How to configure a switch

[oxygen_80]

i want to configure my switch as a gateway

 

[Emerald]

what is the model number of the device?

usually a router is used to have a gateway

 

[tf116]

i want to configure my switch as a gateway

Is the switch in question a layer 2 or three switch? A layer 3 switch on the Network layer can be configured just like a router.