IP Trouble Continues

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  • Question
  • Updated 2 years ago
  • Answered
  • (Edited)
Difficulty getting a useful IP address in the correct domain...
Dear Friends:
I have had several conversations in the past "off the record" -- so to speak via private email.  A few searches over the past year have shown that I am  not the only one with this problem.  I would like to find out how many others are having this problem.  My Flex-6700 repeatedly finds its IP address in the 192.168.30.xxx domain.  Of course, everything else in the LAN is 192.168.0.xxx.  Therefore, in order to "play radio," I must change my computer over to a matching domain in order to use the radio.  Of course, that causes loss of access to everything else in the LAN which is at 192.168.0.x.  I have even tried switching EVERYTHING over to 192.168.30.x to accomodate the radio.  However, that caused other problems with my virtual servers.  I was advised that my Motorola Surf Board was likely the problem.  I have twice replaced my Modems/Routers since purchasing my much loved Flex-6700.  I have to admit that the Motorola or Arris Surf-Board Modems/Routers are terrible.  Motorola recently updated the firmware on their Surf-Board class of Modems/Routers.  It is impossible to "turn off" the firmware update process which is automatic when the cable is connected.  I even tried blocking the Motorola address from where the updates arise.  The Router would not accept the address to be blocked.  The latest firmware updates took a class of Routers that were "average" at best and rendered them into useless junk.  Moreover, these Routers were not cheap.  So, last week, I purchased a really good Router, a D-Link "Night Hawk" C7000/AC1900 Router/Modem in the $300+ range.  Well, there is some improvement.  Once in a while the Flex-6700 will take an IP address assigned by the Router and it will stay on the right domain for a while.  However, if things have to be powered down for one reason or another, the "correct" IP domain is lost and my Flex-6700 is back to 192.168.30.14 once again.  I have tried every possible order of powering down the radio and/or the Router to get my 6700 to accept a correct IP address.  I am told that the ability to assign a static IP address in the Flex-6000 series is to be included in a future update at some point in the future.  In the mean time, I have a really expensive radio that is just too much trouble to use and I keep waiting for the next update...hoping that as each update comes out that "this will be the one" that contains the ability to assign a Static IP address.  How may others are having this trouble?  Are there enough fellow Flexers out there to get behind this type of update to be included ASAP within the next update or am I alone? 
Thanks, guys...de Daniel W3DCB
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W3DCB

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Posted 2 years ago

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Tim - W4TME, Customer Experience Manager

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Official Response
Daniel - this is clearly a DHCP issue based from what I have read in this post thread.  The only way we are going to get to the bottom of this is to do an systematic analysis of what is happening on the wire by using packet capture.  If you are interested in doing this, please submit a HelpDesk support ticket and I'll be happy to do the analysis for you.
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W3DCB

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Official Response
Hi Tim...I hope that I did not violate any protocols of friendship by telling others about the problem...I was hoping for some suggestion that I did not think of. Many did not seem to quite understand what was happening...many did get it, however. Over and over I tried to explain to my fellow Flexers who were kind enough to respond that this behavior occurred even when the Flex-6700 was the ONLY device on the LAN and that the behavior is recorded in the Router Logs/Event Log which were set to automatically be eMailed. Both Motorolas had that ability or at least the ability to later read...The addition of a single computer via wifi or wired in the same domain made no difference...I tried multiple computers and multiple routers...Some computers set to static IP and others to accept DHCP assignment just in case it may have been the addition of one of my computers causing the problem. Over and over again, I got answers and suggestions from my fellow Flexers about other devices on the LAN/EtherNet.


Anyway, it seems that the new Router with its additional capabilities MAY have solved the problem. Time will tell. My new Net Geat Night-Hawk Router R7000 (I think that I may have misidentified it as a D-Link on my post) allows one to reserve or restrict a particular/chosen MAC address or MAC id for a particular IP address essentially eliminating other DHCP assignments for that MAC id/device. Since the radio defaults to the two addresses, restricting the Flex MAC id for 192.168.0.14 thus far, this seems to have done the trick. Additionally, my new Smart Switch has the ability to restrict chosen ports from accepting new DHCP assignments or different IP addresses other than the one programmed to the chosen port (both options available in my new switch! Ain't it great!)...It allows for the programming of a chosen IP address for a particular port and it will remember the IP addresses of each port. The Flex has kept its IP address now for several days. I will just have to wait and see what happens. This entire episode has been expensive. Several used Motorola Routers will be offered for sale. I guess I should keep one for emergencies! The two Cisco switches are also on their way out and offered on eBay. I thought they were sold, but the money didn't come. So, I have to re-list them. Anyway, lets wait and see what happens. Hopefully, the problem is licked. I still wait for the addition of the capability for static IP assignment in the VERY NEXT update, PLEASE???? You know my opinion about this and I can not tell you how strongly I feel about this. Just perusing the reflector will show that since release, I have not been the only one with IP troubles. IP/networking issues can be really sticky sometimes, but this would be a simple convenient "fix." Any word on Maestro delivery? I will want to add a few extras such as batteries. I did not see any accessories offered for sale on your web site, yet. Take care for now. Will be in touch... de Daniel W3DCB
(Edited)