diff --git a/infrastructure/reseaux/map-port.md b/infrastructure/reseaux/map-port.md
index 6d94811..d2c63ca 100644
--- a/infrastructure/reseaux/map-port.md
+++ b/infrastructure/reseaux/map-port.md
@@ -25,7 +25,7 @@ Le tableau ci-dessus corresponds au mapping actuelle des ports des switch
 |18  | horst    |          |
 |19  | aurore   |          |
 |20  | vr       |          |
-|21  |          |          |
+|21  | ethernet |          |
 |22  |          |          |
 |23  | carapuce | arceus   |
 |24  | carapuce | arceus   |