diff --git a/dev_env_data/clab/gosdn_slim.clab.yaml b/dev_env_data/clab/gosdn_slim.clab.yaml
index d5c3b903c6a459e497f88f1f81f5706d5d65bcd6..2091389a8752aaee4911fdfbc1dc31c437a84479 100644
--- a/dev_env_data/clab/gosdn_slim.clab.yaml
+++ b/dev_env_data/clab/gosdn_slim.clab.yaml
@@ -4,6 +4,7 @@ mgmt:
   network: gosdn-csbi-arista-base-net
   ipv4-subnet: 172.100.0.0/16
   ipv6-subnet: 2001:db8::/64
+  mtu: 1500
 
 topology:
   nodes:
@@ -30,7 +31,9 @@ topology:
 
     gnmi-target-switch0:
       kind: linux
-      image: registry.code.fbi.h-da.de/danet/gnmi-target/debian:package
+      image: registry.code.fbi.h-da.de/danet/gnmi-target/debian:master
+      #only for local use
+      #image: gnmi-target:latest
       binds:
         - ../../artifacts/ssl/gnmi-target:/etc/gnmi-target/ssl
       ports:
@@ -42,7 +45,9 @@ topology:
 
     gnmi-target-switch1:
       kind: linux
-      image: registry.code.fbi.h-da.de/danet/gnmi-target/debian:package
+      image: registry.code.fbi.h-da.de/danet/gnmi-target/debian:master
+      #only for local use
+      #image: gnmi-target:latest
       binds:
         - ../../artifacts/ssl/gnmi-target:/etc/gnmi-target/ssl
       ports: