Google Meet doesn't use the ports you think
Someone in the house reported choppy Google Meet calls. I have QoS on the router — a MikroTik RB5009 running fq-codel with a three-tier queue tree, shaped both directions — and conferencing traffic is supposed to be in the priority lane. So either the QoS wasn’t working, or Meet wasn’t landing in the lane I thought. Measuring first, from a wired host on the same segment: zero packet loss to the gateway, to the affected machine, and to 8.8.8.8, with 0.05 ms jitter on the LAN and 0.71 ms to the internet. Nothing wrong at the time I looked, which already suggested I was chasing something intermittent and load-dependent rather than broken. ...