We’ve upgraded our CCR 1036s to 45.7 but ever since upgrading, we started noticing high CPU utilization whenever WAN interfaces reach maximum bandwidth capacity
Our topology is the Core router and then connected to 2 Edge routers. When Edge 1 was having issues with CPU due to high traffic, we routed traffic to the other Edge and that too suffered from high CPU utils
Traffic is route marked but no logging applied on the mangle rules
What version was installed before 6.45.7 that didn’t have high CPU problem?
We have the same problem on simple queues on 6.45.6 on our 1036. It caps our bandwidth to 400mbps with CPU reaching 100%. We tried to change queue type, queue size, but only success was when I disable the queues completely.
My guess is that management process actually deals with winbox. You should try to connect to the router using terminal only (no winbox) via ssh (e.g. use putty for windows) … and observe CPU load from CLI.
Commands /system resource print (for overview) or /tool profile cpu=all (for details) should show you real router state.