diff --git a/input/grid5000/vlans.yaml b/input/grid5000/vlans.yaml
index e3e9133d645b6a5f9cfb3058500e3b457ae73e2e..394a1d12977203ecc341daa68075bbd279cf84ae 100644
--- a/input/grid5000/vlans.yaml
+++ b/input/grid5000/vlans.yaml
@@ -63,6 +63,7 @@ vlans:
       local grenoble yeti eth0 0 0 0 0
       local grenoble dahu eth0 0 0 1 0
       local grenoble troll eth0 0 0 2 0
+      local grenoble troll eth1 0 0 3 0
       local lille chetemi eth0 0 0 0 0
       local lille chetemi eth1 0 0 1 0
       local lille chifflet eth0 0 0 2 0
@@ -126,6 +127,7 @@ vlans:
       global lille chiclet eth0 0 0 5 0
       global lille chiclet eth1 0 0 5 100
       global grenoble troll eth0 0 0 6 0
+      global grenoble troll eth1 0 0 7 0
       global lyon sagittaire eth1 0 0 8 0
       global lyon taurus eth0 0 0 9 0
       global lyon orion eth0 0 0 10 0
@@ -173,6 +175,7 @@ vlans:
       routed grenoble yeti eth0 0 4 0 0
       routed grenoble dahu eth0 0 4 1 0
       routed grenoble troll eth0 0 4 2 0
+      routed grenoble troll eth1 0 4 3 0
       routed lille chetemi eth0 0 8 0 0
       routed lille chetemi eth1 0 8 1 0
       routed lille chifflet eth0 0 8 2 0