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    VMWare Pentest lab: Extremely high CPU on host

    Scheduled Pinned Locked Moved Virtualization
    85 Posts 29 Posters 72.6k Views
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    • J
      jp141
      last edited by

      Yes I got exactly the same, the problem is as everyone is accessing the environment via ipsec tunnels or the ssl vpn all it takes is for one user to do a download and everyone's sessions jump about or die totally :(

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      • S
        Supermule Banned
        last edited by

        Have you read this?

        http://doc.pfsense.org/index.php/VPN_Capability_IPsec

        No overlapping networks….

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        • J
          jp141
          last edited by

          Yeah deffo no overlapping networks

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          • S
            Supermule Banned
            last edited by

            Allright :) Do you have a 4.x vmware test platform??

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            • J
              jp141
              last edited by

              Yeah

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              • S
                Supermule Banned
                last edited by

                Can you test there to see if its a 5.x issue then?

                Rather keep it in a VM than on physical hardware for the flexibility :)

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                • J
                  jp141
                  last edited by

                  Yeah I am willing to give that a go, but I need to drive a way to the DC to do the upgrade that's why I was asking if anyone had tried it, I didn't want a wasted trip :)

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                  • J
                    jp141
                    last edited by

                    Nope the upgrade to 5.1 U1 didnt fix it :(

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                    • S
                      Supermule Banned
                      last edited by

                      Try the 4.1 instead.

                      It could be interesting to see if its a 5.x issue.

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                      • J
                        jp141
                        last edited by

                        I was on 4.1, I just went to 5.1 :)

                        Its not as bad with 5.1 and 5.1 seems to manage the cpus much better all machines are using less but it is still unusable :(

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                        • S
                          Supermule Banned
                          last edited by

                          Hmmmm that is pretty weird!!

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                          • J
                            jp141
                            last edited by

                            Eurika, I think I may have fixed it!!!!!!!!!!!!!

                            Just doing some testing now  ;D

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                            • J
                              jp141
                              last edited by

                              It would appear that I have resolved this in my situation anyway.

                              It turned out to be the physical nic setting in vmware was set to 100meg full duplex.

                              I changed this to auto negotiate and it still negotiates to 100meg full deplux but the problem totally goes away!!

                              If I switch it back to specifying 100meg full duplex I get the problem again so it is defiantly that setting.

                              Thanks for the help Supermule

                              So if anyone is having similar issues check this setting!

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