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    • scottalanmillerS
      scottalanmiller @Dashrender
      last edited by

      @dashrender said in Pfsense:

      When I reading my MSCE books in the mid to late 90's /24 was the common thing. Now with understanding, etc I see the use of /22 and /23 and the advantages - but again, are their general networking books that everyone should be reading that we simply aren't?

      Even the MS stuff in the 1990s told WHY /24 was used, so in reality they explained why it is too small today. Yes, /24 was common then, just like RAID 5, but since MS was clear as to why those were chosen and what factors were used, I'd say that they were pretty clear on why that is no longer true by the early 2000s.

      1 Reply Last reply Reply Quote 1
      • JaredBuschJ
        JaredBusch
        last edited by

        A /24 is a silly thing on almost any SMB network. With the number of devices per user on a modern network you will smack that limit quick.

        scottalanmillerS 1 Reply Last reply Reply Quote 1
        • scottalanmillerS
          scottalanmiller @JaredBusch
          last edited by

          @jaredbusch said in Pfsense:

          A /24 is a silly thing on almost any SMB network. With the number of devices per user on a modern network you will smack that limit quick.

          Even at home it's not hard to hit it quickly these days. I mean, not going to happen often. But between routers, switches, access points, mobile phones, VoIP devices, IoT devices, sensors, laptops, desktops, gaming machines, visitors, etc. and if you have a home lab with tons of VMs or containers, it adds up fast.

          black3dynamiteB 1 Reply Last reply Reply Quote 0
          • scottalanmillerS
            scottalanmiller
            last edited by

            https://mangolassi.it/topic/15532/how-big-should-your-lan-be-samit-video

            Perfect timing.

            1 Reply Last reply Reply Quote 1
            • black3dynamiteB
              black3dynamite @scottalanmiller
              last edited by

              @scottalanmiller said in Pfsense:

              @jaredbusch said in Pfsense:

              A /24 is a silly thing on almost any SMB network. With the number of devices per user on a modern network you will smack that limit quick.

              Even at home it's not hard to hit it quickly these days. I mean, not going to happen often. But between routers, switches, access points, mobile phones, VoIP devices, IoT devices, sensors, laptops, desktops, gaming machines, visitors, etc. and if you have a home lab with tons of VMs or containers, it adds up fast.

              Yeah, its possible if every device is static and the lease time is unlimited.

              scottalanmillerS 1 Reply Last reply Reply Quote 0
              • scottalanmillerS
                scottalanmiller @black3dynamite
                last edited by

                @black3dynamite said in Pfsense:

                @scottalanmiller said in Pfsense:

                @jaredbusch said in Pfsense:

                A /24 is a silly thing on almost any SMB network. With the number of devices per user on a modern network you will smack that limit quick.

                Even at home it's not hard to hit it quickly these days. I mean, not going to happen often. But between routers, switches, access points, mobile phones, VoIP devices, IoT devices, sensors, laptops, desktops, gaming machines, visitors, etc. and if you have a home lab with tons of VMs or containers, it adds up fast.

                Yeah, its possible if every device is static and the lease time is unlimited.

                Or they are just all on within a reasonable amount of time.

                1 Reply Last reply Reply Quote 0
                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  Plus you can have NAS, SAN and other storage things like that at home. Monitory, logging, etc.

                  1 Reply Last reply Reply Quote 0
                  • black3dynamiteB
                    black3dynamite
                    last edited by

                    What's the default lease duration in UBNT routers? I know Windows DHCP is limited to 8 days.

                    JaredBuschJ 1 Reply Last reply Reply Quote 0
                    • JaredBuschJ
                      JaredBusch @black3dynamite
                      last edited by

                      @black3dynamite said in Pfsense:

                      What's the default lease duration in UBNT routers? I know Windows DHCP is limited to 8 days.

                      24 hours. I rarely leave it default though. I like 8 hours. If shit is going to break, I want to know about it sooner rather than later.

                      1 Reply Last reply Reply Quote 1
                      • JaredBuschJ
                        JaredBusch
                        last edited by

                        Here is my ELR config at home.

                        jbusch@jared:~$ show configuration commands service | grep dhcp-server
                        set service dhcp-server disabled false
                        set service dhcp-server hostfile-update enable
                        set service dhcp-server shared-network-name LAN authoritative disable
                        set service dhcp-server shared-network-name LAN description 'LAN eth1'
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 bootfile-name settings/snom.htm
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 default-router 10.254.103.1
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 dns-server 10.254.103.1
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 lease 28800
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 ntp-server 10.254.103.1
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 start 10.254.103.31 stop 10.254.103.254
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 time-server 10.254.103.1
                        set service dhcp-server shared-network-name LAN subnet 10.254.103.0/24 unifi-controller 207.244.223.13
                        set service dhcp-server use-dnsmasq disable
                        
                        1 Reply Last reply Reply Quote 2
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