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Does a Bridge get a virtual MAC?

General pfSense Questions
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  • P
    provels
    last edited by provels Mar 17, 2023, 8:41 PM Mar 17, 2023, 6:56 PM

    OK, I think I have the answer, but after my first experience bridging a wireless card and a NIC, every time the FW boots, I get a prompt in Windows re. "Do I want my PC to be discoverable on this network". The network counts keep incrementing (i.e. Network n+1), and after installing arpwatch for another reason, I've found ref's to old MAC/new MAC in the arpwatch messages. I'm guessing I should just paste the new MAC into the spoof MAC field of the bridge member to hard set it? That right?

    Peder

    MAIN - pfSense+ 24.11-RELEASE - Adlink MXE-5401, i7, 16 GB RAM, 64 GB SSD. 500 GB HDD for SyslogNG
    BACKUP - pfSense+ 23.01-RELEASE - Hyper-V Virtual Machine, Gen 1, 2 v-CPUs, 3 GB RAM, 8GB VHDX (Dynamic)

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    • S
      stephenw10 Netgate Administrator
      last edited by Mar 17, 2023, 7:17 PM

      Yes, exactly. The bridge interface MAC is generated at each boot unless you set one in the gui. That means if you're using it as the dhcp server clients will see it as a new network every time.
      So set a MAC to prevent that.

      Steve

      P 1 Reply Last reply Mar 17, 2023, 8:40 PM Reply Quote 1
      • P
        provels @stephenw10
        last edited by Mar 17, 2023, 8:40 PM

        @stephenw10 Thanks, Steve!

        Peder

        MAIN - pfSense+ 24.11-RELEASE - Adlink MXE-5401, i7, 16 GB RAM, 64 GB SSD. 500 GB HDD for SyslogNG
        BACKUP - pfSense+ 23.01-RELEASE - Hyper-V Virtual Machine, Gen 1, 2 v-CPUs, 3 GB RAM, 8GB VHDX (Dynamic)

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