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[perfsonar-user] periodicity in packet loss measurements.


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  • Subject: [perfsonar-user] periodicity in packet loss measurements.
  • Date: Mon, 9 Jan 2017 10:17:01 +0000
  • Accept-language: en-GB, en-US
  • Ironport-phdr: 9a23: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

We are seeing a regular packet loss on our hosts running latency measurements which occur around midnight ( effects the bin measurements between 2300 and 0100).

Analysis leads us to believe that this is a problem with the setup of our host rather than a network issue. ( happens on both IPv4 and separate ipv6 infrastructure. It effects  measurements  both LAN and WAN  measurements.)  The attached plots show some of the effected links.  (This signal was a lot clearer last week  buth we have had some extra packetloss  this week creating background losses to this signal.

Has anyone see a similar effect before?

Brian

 




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