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    Captive Portal per User Bandwidth limits from RADIUS ignored

    2.0-RC Snapshot Feedback and Problems - RETIRED
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    • C
      communig8
      last edited by

      Hi, Sorry if I've missed some stuff in this posting but this my first here so please be kind :-)

      I am testing pfSense 2.0 to replace a Captive Portal configuration based on DD-WRT Chilli-Spot that will be used in a number of locations.
      The current Captive Portal (Chilli-Spot) is working with RADIUS authentication and uses the WISPr bandwidth control attributes.
      So obviously I have configured pfSense to using RADIUS authentication and per user bandwidth.

      I have found that the bandwidth control values provided by RADIUS seem to be ignored and that speed tested connections going through
      pfSense run at the full speed of the connected network. In order to test that the rest of the configuration was ok for per user bandwidth limits
      I have tested with Captive Portal authentication set to Local and none. In both cases the default band width configured on the Captive Portal
      page is honoured on a speed test. I have run a network trace to verify that the correct WISPr vendor ID and attributes are in use.

      Have I missed something?
      Thanks for your help.

      Using pfSense 2.0-RC1 (i386) built on Tue Apr 19 23:03:17 EDT 2011

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      • E
        eri--
        last edited by

        Show your CP configuration since that is important and also if possible a packet trace from the response of the radius with the WISPr attributes in it.

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        • C
          communig8
          last edited by

          I dont have access to the trace data until next Tuesday.
          However, it is the same RADIUS server that was used with the Chilli-spot config which is currently working.
          The RADIUS server is hosted at WiFiGator.com
          The Vendor ID was the WISPr ID (14122)
          WISPr-Bandwidth-Max-Up was set to 1024000 (defined as 1000 k dn on WiFiGator.com)
          WISPr-Bandwidth-Max-Down was set to 102400 (defined 100 k up on WiFiGator.com)
          I will try to post a copy of the CP Config here too.

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          • C
            communig8
            last edited by

            I have the config as a PDF which the forum will not let me attach, I have saved the pages as JPGs but the forum says they are too big.
            I can e-mail it to you.
            The config option are set as follows (if you are willing to trust me);
            RADIUS secrets removed!

            Services, Captive Portal
            Enable - check
            Interface - LAN
            Idle timeout 15
            Hard timeout blank
            After auth redir URL http://communityuk.net
            Disable concurrent logins - checked
            Disable MAC filtering - checked
            Enable per-user bandwidth restrictions - checked
            Download 2048, Upload 512
            RADIUS auth - checked
            Primary IP - 67.139.73.199
            secret - xxxxxxxxx
            Secondary IP - 67.139.73.199
            secret - xxxxxxxxx
            Send RADIUS accounting packets - checked
            Reauth connected users every minute - checked
            Accounting updates - Interim updates
            RADIUS NAS IP - WAN
            Use RADIUS Session-Timeout attribute - checked
            Save

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            • E
              eri--
              last edited by

              pfSense recognizes these attributes from WISPr
              WISPr-Bandwidth-Min-Up
              WISPr-Bandwidth-Min-Down
              WISPr-Bandwidth-Max-Up
              WISPr-Bandwidth-Max-Down

              otherwise it seems correct

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              • C
                communig8
                last edited by

                So do we have a bug here?

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                • E
                  eri--
                  last edited by

                  Without a packet trace i cannot tell.
                  Also an 'ipfw show' and 'ipfw pipe show' output might help.
                  also a 'ipfw table all list' output.

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                  • C
                    communig8
                    last edited by

                    As I mentioned before, the trace shows;
                    The Vendor ID was the WISPr ID (14122)
                    WISPr-Bandwidth-Max-Up was set to 1024000 (defined as 1000 k dn on WiFiGator.com)
                    WISPr-Bandwidth-Max-Down was set to 102400 (defined 100 k up on WiFiGator.com)
                    But I understand why would will not take this as true without an actual trace.
                    Its Easter weekend in the UK but I can try to get the hardware together t run a test and get a trace.
                    Apart from the 'ipfw' commands, is the anything else that will help?
                    Seeing as I've got to get the hardware together for the trace I'd like to cover off anything else that will track it down.
                    Could you point me at where the code is that handles the dynamic pipe creation so I can read it through.

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                    • E
                      eri--
                      last edited by 

                      
1024000

                      Heh that is your issue.
                      pfSense by default assumes Kbit/s so you have to scale that value to take this into consideration.
                      Meaning you have to divide that value by 1024 or 1000 depending on preference.

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                      • E
                        eri--
                        last edited by

                        I just committed this https://rcs.pfsense.org/projects/pfsense/repos/mainline/commits/2d4003aab1d969ed9ba3e52f2fe3ec083e4bef8c fix.
                        You wait for it in the next snapshot or apply manually.
                        It should fix your issues.

                        Thank you for the information.

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                        • C
                          communig8
                          last edited by

                          Ah so it was a bug!

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                          • C
                            communig8
                            last edited by

                            I was so impressed by the speed of the fix, even if you were a bit odd about my offer to help, that
                            I got together all the hardware I would need to test, and it works!
                            Thanks for that. I'd like to see CheckPoint or Cisco move that fast!
                            Richard

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