Hello, for around the past week our internet connection has been repeatedly either dropping or packet times suddenly seeing large spikes in latency every now and again. As of the past couple days: the bandwidth is around 1/10th of what it should be. Usually downstream is ~220 Mbps and upstream is ~22 Mbps, however, downstream is currently at around ~26 Mbps consistently. All the while the connection drops and latency spikes are still occuring.
We have a Super Hub 2ac in a modem mode with a router connected to it for Wi-Fi access points and routing. The issues do not occur between local devices, just over the wider internet.
I've done the usual obvious troubleshooting stuff, restart router, restart modem, check coaxial cable, try on multiple devices: wired & wireless - but the problem persists.
As far as diagnostics & looking at the logs goes, there are a few "Lost MDD Timeout" entries from just after the router was rebooted, but nothing aside from that.
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Just to add to what I've already said: it doesn't seem upstream is affected (?). My upload speed is the same as it usually is, but my download is very much affected. I was just trying to use a VoIP program called Mumble & have some interesting statistics regarding connection quality.
It looks as thought downstream is taking a huge hit, tons of lots packets. The TCP ping times are also far higher than they should be, with huge ping deviations. Packet loss somewhere along the link? That would explain the high ping times from retransmission. I'm not sure what to do here, I think this is out of my control & needs to be investigated by a VM engineer.
