Hi, I'm not able to change the ip of the wan, I need the static WAN to configure the IP of my ISP

I did not understand, could be more clear, please.

Hi, I have 3 vlan on the switch (192.168.10.0) -vlan10, (192.168.20.0) -vlan 20 and (192.168.30.0) -vlan 30, I have a gateway provider or router with ip 192.168.1.1, I want Making internet traffic...