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[Guest_1]

Glad changing the MTU sorted your issues out, for myself the loss of 8Mbps after 24 hours is a no go, and the doubling of my ping as well along with the massive upload spikes doing a speedtest on TTB, 300-400ms when its normally 20ms on my current modem shows something isn't right for me still. Hope it continues to work well for you. Whats your speedtest like on upload? Also if you dont mind me asking whats the amount dropped from the 130 throughput wise.

[hushcoden]

That's the current status of my Vigor 166: how bad is it?

[omegapoint]

That's the current status of my Vigor 166: how bad is it?

Do you know what it was like with your previous modem? Those spikes regular could be caused by the router (see "My graph has lots of very regularly spaced yellow spikes on it!" on https://www.thinkbroadband.com/faq/broadband-quality-monitor)

[Guest_1]

That's the current status of my Vigor 166: how bad is it?

Did you change your MTU to 1500?

[hushcoden]

Did you change your MTU to 1500?

Yes, since day 1

[Newfie]

Yes, since day 1

Could I ask what router you are using?

[hushcoden]

Could I ask what router you are using?

OPNsense

[omegapoint]

OPNsense

I've been advised turning the MTU down to 1492 might help further but not trying it myself at the moment as I want to leave my line stable for  a few days.

[hushcoden]

I've been advised turning the MTU down to 1492 might help further but not trying it myself at the moment as I want to leave my line stable for  a few days.

Done, let's see if it makes any difference, thanks.

[Newfie]

Done, let's see if it makes any difference, thanks.

I’ve also been on to tech support and the same advice is to try 1492. Am testing now.

[Newfie]

I've been advised turning the MTU down to 1492 might help further but not trying it myself at the moment as I want to leave my line stable for  a few days.

That great, thanks for the info. I’m using a RAX120 so that could be why I don’t have your latency at night possibly.

[omegapoint]

That great, thanks for the info. I’m using a RAX120 so that could be why I don’t have your latency at night possibly.

I've got a Ubiquiti UDM Pro, but my line has always had pretty variable latency. I'm guessing there is either a lot of cross-talk (the cabinet refuses to turn on downstream vectoring), or congestion from the cabinet as the latency increases early morning even if my line itself is idle.

[Newfie]

I’m still seeing large latency on the upload on thinkbroadband test compared to the HG612 but I’ve QoS on the upload on the 612 and so I’m not sure if that and being a different chipset is the cause.
I’m a router guy so never spent much time on the modem side so a learning curve hear.

[Newfie]

Still having dropped packets and I’ve used PingPlotter to look more at it. A simple small photo sending to a friend results in drop packets, send a photo to myself on say iMessage results in drop packets.
I’ll leave it on for to night with thinkbroadband monitoring going.

Here’s a link to the live monitoring if anyone wishes to look.

https://www.thinkbroadband.com/broadband/monitoring/quality/share/9c9377a3e70d21f7b9bdec1a6705a614c8c6385d

[omegapoint]

Still having dropped packets and I’ve used PingPlotter to look more at it. A simple small photo sending to a friend results in drop packets, send a photo to myself on say iMessage results in drop packets.
I’ll leave it on for to night with thinkbroadband monitoring going.

Here’s a link to the live monitoring if anyone wishes to look.

https://www.thinkbroadband.com/broadband/monitoring/quality/share/9c9377a3e70d21f7b9bdec1a6705a614c8c6385d

Without some sort of QoS it isn't unusual to see packet loss when a line is busy, especially as pings can be dropped sooner then other traffic by some routers. Though I'd be surprised if iMessage was pushing enough traffic to trigger it on it's own without something being wrong somewhere.

I'm using smart queues on my UDM Pro which is the equivalent of share evenly traffic shaping in OPNsense (https://docs.opnsense.org/manual/how-tos/shaper_share_evenly.html). I do have to cap it at a couple of Mb below my sync speed but it means even a heavy download won't cause enough of a latency change to be a problem for video calls. I'm happy to trade a bit of speed for the stability it gives.