Step 5: Here you can configure the NAT. If you are not an advanced user, the default settings are recommended and then
click Next.
Step 6: Configure a WAN interface as the default gateway.
Step 7: Configure DNS server (Select an available DNS server interface or use a specified DNS server); configure IPv6
DNS server (Obtain IPv6 DNS info from a WAN interface or use a specified DNS server), and then click Next.
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