Inter Vlan Configuration

Hi Team, I need help for configuring D’link DES-3250TG L2 switch as we require vlan configuration in this and i configured the same but it is not getting communicate with Sophos Firewall where i configure one port of it with same vlan and it’s dhcp range rule. Any one having idea how to make them communicate.

please share the configuration. It helps

this switch having graphical console with default ip and even i tried with putty but not having commands like Cisco Swict for configuring vlans i have followe its data sheet hich i have attached over here, let me know if this helps or not. ( let me know if you found trunk related info in this for forwarding vlan info to the firewall.)