SmartSDR does NOT see 6500 on LAN, but it's defintitely there.

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  • Updated 3 years ago
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New setup of a Flex-6500, cannot see it with SmartSDR.  does not show up on the left.   I can ping it, I can see it on the network, but SSDR can't.  Irritating.   Win7 firewall is supposedly setup to allow the required ports, this is bizarre.   Both the 6700 and the PC are connected to the same switch.   Have tried going through another one to eliminate that possibility.  
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Lee Maisel

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Posted 3 years ago

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Mark - WS7M

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So I assume when you pinged it somehow you found it by Mac address?

SmartSDR has to see UDP packets from the radio to find it. The only reason it would not show up on your PC is somehow UDP packets are not getting from the radio to your computer.

One thing to try:

Plug your computer LAN port DIRECTLY to the radio. I know this sounds weird but both should get a private IP and then try running SmartSDR. If it sees it then you know the problem is not in your firewall.

If you do not see it in this case then try disabling Windows firewall completely and see if that helps.

I have had issues in the past with Windows firewall doing strange things.
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Lee Maisel

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Tried doing a factory reset on this thing, it CLAIMS to do so, then comes up with the callsign, obviously didn't clear anything.
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Larry da Ponte

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Although there could be a lot of causes for not finding the flex on the network, I had this happen when my laptop's wireless connection to my home access point was set to public which blocked some traffic. Wires hark showed the discovery packets but the radio would not show up in the smart sdr radio chooser. Setting my wireless connection to private/home resolved the issue.
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Alex - DH2ID, Elmer

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Lee, where is your DHCP-Server? Mine is my DSL router, which is set
for static IP numbers for my Flex6k5 (and all my Android devices).

My setup is:
Router DHCP/static
<-> Gigabit switch <->
|-> Sony VAIO i7 notebook
|-> Flex 6k5
<~> Android tablets and Smartphones
<~> serveral other notebooks and SmartSDR remote.

This setup works only as long as I start my router first !

As I understand you have a Flex6k7 AND a Flex6k5 connected at
the same time? Maybe there is the issue? Have you tried to connect
only the Flex6k5 ?

Alex - DH2ID
(Edited)
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Lee Maisel

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Hi Alex, no, I ONLY have ONE Flex, and it's a 6500.  :)
at this point, I'm thinking only a hard reset will fix it, but I can't get it to reset to factory defaults.

Wireshark shows the radio at port 4662
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Mark - WS7M

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Lee,

I found the factory reset to be a little strange.  You hold the middle button then turn the radio on.  You have to keep holding the button as it will state factory reset and count down.  If you let go before it completes the count it aborts the reset.

This is how mine works.  Are you sure you are holding the middle button completely in until that count down finishes?
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Tim - W4TME, Customer Experience Manager

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First off, the callsign fields are not reset with a factory reset, along with some other radio specific data.  Only the profiles, persistence and waveforms are reset.

Second, based on your description, if the radio is getting the proper IP address from your DHCP server, then I suspect there is a Internet security suite / virus scanning program that is blocking the radio discovery packet (broadcast) from your PC.  This is usually the case in 99% of the time when there are issues like this.
(Edited)
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Lee Maisel

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HI Tim, I have disabled Windows FIrewall, Avast's firewall, have tried using other machines without the A/V software and no firewall, direct connections, through the router itself, through a network switch, etc.  Pretty much every variation I can think of.   Should I try a very old version of SSDR?  Is there an application that will force a firmware upgrade?  Is there a way of finding out FW version with the front panel?
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Lee Maisel

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OK, after going through FIVE computers, and disabling all AV and Firewalls, and still nothing, as a last resort, I got the oldest version of SSDR you had online, (1.2.17)
And installed it..   LO AND BEHOLD, the radio magically appeared.  I did the update, and now I will try the newer version of software.
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Lee Maisel

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SUCCESS!!!!   After using 1.2.17 to do the Upgrade, I was then able to see the radio with 1.6.21 (latest) and let it do it's upgrade, and FINALLY was able to get in and actually use the software!   YAY!
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Tim - W4TME, Customer Experience Manager

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Ahh.  You indicated in your post this was a "new" setup, but it is an old radio, not a new one which was confusing and why we went down the path of a problem with a firewall.  There was a change in the format of the discovery protocol (v1 to v2).  If the radio is running very old firmware it is using the v1 protocol. 
(Edited)
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Lee Maisel

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LOL  Sorry for the confusion, NEW to ME.  :)  
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Tim - W4TME, Customer Experience Manager

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No problem.  We haven't run into the discovery protocol mismatch in a long while because the uptake of a new version of SmartSDR is usually in the high 90% range within 96 hours of the release.  Have fun with the radio.