this is my top
pc(winbox3.18)------ros1(nat)------------vpn----------------ros2
when i use pc to connect ros2
from winbox ,i see that the cpu usage get 100% at first(sometimes it continues 20s),i check the cpu profile,the cpu usage is as flows
management 100%
so what is the reason …
i found the reason
when i clear cache of the winbox
it works fine