@MidhunKollam Go to Google, search the Omada ER605, and you will find the omadanetwork.com You should go to the support page and find the download for your hardware. We usually select the 2.0, and...

@highlife_01 VLAN created on the Omada router would be automatically tag on the ports. In another sense, it will be automatically tagged.

@vyapud You can refer to this guide: What If My Windows Computer Is Not Accessible or Pingable Over the VPN/VLAN Interface

@anuraag Reason? A user case or scenario? Please provide details and the reason.

@guyd2 Diagram of the network and Wireshark to see if it is the router that assigns the IP. How to capture packets using Wireshark on SMB router or switch

@MMarcel Thanks for sharing this information. To get PXE boot working, you are required to use DHCP option 66, 67 and the Next Server. It is like this all the time.