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    UPS & NUT strategy

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    General pfSense Questions
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    • Z
      zkab @AndyRH
      last edited by

      @andyrh WOW ... that solved my problem with ranking order.
      I checked with pfSense ... the default lease time is 7200 seconds
      So I can shut-down DHCP server and still be able to access fixed IP:s for 7200 seconds ...

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      • dennypageD
        dennypage @zkab
        last edited by

        @zkab said in UPS & NUT strategy:

        @dennypage Thanks for you input.
        Do I understand you right that I should use a dedicated computer as NUT server and all other LAN devices will be NUT client to that server.

        No. Each host should run its own NUT server talking directly to the UPS via SNMP. When using SNMP, the should UPS control the shutdown, not the NUT server. See the NMC documentation for info on configuring the UPS.

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        • Z
          zkab @dennypage
          last edited by

          @dennypage Something is wrong.
          I installed NUT in pfSense and configured it with SNMP remote but it can't connect to my UPS.
          Do I have to set up a firewall rule for my UPS?

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          • Z
            zkab @zkab
            last edited by

            @zkab I followed guidelines in https://techexpert.tips/pfsense/pfsense-snmp-configuration/ but no success.
            Can't access UPS from pfSense ...

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            • dennypageD
              dennypage
              last edited by

              @zkab That is a really old link, about setting up an SNMP server rather than accessing an SNMP UPS.

              For NUT package info, see this link

              Z 1 Reply Last reply Reply Quote 1
              • Z
                zkab @dennypage
                last edited by zkab

                @dennypage I followed the link you suggested ... still don't get it right.

                What I have is a APC SmartUPS (snmp) with IP 192.168.1.12
                At APC I have created a user=apc & passwd

                I also created a Comminity strig in APC which I enter in pfSense/Services/SNMP
                So where have I missed?
                status.png snmp.png settings.png

                dennypageD 1 Reply Last reply Reply Quote 0
                • dennypageD
                  dennypage @zkab
                  last edited by

                  @zkab The SNMP service (Services -> SNMP) has nothing to do with trying to use an SNMP based UPS. Unless you are using SNMP for monitoring of pfSense itself, you should disable that.

                  Is the SNMP configuration of the UPS using “public” as the read only community? And is v1/v2c enabled in the UPS? You can/should confirm the ability to access the UPS with snmpwalk.

                  The additional lines for upsd.users are for remote access to upsd from another NUT client. Unless you are actively using remote NUT clients pointing at your pfSense server, you should remove them.

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                  • Z
                    zkab @dennypage
                    last edited by

                    @dennypage OK ... I disabled SNMP in pfSense
                    In APC UPS I don't have public community - have entered my own community string (read-only)
                    Running SNMP v1

                    Synology NAS have the option to acct as a UPS server.
                    I tested it and it worked perfectly towards my APC UPS.
                    I can even interface Home Assistant (HA) -> NAS -> APC UPS (check HA pic below)

                    Strange that Synonlogy can access my APC UPS and display information about the device but pfSense can't.
                    With my limited knowledge this indicates that configuration of APC should be OK but not pfSense

                    HA.png

                    dennypageD 1 Reply Last reply Reply Quote 0
                    • stephenw10S
                      stephenw10 Netgate Administrator
                      last edited by

                      The NUT service is not even running in your screenshots there. I would assume you have a config error that prevents it starting. Try to start the service then check the logs.

                      Steve

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                      • dennypageD
                        dennypage @zkab
                        last edited by dennypage

                        @zkab said in UPS & NUT strategy:

                        @dennypage OK ... I disabled SNMP in pfSense
                        In APC UPS I don't have public community - have entered my own community string (read-only)
                        Running SNMP v1

                        Go back and make the ro community “public”. You can use a different community later, but for now stay with public.

                        Edit: And please confirm functionality with snmpwalk before attempting anything else:

                        snmpwalk -v 1 -c public 192.168.1.12
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