I have a mikrotik with packet loss 0.1-5 percent. And eth6-9 speeds are occasionally switched. I have attached the configuration. The cables are eth5 and are fine. Network cards on other devices too.
LOG:
17:31:39 interface,info ether6 link down
17:31:39 interface,info ether7 link down
17:31:39 interface,info ether8 link down
17:31:39 interface,info ether9 link down
17:31:42 interface,info ether7 link up (speed 1G, full duplex)
17:31:42 interface,info ether8 link up (speed 1G, full duplex)
17:31:43 interface,info ether6 link up (speed 1G, full duplex)
17:31:43 interface,info ether8 link down
17:31:43 interface,info ether9 link up (speed 1G, full duplex)
17:31:44 interface,info ether8 link up (speed 1G, full duplex)
hideconfig.rsc (5.61 KB)