Specific port could not monitor

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Dear I have a switch that Cisco 3750, and PRTG 9.1.3.1793 Our many servers has connected to the switch. Actually, specific port could not monitor via PRTG. I tried specific port and it reconnect to empty port, then the specific port can monitor via PRTG .

Let me know What i am to do. Thanks .

prtg9 wmi

Created on Dec 28, 2011 5:54:41 AM by  kykwon (50) 2 1



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Hello. Sorry for my english. For example)
Step1, Network cable of test server connect to #2 port on the switch. --> Monitoring not OK.
Step2, Network cable of test server remove from #2 port on the switch
Step3, Network cable of test server connect to #4 empty port on the switch --> Monitoring OK..

I tried to compare two port (#2, #4) onto the Switch but i could not found difference.

Created on Dec 29, 2011 1:07:58 AM by  kykwon (50) 2 1

Last change on Dec 29, 2011 10:50:53 AM by  Torsten Lindner [Paessler Support] (19,480) 3 1



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hallo,

please explain this in more detail.

specific port could not monitor via PRTG. I tried specific port and it reconnect to empty port, then the specific port can monitor via PRTG .

that sounds very confusing

Created on Dec 28, 2011 11:03:26 AM by  Aurelio Lombardi [Paessler Support] (8,369) 3 1



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Hello. Sorry for my english. For example)
Step1, Network cable of test server connect to #2 port on the switch. --> Monitoring not OK.
Step2, Network cable of test server remove from #2 port on the switch
Step3, Network cable of test server connect to #4 empty port on the switch --> Monitoring OK..

I tried to compare two port (#2, #4) onto the Switch but i could not found difference.

Created on Dec 29, 2011 1:07:58 AM by  kykwon (50) 2 1

Last change on Dec 29, 2011 10:50:53 AM by  Torsten Lindner [Paessler Support] (19,480) 3 1



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Please check the "Connection State Handling"-Setting on those sensors, is it set to "Show alarm when disconnected on all sensors"?

Created on Dec 29, 2011 10:53:59 AM by  Torsten Lindner [Paessler Support] (19,480) 3 1



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