My mom and I have noticed here lately that the remote streaming has been hit or miss. My IP hasn't changed (I check this first all the time) but the remote clients will initially not be able to find the DVR server. Then randomly it will pop up after some time sitting on the connect screen. I submitted diagnostics from my moms device and iPhone and sent an email to support last week. I haven't heard back yet so I thought I would post here too incase anyone else is having similar experiences.
If you go to https://my.channelsdvr.net/speedtest remotely what sort of speeds are you seeing?
Looking at your logs I am indeed seeing a number of timeouts trying to connect to your DVR.
That Jitter definitely looks high, but I wouldn’t expect it to be fatal. Do you have any issues using your DVR from within your house?
Never...it always works.
My mom's ATV4k is on I think a 30Mb connection through ATT. She has it directly wired into her router. The fact that it is happening on 2 separate devices is what has me thinking its something outside the scope of the client (unless it has something to do with the app itself)
If you download the Speedtest app on her Apple TV and run it what kind of results do you get?
Download 30.0 Mb
Upload .58 Mb
Ping 38 ms
Jitter 1.7 ms
Loss 2.8%
Download isn’t bad but that upload is very slow. 2.8% packet loss is also not good. I’ve seen this issue too where the DVR isn’t discovered initially, and after a number of seconds it suddenly finds it and starts to load. This was on my LAN even. In my case it ended up being that my server was overwhelmed and performing very slowly. Once I resolved those issues I haven’t had the problem any more. This leads me to believe it’s a symptom of slow response from the server. It could be the server itself, but in your case it’s mostly likely the connection between you and the server. I’m not sure how “chatty” the conversation is back and forth when the discovery is occurring, but if there is a lot of back and forth, any latency on the connection is going to be multiplied. That’s my best guess at this point, without further info.
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My mom had an ATT tech come out to her apartment and he found some data loss on her line. They have fixed that and she is now getting 35 down and 5 up. No packet loss and .32ms jitter.
I just had my mom submit new diagnostics after I upgraded to the pre-release. I had her shut down the app and open it back up. Still no access. Any help would be greatly appreciated.
Can you clarify what the current status is? Is it not connecting at all, or does it just take a bit to find it?
Right now her ATV4K cannot find my DVR at all.
I have confirmed that I can connect to it remotely.
I had her uninstall the app, reinstall and I redid the authentication….no bueno. Still goes to the connect screen.
So your phone on the same network as the Apple TV works, but the Apple TV doesn’t?
Sorry I didn’t clarify.
My phone is on VZW cellular. That is what works.
My mom is an hour away from me using her home internet.
I'm guessing the majority of my problems is because I only have a public IPV6 address. Its been a pain in my ass since my internet provider went to that.
Does my.channelsdvr.net load from that network?
All the diagnostics show is that iOS reports the connection attempt failed.
error=Error Domain=NSURLErrorDomain Code=-1004 "Could not connect to the server." UserInfo={_kCFStreamErrorCodeKey=49, NSUnderlyingError=0x28144af70 {Error Domain=kCFErrorDomainCFNetwork Code=-1004 "(null)" UserInfo={_kCFStreamErrorCodeKey=49, _kCFStreamErrorDomainKey=1}}, _NSURLErrorFailingURLSessionTaskErrorKey=LocalDataTask <F1A93D2E-2992-4AC7-AF11-B56D767D235E>.<97>, _NSURLErrorRelatedURLSessionTaskErrorKey=(
"LocalDataTask <F1A93D2E-2992-4AC7-AF11-B56D767D235E>.<97>"
), NSLocalizedDescription=Could not connect to the server.,I'll have her test that when she gets home. Any other day she never leaves her apartment...they day I need her she's gone 
If your mom's ISP does not have IPv6 support, it isn't going to be able to connect to an IPv6-only DVR. Is that the situation?
She’s been using my dvr for months. Her isp does support ipv6.