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How to find modem IP

Scheduled Pinned Locked Moved General pfSense Questions
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  • I
    IMV8N
    last edited by Dec 23, 2024, 7:07 PM

    How can I find my modems IP address? I recently switched to fiber from cable internet. They brought in new modem. I switched the modem to bridged mode. Now that I have it in bridge mode, I can't find the IP address for the modem.

    J 1 Reply Last reply Dec 23, 2024, 8:08 PM Reply Quote 0
    • J
      johnpoz LAYER 8 Global Moderator @IMV8N
      last edited by Dec 23, 2024, 8:08 PM

      @IMV8N So you have an ont now? What is the make and model of this device you have from the isp? ONTs are normally layer 2 and don't have an IP.

      But if you put it into bridge mode.. Make and model will help us figure out what exactly you have..

      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 2.8, 24.11

      I 1 Reply Last reply Dec 23, 2024, 8:22 PM Reply Quote 0
      • I
        IMV8N @johnpoz
        last edited by Dec 23, 2024, 8:22 PM

        @johnpoz Thank you for the reply. The model of modem I was provided is the C6500XK

        J 1 Reply Last reply Dec 24, 2024, 3:19 AM Reply Quote 0
        • S
          stephenw10 Netgate Administrator
          last edited by Dec 24, 2024, 12:14 AM

          What IP address was it at before you switched to bridge mode? 192.168.0.1?

          It's probably still at that IP but you need to add a VIP and NAT rule to pfSense so it's able to reply to your connection.

          I 1 Reply Last reply Dec 24, 2024, 12:57 AM Reply Quote 0
          • I
            IMV8N @stephenw10
            last edited by Dec 24, 2024, 12:57 AM

            @stephenw10 yes correct. It was 192.168.0.1. I’m still learning PFSense. Can I get you to dumb down for me a bit how to configure the firewall to connect?

            1 Reply Last reply Reply Quote 0
            • J
              johnpoz LAYER 8 Global Moderator @IMV8N
              last edited by Dec 24, 2024, 3:19 AM

              @IMV8N said in How to find modem IP:

              provided is the C6500XK

              Yeah that is a (ONT & Router) smartnid believe its called.. In cable it would be called a gateway and is a modem/router combo)

              as to how to get to the modem - if it still listens on 192.168.01 - create a vip on your pfsense wan interface.. here this should help

              https://docs.netgate.com/pfsense/en/latest/recipes/modem-access.html

              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 2.8, 24.11

              1 Reply Last reply Reply Quote 0
              • S
                stan-qaz
                last edited by Dec 25, 2024, 3:05 AM

                The basic transparent setup mode should work for you, the first thing to check is that your status LED is solid white.
                https://www.quantumfiber.com/support/equipment/user-guides/c5500xk-smartnid.html

                The pfSense Wan interface is plain IPv4 DHCP:
                47870cfc-d952-42e3-89ad-82cf02c29f47-image.png

                Centurylink and Quantum (at least) don't offer IPv6 connections in most areas. They do offer a very poor 6RD option to get v6 over the v4 connection.

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