It might be worth checking if there have been any changes to the default TCP settings between these versions. Have you tried adjusting TCP window sizes or disabling FastTrack to see if that makes a difference? That is a new empty CHR installation, its firewall rules list is empty, so there is no Fa...

Exactly the same default CHR config. No ROS firewall at all (I've posted full config before). I've tried 7.12 and it was the same. Not sure about the endpoints - where can I check it? By endpoints, I meant how you ran the tests, like whether you ran them between two different CHRs on the same GC, b...

Okay, with the same config as v6? Then it might be 7.18.1. Have you tried 7.15.3 or 7.16.2? Btw, just wondering, are you using some kind of default ROS firewall config while testing? What endpoints are you using while testing? Exactly the same default CHR config. No ROS firewall at all (I've posted...

Sadly it is something with ROS7. Exactly the same instance, the same VPC, but RouterOS 6 gives high download speed for the same actions. [admin@MikroTik] > /tool fetch url="https://download.mikrotik.com/routeros/7.18.1/chr-7.18.1.vhd.zip" status: finished downloaded: 40597KiB total: 40597K...

I have exactly the same issue. GCE - empty new project, us-central1-c zone, e2-micro instance type, default rules for firewall, default VPC with mtu 1460. CHR - configured as in https://wiki.mikrotik.com/Manual:CHR_GCE. Upgrades from 6.42 to 6.49 and 7.12 were fast. Upgrade from 7.12 to 7.18 was imp...