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    unable to access ips on vlan after changing Gateway/dns

    Scheduled Pinned Locked Moved General pfSense Questions
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    • C
      comet424 @johnpoz
      last edited by comet424

      @johnpoz

      oh ok so get rid of the rejects then? and i can fix that ill point all to 10.1

      i have one last question for now with these camears

      when i orginaly plugged them in they were all dhcp and host name came up with camera as the host name
      i edited each one and set static ips
      and i changed each name to like cam1 cam2 cam3 cam4
      but it shows up blank now... is there something to run to force pfsense to get the host names.. i know doesnt matter for such a small amount of cameras but would be nice if it show up cam1 cam2 like it did when it was showing up camera as the host name

      any special trick? or is a port i need to open like the 123 ntp
      ruleaa.PNG

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      • johnpozJ
        johnpoz LAYER 8 Global Moderator @comet424
        last edited by johnpoz

        @comet424 said in unable to access ips on vlan after changing Gateway/dns:

        i edited each one and set static ips

        You set this were - on the camera or via a dhcp reservation?

        If I look in my arp table stuff I have set for reservations show up with names.

        example here are my alexas that all have dhcp reservations to always get the same IP.

        alexas.jpg

        If you want stuff that you setup static on the device to show up with a name, you could always just create a host override in unbound for that specific IP, so that it resolves to the name you want, ie cam1, cam2 etc..

        But in the long run dhcp reservations are going to be a better option vs settings specific on the device. dhcp reservations would allow you to easy change the ip in the future without having to touch the device. Or change other stuff you might hand out via dhcp, like gateway or ntp, there are lots of options that might be useful to hand out via dhcp - be it your device takes advantage of them or not is another thing. But if you set dhcp reservations vs on the actual device - in the future if you want to change the whole network IP space its as simple as some adjustments on pfsense without having to touch each device. A simple reboot of the device should all that be required to get say the new IP, gateway, dns, etc. And if they are poe, that can be as simple as turning off poe on your switch for a second, etc.

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          comet424 @johnpoz
          last edited by

          @johnpoz i set the names in the Camera itself.. it has a section called "name" and they were all labeled camera

          and the dhcp orginally in the arp table labled them "camera"
          but i had changed the names in the cameras to
          all from
          camera

          to cam1 cam2 so i figured the hostnames would change from camera to cam1 cam2 cam3
          but it didnt especially after i did static ip

          ill look up this dhcp reservation.

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          • C
            comet424 @comet424
            last edited by comet424

            oh ok so dhcp is better

            reason i went static incase pfsense goes down then cameras go down too... but then i learned about CARP

            but figured if pfsense is down having static camera ips was better? always learning

            and is dhcp reservation same meaning as "dhcp static mapping"

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            • johnpozJ
              johnpoz LAYER 8 Global Moderator @comet424
              last edited by

              @comet424 keep in mind that if your dhcp server (pfsense) goes down... The dhcp client just doesn't magically loose its IP. The device should keep its IP for the length of the lease it has left. So unless you rebooted the device its ip should be good for at min 50% of whatever your lease time is.

              So say my lease is 2 days.. At 1 day the device would try to renew, and then lease would be good for 2 days again. So even in a worse case scenario and it was like 1 minute before the 50% renewal mark, your devices IP should be good for 1 day even if your dhcp server is offline.

              If your lease is 2 hours, then worse case is 1 hour, if your lease is set for 4 days then worse case is 2 days, etc.

              Depending on the device it might even survive a reboot with no dhcp server available and still use its last leased IP, etc.

              I have never in all the years using pfsense ever seen an issue where dhcp server went down, and the rest of pfsense was working.. Not saying that couldn't happen - but its a pretty minor thing to worry about ;)

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              • C
                comet424 @comet424
                last edited by comet424

                @johnpoz
                i googled an older article about dhcp reservations

                in pfsense you click + button on a dhcp status and it adds it to the dhcp mapping but my dhcp leases dont have a + beside them to add them i normally have to manually just copy mac address... was this + add button removed?

                ah and ther reason about pfsense going down.. for around 118 days pfsense was up... but then it started crashing or the network card i dunno.. lost access to pfsense.. reboot no errors..
                the on board nic is a realtek and my 4 port card i had in it was a realtek too.. and i remember someone saying realtek not supported by pfsense.. something with the card has an issue i forget... as it was constantly going down.. los of the access to pfsense so i had issues with wifi least i find issues with my TPlink Wifi switchs and plugs they seem to go down as they only dhcp....

                i not sure how to inscrease dhcp lease longer i think mine set to 1100 seconds

                so i replaced the realtek card with a 10gtek card 2 port hoping that s better.. as intel cards on amazon were like 300 bucks for some reason here in canada

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                • johnpozJ
                  johnpoz LAYER 8 Global Moderator @comet424
                  last edited by johnpoz

                  @comet424 said in unable to access ips on vlan after changing Gateway/dns:

                  but my dhcp leases dont have a + beside

                  huh?

                  What version of pfsense are you using, where are you looking.

                  button.jpg

                  That button would be in the dhcp leases table - only stuff that actually got a lease would be seen there, etc.

                  i think mine set to 1100 seconds

                  Where did you come up with that number, that is not default - which I believe is 2 hours.. 1100 seconds is like what 18 minutes - why would you have set a lease to such a ridiculously low number?

