switch-setup.markdown

@@ -5,7 +5,7 @@
 | -------- | -------- | -------- |
 | 1 | SDN Control Node | sdn control 1 |
 | 2 | empty | sdn control 2 |
-| -------- | -------- | -------- |
+|  |  |  |
 | 3 | Cloud Control Node | legacy |
 | 4 | Network Node | legacy |
 | 5 | Storage Node | legacy |
@@ -15,14 +15,14 @@
 | 22 | Compute Node 16 | legacy |
 | 23 | empty | legacy |
 | 24 | empty | legacy |
-| -------- | -------- | -------- |
+|  |  |  |
 | 25 | Compute Node 01 | sdn managed |
 | ... | Compute Node xx | sdn managed |
 | 40 | Compute Node 16 | sdn managed |
 | 41 | empty | sdn managed |
 | ... | empty | sdn managed |
 | 48 | empty | sdn managed |
-| -------- | -------- | -------- |
+|  |  |  |
 | 49 (10Gb) | Network Node | sdn managed |
 | 50 (10Gb) | empty | sdn managed |
 | 51 (10Gb) | Storage Node | sdn managed |