Understanding what you're saying is: each radio gets a unique "fall-back" IP as well as a unique regular IP?

On 08/18/2017 05:54 PM, CBB - Jay Fuller wrote:
We had an issue not long ago where we were doing DHCP on a network and it was not being passed from router to router. The result was a whole bunch of radios going to the default fallback address which was - you guessed it - the same IP.
Fortunately this was about 15 radios.
I actually wound up plugging directly into the network segment (switch) and changing each radios default management IP manually. This was actually a network conversion moving from pppoe to DHCP (from their billing server to ours). The fallback IP is only an IP - no subnet, no gateway, so I basically picked a number in their existing legacy subnet that I did not think was being used (something like .70) and put the first radio on .71...second on .72...and so on.

When it came time to switch them all to DHCP after the conversion it was pretty easy - but this took a while to do (obviously) I'd change one radio, then keep hitting fresh until the next radio came up. Sometimes I'd get a different radio with each refresh. But - eventually - they were all changed and no radios were on the "initial" fallback ip anymore and - problem solved.
I went to the steakhouse in the town and bought a steak :)

    ----- Original Message -----
    *From:* Christian Palecek <mailto:[email protected]>
    *To:* Ubiquiti Users Group <mailto:[email protected]>
    *Sent:* Friday, August 18, 2017 5:18 PM
    *Subject:* Re: [Ubnt_users] duplicate IPs

    How are you handing out ips?  Are the duplicates in the same
    segment? What type of router is on the headend?



    Sent from my Verizon, Samsung Galaxy smartphone

    -------- Original message --------
    From: Adair Winter <[email protected]
    <mailto:[email protected]>>
    Date: 8/18/17 4:02 PM (GMT-07:00)
    To: Ubiquiti Users Group <[email protected]
    <mailto:[email protected]>>
    Subject: Re: [Ubnt_users] duplicate IPs

    er,... ip addresses

    On Fri, Aug 18, 2017 at 5:01 PM, Jan-OOLLC
    <[email protected] <mailto:[email protected]>>
    wrote:

        discovery tool (ubnt) did not find it, Dude discovery tool,
        ditto.  I had to guess which device one of them might be,
        change the ip and then voila, discovery with dude found a new
        device which was another nsm2 with same ip.  I need something
        that works without having to guess.

        Jan V

        On 08/18/2017 02:35 PM, Adair Winter wrote:
        Discovery tool?

        On Fri, Aug 18, 2017 at 4:23 PM, Jan-OOLLC
        <[email protected]
        <mailto:[email protected]>> wrote:

            ubnt specific.  What can be done to locate duplicate IP
            addresses.  Are there any applications that do this?

            Jan V

            On 08/18/2017 12:23 PM, Josh Luthman wrote:
            Like Ubnt specific?  Not sure what the question is.

            Josh Luthman
            Office: 937-552-2340 <tel:%28937%29%20552-2340>
            Direct: 937-552-2343 <tel:%28937%29%20552-2343>
            1100 Wayne St
            Suite 1337
            Troy, OH 45373

            On Aug 18, 2017 3:21 PM, "Jan-OOLLC"
            <[email protected]
            <mailto:[email protected]>> wrote:

                Anyone ever dealt with this?

                --

                Jan V


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--
        Adair Winter
        VP, Network Operations / Co-Owner
        Amarillo Wireless | 806.316.5071 <tel:%28806%29%20316-5071>
        C: 806.231.7180 <tel:%28806%29%20231-7180>
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        <http://www.amarillowireless.net/>
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--
    Adair Winter
    VP, Network Operations / Co-Owner
    Amarillo Wireless | 806.316.5071
    C: 806.231.7180
    http://www.amarillowireless.net <http://www.amarillowireless.net/>
    <http://www.amarillowireless.net>


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