                  And you have 300 clients on this network - so you have devices renewing their leases every 9 minutes... That is going to be a shit ton of dhcp traffic for what reason??

                  lease.jpg

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                  • C
                    comet424 @johnpoz
                    last edited by comet424

                    @johnpoz

                    ive never changed dhcp... so i looked at the arp table.. i guess it is 1200 seconds for static ips and dhcp leases... i never set the 1200 seconds thats the default from when i just set it up i dont even know how you change lease time

                    all i know is all dhcp and static ips says "Expires in 1195 seconds" is the hightest one i seen so i guessing it defaults at 1200seconds

                    as for the version i have im running 2.6.0-release amd64 freebsd 12.3-stable
                    and under dchp leases i have same as you minus the two plus's
                    so heres my moms dhcp lease under dhcp leases no ++

                    and how do i inscrease the dhcp lease time for lans and vlans then from 1200 seconds default to whatever?

                    ill check the defaul least time from ur post i just seen ur reply as i replied
                    moms.PNG

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                    • johnpozJ
                      johnpoz LAYER 8 Global Moderator @comet424
                      last edited by johnpoz

                      @comet424 arp is different than dhcp lease time, they don't have anything to do with each other.. I believe the arp cache timeout in pfsense is like 20 minutes.. 1200 seconds.

                      edit:

                      odd.jpg

                      yeah that doesn't look right - did you try with a different browser, are you using anything in browser that might block those?

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                      Please don't Chat/PM me for help, unless mod related
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                        comet424 @johnpoz
                        last edited by

                        @johnpoz ah ok

                        and my default least time is set blank so guessing thats 7200 seconds
                        learn something new everyday.. i thought the arp table the expires seconds was the dhcp leases counting down..

                        and ya i dont
                        have any the 4 icons you got
                        the 2+ a power button and trashcan

                        here is a start i know its static ip but doesnt show more... i tried 2 computers and both running Edge and Chrome nothing showing up... Trash cans show up on ARP Table if that helps

                        leases.PNG

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                          comet424 @comet424
                          last edited by

                          is there a setting like a toggle switch that enables and disables the ++power button and trashcan?

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                          • johnpozJ
                            johnpoz LAYER 8 Global Moderator @comet424
                            last edited by johnpoz

                            @comet424 static leases (reservations) wouldn't have any of those icons. But something that just got a normal dhcp lease should show them.

                            Do you have a scroll bar at the bottom - maybe the size of screen or whatever is its just not showing it

                            scroll.jpg

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                              comet424 @johnpoz
                              last edited by comet424

                              @johnpoz ah ok
                              then not working right then as none of the dhcp leases have ++ power icon and trashcan

                              is the power icon for wake up lan?

                              what i notice too some of the dhcp leases they say they offline but the really online so whats weird

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                              • johnpozJ
                                johnpoz LAYER 8 Global Moderator @comet424
                                last edited by johnpoz

                                @comet424 I think there is some change coming with that.. Yeah these can show offline if they haven't talk to pfsense in a while - and the arp cache has expired..

                                Only way if pfsense knows if a client is actually online is if it has it in its arp cache. So if the device hasn't need to send any traffic to pfsense in a while, then for all pfsense knows the device is offline.

                                something is up with yoru display - your statics should at least havve the little pen/pencil thing for editing

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                                  comet424 @johnpoz
                                  last edited by

                                  @johnpoz ah there is is...

                                  thats werid screen is big enough the display area doesnt

                                  so here screen capture of my browswer... so my browswer wide enough the frame is not expanding
                                  cap.PNG

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                                  • johnpozJ
                                    johnpoz LAYER 8 Global Moderator @comet424
                                    last edited by johnpoz

                                    @comet424 weird - so some sort of browser issue take it then.

                                    So you did have the scroll bar at the bottom then.

                                    edit: do you have hostname or description with long names - that seems to throw off the window sizing.. I have this roomba that name is really long - and think that is throwing mine off a bit, going to set it so that name is shorter and see if that clears mine up and gets rid of the scroll bar at the bottom.

                                    longname.jpg

                                    An intelligent man is sometimes forced to be drunk to spend time with his fools
                                    If you get confused: Listen to the Music Play
                                    Please don't Chat/PM me for help, unless mod related
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                                      comet424 @johnpoz
                                      last edited by

                                      @johnpoz
                                      ya now i tested it on the 2 comps and 2 browsers... it seems pfsense is set frame work
                                      is there anyway to make it expand here is screen shot of my browers shouldnt it expand it if it need to or is it ment to be centered and a fix width to display? a way that it resizes ot the widest part like a excel cell you can resize it to the biggest lines is it possible is it a setting or is it fixed and something i need to look for in future i didnt relase i had to do
                                      cap2.PNG

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                                        comet424 @comet424
                                        last edited by

                                        i do have some long names but shouldnt the outside frame resize it by adding up all the cells and resizing?
                                        cap3.PNG

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                                        • johnpozJ
                                          johnpoz LAYER 8 Global Moderator @comet424
                                          last edited by

                                          @comet424 have never looked into it much - but sure there is a way to edit the css or something to be able to take up more of the browser width, etc.

                                          I am going to change the name of my roomba see if that clears up the small amount of cutoff I am seeing. She is cleaning at the moment so when she finishes going to set the name to beata vs that long as name ;) That is what we call her, inside joke ;)

                                          An intelligent man is sometimes forced to be drunk to spend time with his fools
                                          If you get confused: Listen to the Music Play
                                          Please don't Chat/PM me for help, unless mod related
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                                            comet424 @johnpoz
                                            last edited by

                                            @johnpoz ah ok i appreciate it.. ya must be a css thing as if i have the Status/Dashboard page it takes up the full width of the browser... if its a css maybe it can be added to the next release of pfsense

                                            i know the real experts of pfsense dont even notice they so experts u guys know

                                            but for someone else i didnt even think of scrolling as when you have full blown screen u think you should be able to see

                                            sorry if my disylexia gets best of me .. sounds good in my head.. doesnt always come out the same way

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