[arm-allstar] Assigned local wireless IP address

[Doug Crompton]

Steve,

 I know that verizon 3G system works as I have used it here with a cradlepoint router. I guess the question would be does the hotspot work at all under those conditions? Sometimes you can select minimum service on the devices. The whole cell system is a moving target and what is working today might not be tomorrow!
73 Doug
WA3DSP
http://www.crompton.com/hamradio


To: arm-allstar at hamvoip.org
Date: Fri, 23 Sep 2016 12:12:49 -0700
Subject: Re: [arm-allstar] Assigned local wireless IP address
From: arm-allstar at hamvoip.org
CC: stcole59 at charter.net


  
    
  
  
    Doug,

    Your suggestion of changing the DHCP range on my Verizon Jetpack
      did the trick!  Now, it switches wifi's and announces the correct
      IP addresses.  The DHCP ranges for my home wifi and the Jetpack
      wifi were too close and fell within each others ranges.  Now, it
      works just great!  TNX so much for your great help and assistance!

    One other question I have about using mobile hotspots, etc.  I've
      noticed that if the cell quality (strength) drops to 3G or below,
      my Allstar mobile node won't work.  It seems that it only works
      when the signals are 4G strength.  Have you or anyone else on here
      ever run into this situation?  Just curious.

    TNX agn for all the help.  I'm trying to learn more about FSQ
      using FLDigi now.  I heard you and a few others on there but, have
      never made the "jump" yet.  I may have some questions for you on
      that subject some day too.

    Take care and hope to chat with you agn soon.

    73,

    Steve -- WB6LOT (Allstar nodes 43659 Home, and 43704 Mobile)

    

    

    

    On 9/23/2016 11:03 AM, Doug Crompton
      via arm-allstar wrote:

    
    
      
      Just a point because this has caused some
          confusion with some users. If you use the DTMF wireless
          switching script from the hamvoip.org howto's and/or you
          switch wireless access points in some other way there is a
          possibility that your DHCP assigned IP address may remain the
          same when switching from a home wifi to a cell hotspot. This
          is not a problem but here is an explanation why this happens.

          

          This would generally happen when the hotspot device has the
          same dhcp range as your home wifi, for instance 192.168.1.x  

          

          Verizon jetpack or MIFI hotspots often use the 192.168.1.x
          range. 

          

          When restarting with the new hotspot the dhcp client asks for
          the same IP it is currently assigned and if it is available
          from the server it would remain the same confusing you that it
          did not really switch from one hotspot to the other.

          

          I do not have one of these devices but in cases where it is on
          the same subnet you could possibly through a web page login to
          the device and change the dhcp address range to something like
          - 192.168.40.x - then you will know from the spoken IP when
          you change hotspots that it is actually on the device you
          want. 

          

          There is no requirement that you do this. When using the DTMF
          switching script and the integrity of the script and files it
          calls is not in question there is no possibility you would be
          on the wrong hotspot even though it is the same local IP. The
          wpa_supplicant file would ONLY have the ssid and passphrase of
          the hotspot you select and could not be connected elsewhere.
        

        73 Doug

          WA3DSP

          http://www.crompton.com/hamradio

         
      

      
      

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