allow setting advertise address

network/default.go

@@ -86,11 +86,17 @@ func newNetwork(opts ...Option) Network {
 		tun.WithTunnel(options.Tunnel),
 	)
 
+	// set the address to advertise
+	address := options.Address
+	if len(options.Advertise) > 0 {
+		address = options.Advertise
+	}
+
 	// server is network server
 	server := server.NewServer(
 		server.Id(options.Id),
 		server.Address(options.Id),
-		server.Advertise(options.Address),
+		server.Advertise(address),
 		server.Name(options.Name),
 		server.Transport(tunTransport),
 	)
@@ -108,7 +114,7 @@ func newNetwork(opts ...Option) Network {
 	network := &network{
 		node: &node{
 			id:      options.Id,
-			address: options.Address,
+			address: address,
 			peers:   make(map[string]*node),
 		},
 		options:   options,