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DNS resolver hostname

DHCP and DNS
dns resolver dhcp
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  • K
    KOM @thebusyguy22
    last edited by Jun 13, 2021, 3:27 AM

    @thebusyguy22 Regardless of their reported hostname, you can still add a DNS host override and then refer to them as whatever you like.

    T 3 Replies Last reply Jun 13, 2021, 4:43 AM Reply Quote 0
    • T
      thebusyguy22 @KOM
      last edited by Jun 13, 2021, 4:43 AM

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      • T
        thebusyguy22 @KOM
        last edited by Jun 13, 2021, 4:50 AM

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        • T
          thebusyguy22 @KOM
          last edited by Jun 13, 2021, 4:56 AM

          @kom is what I'm trying to get is the DHCP lease to update the hostname to the newly created domain name. So for example creating alexa3 would update my lease host name to alexa3.home.local for example. I can ping Alexa3 just fine so that part is working as expected it's just getting it to reflect on the DHCP list.

          J 1 Reply Last reply Jun 13, 2021, 11:34 AM Reply Quote 0
          • J
            johnpoz LAYER 8 Global Moderator @thebusyguy22
            last edited by johnpoz Jun 13, 2021, 11:36 AM Jun 13, 2021, 11:34 AM

            @thebusyguy22 said in DNS resolver hostname:

            it's just getting it to reflect on the DHCP list.

            You mean like this?

            login-to-view

            Just put the hostname you want in your reservation

            login-to-view

            An intelligent man is sometimes forced to be drunk to spend time with his fools
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            T 1 Reply Last reply Jun 13, 2021, 2:55 PM Reply Quote 0
            • T
              thebusyguy22 @johnpoz
              last edited by Jun 13, 2021, 2:55 PM

              @johnpoz okay I can do that too I was just trying to avoid have to have static IP's for them if at all possible. It's just weird to me why DNS resolver isn't changing it.

              J 1 Reply Last reply Jun 13, 2021, 3:45 PM Reply Quote 0
              • J
                johnpoz LAYER 8 Global Moderator @thebusyguy22
                last edited by Jun 13, 2021, 3:45 PM

                Why would you think dns resolver would have anything to do with the hostname presented to the dhcp server.

                The alexa device is going to present its whatever random sort of amazon name it has to your dhcp server - that is what the dhcp server will use. Unless you create a reservation and say use this hostname for this mac.

                be it you assign an IP or not - you can have it pull from the pool. But why would you not just assign it a specific IP.. While your creating the reservation, etc.

                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
                SG-4860 24.11 | Lab VMs 2.7.2, 24.11

                T 1 Reply Last reply Jun 14, 2021, 5:21 AM Reply Quote 1
                • T
                  thebusyguy22 @johnpoz
                  last edited by Jun 14, 2021, 5:21 AM

                  @johnpoz well any time in the past when I set the domain name it reflects back to that in the DHCP leases. If you don't see any reason it's an issue doing it via static mapping then I have no issue doing it that way. Thank you very much for your help and input I appreciate if!

                  J 1 Reply Last reply Jun 14, 2021, 10:14 AM Reply Quote 0
                  • J
                    johnpoz LAYER 8 Global Moderator @thebusyguy22
                    last edited by Jun 14, 2021, 10:14 AM

                    @thebusyguy22 said in DNS resolver hostname:

                    when I set the domain name it reflects back to that in the DHCP leases.

                    Where? Are you setting this - on the device/host. Domain name, not host name?

                    Think you confusing dhcp name reflecting in dns.. Via registration of the dhcp in dns.

                    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
                    SG-4860 24.11 | Lab VMs 2.7.2, 24.11

                    T 1 Reply Last reply Jun 14, 2021, 1:23 PM Reply Quote 0
                    • T
                      thebusyguy22 @johnpoz
                      last edited by Jun 14, 2021, 1:23 PM

                      @johnpoz yes sorry I ment to say host name. So when I create an override say I name host Camera it usually shows up on the DHCP list as Camera.local.home on the lease page under hostname.

                      J 1 Reply Last reply Jun 14, 2021, 1:33 PM Reply Quote 0
                      • J
                        johnpoz LAYER 8 Global Moderator @thebusyguy22
                        last edited by johnpoz Jun 14, 2021, 1:35 PM Jun 14, 2021, 1:33 PM

                        If the client sends that as its hostname.. Then ok - but dhcp leases shouldn't be showing a fqdn.. It would only be showing the hostname.

                        If you want client amazon-random# to show up as alexa-name in your dhcp lease. The correct solution is to either have that specific client send that hostname to the dhcpd, which I don't think you can do on alexa. Or tell the dhcp server to use hostname xyz in the host name when you set a reservation.

                        If your setting reservations for your clients, and register that in dhcp settings - then all your dns is taken care of.

                        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
                        SG-4860 24.11 | Lab VMs 2.7.2, 24.11

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