.can you please help

2 Answers

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Flavio Meneses [SLC] [DevOps Enabler]1.14K Posted 29th August 2025 0 Comments

Hi Juan,

The connector in question uses the redundant polling feature (docs), which allows DataMiner to switch to a secondary connection if the primary one times out. This is why you are seeing the "change connection" message in the Stream Viewer.

To troubleshoot further, have you tested connectivity to the target IP and Port from the host where DataMiner is installed? You can use PowerShell’s Test-NetConnection cmdlet for this purpose.

If the test is successful, you might also want to use a MIB browser to verify whether the device is responding to SNMP requests. This can help confirm that the SNMP communication is functioning as expected.

Hope this helps!

Flavio Meneses [SLC] [DevOps Enabler] Answered question 29th August 2025
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