you guys are both right. However, after more analysis, tcpdumps on the firewall i figure it out. The issue was on the AP, because although it has an IP in vlan 1 native (untagged), it does not have a...

Model : Hardware Version : Firmware Version : ISP : Hello guys, I just bought a SG108E switch and in my setup i encounter an issue. My setup: -Sophos home made firewall with 3 interfaces (WAN, LAN1...