C125 Windows 10 Connection Problems

[Daspion]

I have had intermittent connection problems with windows 10 and a C125 display for a while now. When the software was unable to find the device I would have to uninstall the dash software and re-install it to be able to connect to the dash. I tried turning off the firewall/AV/VPN connections but it has not helped.

Looking at an older forum post it mentioned the connection log which i dug up. In it there are a few lines which are below that look to be a problemwith the connection to the dash

Fri Jan 3 17:03:18 2020: Registering new address record for 169.254.213.51 on Ethernet 2.IPv4.
Fri Jan 3 17:03:21 2020: Received record with bad TTL [Racecraft.local IN A 169.254.213.51 ; ttl=60]. Refreshing.
Fri Jan 3 17:03:21 2020: Received record with bad TTL [Racecraft.local IN A 192.168.1.163 ; ttl=60]. Refreshing.
Fri Jan 3 17:03:22 2020: Received record with bad TTL [Racecraft.local IN A 169.254.213.51 ; ttl=60]. Refreshing.
Fri Jan 3 17:03:22 2020: Received record with bad TTL [Racecraft.local IN A 192.168.1.163 ; ttl=60]. Refreshing.
Fri Jan 3 17:10:09 2020: Interface Ethernet 2.IPv4 no longer relevant for mDNS.
Fri Jan 3 17:10:09 2020: Leaving mDNS multicast group on interface Ethernet 2.IPv4 with address 169.254.213.51.
Fri Jan 3 17:10:09 2020: Withdrawing address record for 169.254.213.51 on Ethernet 2.
Fri Jan 3 17:10:09 2020: Received record with bad TTL [Racecraft.local IN A 192.168.1.163 ; ttl=60]. Refreshing.
Fri Jan 3 17:10:12 2020: Received record with bad TTL [Racecraft.local IN A 192.168.1.163 ; ttl=60]. Refreshing.
Fri Jan 3 17:10:12 2020: Received record with bad TTL [Racecraft.local IN A 192.168.1.163 ; ttl=60]. Refreshing.

Any suggestions as to what would be causing this and how to correct it?

Thanks in advance

[David Ferguson]

When this happens, have you tried power-cycling the dash, and re-booting the PC?

Can you describe your network setup? -- Is the dash connected directly to the PC with twisted pair ethernet cable, or are you connected them each to other network devices (like an ethernet switch, or using a wifi router)?

BTW - my biggest connection problem is when I inadvertently start the C185 dash manager instead of the C125 (or vis-versa). The two software look the same, but won't find the others device....

[z0mgchris]

I had issues with a bad pair in one of the cables I was using from memory. Have had issues where the dash needed to power cycle as well as my laptop requiring a restart. sometimes the most obvious things that you would normally rule out, just work.

[Daspion]

When this happens, have you tried power-cycling the dash, and re-booting the PC?

Can you describe your network setup? -- Is the dash connected directly to the PC with twisted pair ethernet cable, or are you connected them each to other network devices (like an ethernet switch, or using a wifi router)?

BTW - my biggest connection problem is when I inadvertently start the C185 dash manager instead of the C125 (or vis-versa). The two software look the same, but won't find the others device....

I have tried all the possible combinations of cycling the dash, PC, plugging in the ethernet cable. I made a chart to do combos to make sure I wasnt repeating a test either. It is a direct connection with ethernet cable. I tried a different cable as well just to make sure I didnt have a bad one.

I confirmed I have the c125 software, I was using the august release and tried the sept release but I am getting the same outcome.

[Daspion]

I had issues with a bad pair in one of the cables I was using from memory. Have had issues where the dash needed to power cycle as well as my laptop requiring a restart. sometimes the most obvious things that you would normally rule out, just work.

I grabbed a new cable last night just to make sure. I pulled one from a working network array I have at home and ran a cable test on it to make sure all the pairs were good which they are.

[z0mgchris]

That's an odd one! Hopefully one of the staff can chime in and have a look into it for you! would be interesting to see what the resolution is! if you fix it in the meantime, let us know!

[SprinterTRD]

Try enabling IPV6 on your PC

[Daspion]

Try enabling IPV6 on your PC

That was it. Under the network adapter settings the IPV6 option had gotten de-selected.

I am back in business.