Sorry for my English I use Google translator
Ports 2 and 3 are switched off after a certain time when you connect to the motherboard asus hero vii. After rebooting, the ports 2 and 3 are not working. you must turn off the router and wait a few minutes …
Ports 4 and 5 operate without problems.
when working with connection ports 2 and 3 through the router dlink des-1005d to the motherboard asus hero vii ports work is not turned off
https://www.youtube.com/watch?v=c4J60FN2R3U
when i connect the router to a isp cable , through a random time isp router rstp protection is turned off port, I must to call my ISP support ask port on
support advised to replace the router
tried different firmware, not the problem disappeared
store service center where they purchased this problem with a router is not found