Fix issue when cannot skip slots for Dynamips routers. Fixes https://github.com/GNS3/gns3-gui/issues/3000

gns3server/controller/ports/port_factory.py

@@ -197,24 +197,23 @@ class DynamipsPortFactory:
     def __new__(cls, properties):
 
         ports = []
-
         adapter_number = 0
         wic_slot = 1
         wic_port_number = wic_slot * 16
         display_wic_port_number = 0
         for name in sorted(properties.keys()):
-            if name.startswith("slot") and properties[name]:
-                port_class = cls.ADAPTER_MATRIX[properties[name]]["port"]
-                if port_class:
+            if name.startswith("slot"):
+                if properties[name]:
+                    port_class = cls.ADAPTER_MATRIX[properties[name]]["port"]
                     for port_number in range(0, cls.ADAPTER_MATRIX[properties[name]]["nb_ports"]):
                         name = "{}{}/{}".format(port_class.long_name_type(), adapter_number, port_number)
                         port = port_class(name, adapter_number, adapter_number, port_number)
                         port.short_name = "{}{}/{}".format(port_class.short_name_type(), adapter_number, port_number)
                         ports.append(port)
                 adapter_number += 1
-            elif name.startswith("wic") and properties[name]:
-                port_class = cls.WIC_MATRIX[properties[name]]["port"]
-                if port_class:
+            elif name.startswith("wic"):
+                if properties[name]:
+                    port_class = cls.WIC_MATRIX[properties[name]]["port"]
                     for port_number in range(0, cls.WIC_MATRIX[properties[name]]["nb_ports"]):
                         name = "{}{}/{}".format(port_class.long_name_type(), 0, display_wic_port_number)
                         port = port_class(name, 0, 0, wic_port_number)
@@ -222,7 +221,7 @@ class DynamipsPortFactory:
                         ports.append(port)
                         display_wic_port_number += 1
                         wic_port_number += 1
-                    wic_slot += 1
-                    wic_port_number = wic_slot * 16
+                wic_slot += 1
+                wic_port_number = wic_slot * 16
 
         return ports