diff --git a/input/grid5000/ipv4.yaml b/input/grid5000/ipv4.yaml
index b1e25ed7bfc7c90c3394a3721815f87c6bb477f0..2d92334bd3385671f34730fb0345b2361331b382 100644
--- a/input/grid5000/ipv4.yaml
+++ b/input/grid5000/ipv4.yaml
@@ -83,6 +83,8 @@ ipv4:
       rennes abacus21 eth0 0 0 13 20
       rennes abacus22 eth0 0 0 13 21
       rennes abacus25 eth0 0 0 13 24
+      rennes abacus26 eth0 0 0 13 28
+      rennes abacus27 eth0 0 0 13 29
       rennes roazhon1 eth1 0 0 14 0
       rennes roazhon2 eth0 0 0 14 1
       rennes roazhon3 eth0 0 0 14 2