@abedmafz If your using this switch as an unmanaged switch then try a reset

First look - ports 5 an 7 should have PVID 30 as they are tagged for VLAN 1 or they should have PVID 1 if you swap their tagged/untagged status for VLANs 1 and 30. Port 3 is untagged on VLAN 10 and...

I have a new site I'm setting up with an ISP supplied router. The site is on our private WAN and 10.10.40.0/21 is being routed to this site. VLAN1 10.10.40.0/24 gateway 10.10.40.2 (the isp router is...