Configuration settings for Sonic fiber for Ubiquiti Dream Machine?

[shio_ramen]

I have a Ubiquiti Dream Machine SE hooked up directly to the Sonic ONT and seeing a lot of issues many times daily related random packet loss and even disconnects. It's bad enough that I can't do Zoom calls anytime through the day without mid-call stutters.

Does anyone know what settings I should be using for these 2 page to ensure best performance (Sonic offers up to 8700Mbps) and reliability with Sonic Fiber?

https://imgur.com/a/oVlxgkS
https://imgur.com/QXuUmoj

[kgc]

I took a quick look at your circuit and I don't see any obvious problems and so the first step is going to identify where the problem actually is. When you're experiencing the issue, have you tried to isolate it using ping, mtr and traceroute? Do you have significant errors shown on your internal or wan ports if you look at /network/default/ports/portManagement in the ui?

PS: If you enable inbound icmp echo and the replies - which is not a substantive security risk - our monitoring systems will track icmp latency/loss to the wan port on your router which helps us monitor the quality of service and can aide in troubleshooting these kinds of problems.

[shio_ramen]

To be clear, I just followed the "auto" config settings provided by Ubiquiti after plugging it in to the wall outlet and provided Adtran ONT, and it kinda works except for the issues.

When you're experiencing the issue, have you tried to isolate it using ping, mtr and traceroute? Do you have significant errors shown on your internal or wan ports if you look at /network/default/ports/portManagement in the ui

@kgc - the Ubiquiti UI would report disconnections and high packet loss from the Sonic.ISP network.

I actually just got a reply from Ubiquiti an hour ago. Ubiquiti's UniFi Routing & Switching escalation support team said they did their own troubleshooting and can pinpoint the the "Adtran SDX622v XGSPON ONT" model as the root cause for the internet disconnection issues. They acknowedged that there is an apparent known issue with Adtran ONT having interoperability issues with the Dream Machine SE (and similar models). Their recommendation to customers is to get the ONT swapped out to a different model with the ISP's help, while the stopgap solution for end-user is to put another switch/router in between just to offset the issues caused by Adtran ONT.

Definitely very underwhelmed with the transition to Sonic fiber so far given it’s been less than smooth

[kgc]

Definitely very underwhelmed so far.

UBNT makes me think of the opening line of the Tale of Two Cities although it feels like their QA has improved a lot over the past couple of years. I use a UDM Pro at home but unfortunately it's not on our network, but I know many other customers are and are also presumably behind a 622v which is the ONT we use on all of our existing 10g network. We are functionally not able to swap this ONT out for a different model or vendor at this time.

Do you have bug or ticket numbers for the issue? We may be able to see if Adtran is aware.

[klui]

Maybe Ubiquiti is referring to https://www.reddit.com/r/Ubiquiti/comme ... fter_only/?

Since the UDM SE doesn't have a native 10Gbase-T port maybe the issue is with the copper converter OP is using.

OP should try the 2.5 Gb port and confirm if it's the ONT or the SFP+ data path.

[shio_ramen]

Maybe Ubiquiti is referring to https://www.reddit.com/r/Ubiquiti/comme ... fter_only/?

Since the UDM SE doesn't have a native 10Gbase-T port maybe the issue is with the copper converter OP is using.

OP should try the 2.5 Gb port and confirm if it's the ONT or the SFP+ data path.

The issue occurs even with the 2.5Gbe port on the Dream Machine, so the issue actually isn’t caused by the use of SFP+ module (which is also brand new from Ubiquiti https://store.ui.com/us/en/products/uacc-cm-rj45-mg.

The disconnects and big packet losses can happen randomly, intermittent, anytime throughout the day… even when there’s very low bandwidth usage. The SFP+ module is lukewarm because it’s not even getting pushed hard by the load.

I’ve also swapped all the new cabling to also isolate any potential causes by cabling to know cabling isn’t the cause.

[klui]

Your UDM SE is running the latest firmware? What about the previous firmware version?

Does the UDM show what kinds of errors the port is accumulating?

https://www.reddit.com/r/Ubiquiti/comme ... achine_se/

[shio_ramen]

Your UDM SE is running the latest firmware? What about the previous firmware version?

Does the UDM show what kinds of errors the port is accumulating?

https://www.reddit.com/r/Ubiquiti/comme ... achine_se/

The UDM SE is less than 7 weeks old. Updated and running all the latest OS and firmware.

The errors as I stated in my previous message are like the following in UniFi. They can happen multiple times daily, at random times.

Your primary internet Sonic.net, LLC was disconnected and has been restored multiple times in last 24h. If this persists, please try restarting your ISP Modem.
Dec 19, 2024 at 11:52 PM
Primary internet is experiencing packet loss. Please restart the modem or contact the ISP if this persists.
Dec 19, 2024 at 1:52 AM

As such, the errors aren’t like what the Reddit post errors you posted at all.

Do you actually have a UDM Pro/Max/SE directly connected to the same Adtrans ONT model provided by Sonic to have the same setup?

[kgc]

A couple of us have asked the same question, we're trying to figure out if you're seeing errors on the interface itself.

Assuming the SE has the same interface that the Pro does, what does this page show you for your WAN port?

https://[YOURIP]/network/default/ports/portManagement

Screenshot 2024-12-20 175858.png (188.03 KiB) Viewed 10801 times

Honestly though, ifconfig on the cli gives you little better details anyway.

My Port 9 maps to eth8 ->

eth8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
...
RX packets 2806658731 bytes 3588080340608 (3.2 TiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 874485006 bytes 212797447680 (198.1 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

"ethtool -S interface" might also give you some information.

[shio_ramen]

Yes, the Unifi interface for UDM Pro/Max/SE should be all the same.

The port management page is clean as a whistle.

Looking at your screenshot, it seems like you're not even connected to Sonic.net Fiber's Adtrans ONT and have a different setup. As such, not 1-to-1 it seems.

Nonetheless, the Unifi interface always reports the UDM SE to always reconnect immediately (e.g. 1s after, and at worse ~10s after).