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Flex's on Wrong Network IP - DHCP not working
Been struggling here trying to get my Flex Radios back on the network. I have done considerable research, read the manuals, done what I can do to sluth things. I just think windows has messed with me and I’m not sure the right way to get back. Bear with me, the info is extensive, and I think I know what needs to be done - but wanted to throw it all out there….
Three Flex 6600s. All on a typical normal private network, with gateway Asus router of 192.168.0.1, set to be the DHCP server. Each flex - SmartSDR typical runs on its own computer….
All running version 3.1.12 the latest…
Computer #1 (typically runs Flex#1) was updated to Win 10 pro – version 2004 a few weeks ago, fresh install, SmartSDR was installed and configured for transverters, HF and WSJTX, all working fine. (device dedicated to HF, 222 and 432 MHz)
Computer #2 (typically runs Flex#2) is Windows 10 pro - version 1909. SmartSDR was installed long ago and has worked flawlessly for quite some time. (device dedicated for 6M and 2M)
Computer #3 (typically runs Flex#3) is Windows 10 pro - version 1909. SmartSDR was installed long ago and has worked flawlessly for quite some time. Device dedicated for (902 Mhz thru 24 Ghz - 7 band transverter driver)
All had been fine since the last Flex 3.1.12 update, which was quite some time ago now, and was fine before that as well…
So a few weeks ago I started to lose my network shares, kind of random, etc. frustrating. So I worked on Computer #1 to resolve and I just could not seem to get it to work for two shares… so after exhausting everything I could find out to fix, I reinstalled - a fresh install Windows 10 – Version 2004 and all seemed fine. SmartSDR was working too…
Then I started to lose network drives again… and other computers on my lan could not find the internet and I was losing streaming to a TV out in the workshop.
Checking out there in the workshop, I finally got to the bottom of the stream issue, it was a bad network jack on an end of a cable. I cut that off and re-terminated and all was well, the whole network seemed to come back and all computers and drives seemed to work.
Took a few weeks off, and recently booted the computers and flex radios, and could not find any radios in the chooser for Computers #1 and #2.
I rebooted the Flexs, disconnected power, etc. Checked the LAN connections (green only light on the back of the radios, strange I thought as I thought I read that yellow showed “connected”) but the network switches showed activity. I’m thinking I lost the network card in the radios? So I booted up computer #3.
The first thing I noticed computer #3 was not connected to the internet. Strange I thought. Rebooted, etc. no change, it was exhibiting the similar symptoms when I was tracking down the bad network cable…
However, I started SmartSDR and wow, all three Flex-6600s showed up in the chooser, I’m thinking Whaat??
I remember reading that if the flex was connected directly to a computer without a gateway or DHCP source, it would connect to the computer on a default internal IP address, I could not find the post, but sure enough, the computer was found to be on 169.254.78.153 (255.255.0.0 subnet) So that made sense that it was not on the internet through my 192.168.0.2 thru 254 network.
Checking the IP addresses of the three Flex6600 by hovering the mouse over them revealed that they too were on a 169.254.x.y IP address. Getting into the radios, they were all set to DHCP as they were before. The subnet for all was 255.255.0.0. Im not sure why but the “x” in the IP addresses were different, but were all showing up in the chooser. (Perhaps all is needed is 169.254 ?)
So, I though I guess that makes sense, all on their own same little internal network and so the chooser on that particular computer was the only one that could see the radios.
So, with that I decided to change one of the radios IP addresses so I could see it on the real network, basically thinking to get them all changed over, then fix computer #3 IP addressing problem.
So, I changed one of the radios to static IP, 192.168.0.101 and the proper subnet 255.255.255.0 (which best I could tell that IP address was free on my network.)
The radio rebooted and I checked the other computers on the proper lan IP and the chooser still did not show the flex…
So I shut everything down, radios and computers, disconnected power and waited, etc, and brought it all back online.
Nothing, the Flex radio with the changed IP address would not show up in the chooser of the other computers. It would not even show up in my router map which shows all the clients.
Strange I thought, so I went back to computer #3 and started the chooser, all three Flexes still showed up there! Even the one with the changed IP address of 192.168.0.101. I even hovered the mouse over it and it reported the IP address I had set.
However, when I tried to connect to it, it would say the radio could not be found. But dang it, it wont show up in the other computers with the proper lan address.
I checked those other computers also, windows defender and firewall, SmartSDR is allowed TCP and UDP, I don’t run any third party stuff. I have run Trace Route, no double NAT here..
So, I think I know what to do, power button hold down to white flashing to reset, but what the heck, is there something else I can try before I do that and have to reload my transverter settings, etc.?
This one has me baffled, again I think its windows……
Any help appreciated.
73 – Mike – KM0T
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