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PfSense is not getting dhcp from comcast

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  • B
    buddy101
    last edited by May 15, 2016, 12:21 AM

    My pfSense 2.3 box running on fitlet is not able to get DHCP address on its WAN interface. I have tried tweaking MTU and the media settings, turned off DHCPv6. Even cloned the mac from the firewall I am replacing, rebooted modem, etc. but no joy so far.

    Why is my old box able to get DHCP ip but not pfSense ?

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    • D
      divsys
      last edited by May 15, 2016, 4:35 PM

      Are you sure you're using the correct physical interface for WAN?

      -jfp

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      • B
        buddy101
        last edited by May 15, 2016, 4:59 PM

        Thank you for the reply.

        I have since found out that the blocking of private networks is most probably why this fails. The modem seems to set a 192.168.x.x as a 30s lease before it hands out the real IP after some time. So I am good now.

        Thanks again.

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