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Dear Support

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We have a situation here where the customer has 2 different links to reach the same branch office as a redundancy, the technology for in use only allows the customer to use one link at each time, in other words, if link 1 is up, link will be down, when link 2 is down, like 1 is up. For this situation we created 2 sensors, one for each link, but this is causing confusion here and we see the sensor for link 2 down most of the time. We would like this sensor to be paused instead of down, that would help us not having a down sensor in our monitoring all the time. For a sensor to paused while another sensor is UP we think it would be necessary to have some sort of “inverted” dependency, in other words, we only start monitoring the second sensor when another sensor is down. Is that possible with PRTG? Is there any other solution you would suggest?

Thanks.

link prtg9 ups

Created on Feb 2, 2012 3:14:37 PM



4 Replies

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Dear Daniel,

I'm afraid such an 'inverted dependency' is not available, and I'm afraid don't really see a way to solve this.

best regards.

Created on Feb 2, 2012 4:50:41 PM by Torsten Lindner [Paessler Support]



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Hi Daniel,

How about auto acknowledge the down sensors and next use the SensorCount sensor to count the number of acknowledged sensors.

Use the channels tab to enable limits and set this sensor to an error state if the number of acknowledged sensors is more than 1.

For practical reasons the two original sensors need to be placed in the same device group.

Regards,

Created on Feb 2, 2012 6:24:48 PM



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Hi Gerard,

Thanks for the reply. We tried to setup your suggestion but we ran into a problem. We have a big screen TV on our monitoring that present PRTG console but only sensors that have an error status (Alarms-> Errors Only). When we acknoledge the sensor state it still appers in this screen, so for this cenario where we are going to have a sensor down while another is up, we are going to have allways some sensors acknoleged being presented on this screen and this will make our monitoring difficult. Is there any way we can make the acknoleged sensor not appear in the errors only screen.

Thanks

Natasha

Created on Feb 3, 2012 6:46:36 PM



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Hi Daniel/Natasha

For the acknowledged sensors not to show in the errors screen, navigate to the errors screen and change the url from:

/alarms.htm?filter_status=5&filter_status=13&filter_status=14

To: 

/alarms.htm?filter_status=5&filter_status=14

Regards,

Created on Feb 5, 2012 11:06:09 AM




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