1: Check USB-applications -> Servers Center: and check the four servers if any of them are running: Media server, Samba, NFS and FTP.
(itunes server is off, enagle dlna media server is ON, Media server status is IDLE, media path has all disks shared checked. Network Place Samba Share Cloud disk. Enable Share is ON, FTP share tab. both are off.
2: Check if you have Smart-QoS running (under Traffic Control).
(this is OFF)
3: Check if you have (under LAN -> Switch Control), NAT-acceleration, Spanning Tree or Jumbo-frame activated.
(Enable Jumbo Frame is disable, Nat Acceleration is AUTO.)
4: Check in "Wireless - 5G -> Professional (and on General) if you have B/G-protection on and what channel and bandwidth (20 or 40 or 20/40) and if you have "N only", "Legacy" or "Automatic" on.
(frequency is 5ghz, wireless mode is auto, channel bandwith is 20/40. i cant find b/g setting anywhere)
Please report back a ON/OFF/YES/NO on these settings.