diff --git a/create-cont.sh b/create-cont.sh
index afe726a..f78a597 100755
--- a/create-cont.sh
+++ b/create-cont.sh
@@ -19,11 +19,11 @@ for net in  $(docker network ls -q);  do docker network rm $net; done
 echo "################################"
 echo "Creation des network dockers pour le TP"
 echo "################################"
-for x in $(seq 0 9); do docker network create --driver bridge brrock_n_$x ;done
-for x in $(seq 0 9); do docker network create --driver bridge brddeb_n_$x ;done
+for x in $(seq 0 4); do docker network create --driver bridge brrock_n_$x ;done
+for x in $(seq 0 4); do docker network create --driver bridge brddeb_n_$x ;done
 echo "remise à zero de  /root/.ssh/known_hosts"
 echo "################################"
-echo "" | sudo tee -a /root/.ssh/known_host
+echo "" | sudo tee /root/.ssh/known_host
 echo "supression des adresses des containers existants dans /etc/hosts"
 echo "################################"
 awk -v  opt="i" -v lineNo="6" 'NR > lineNo-( opt == "i"? 1 : 0 ){exit};1' /etc/hosts > /tmp/hosts && sudo mv /tmp/hosts /etc/hosts
@@ -36,6 +36,7 @@ echo "################################"
 for x in $(seq 0 4); do echo "$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' rocky-$x) rocky-$x" >> /tmp/hosts;done
 for x in $(seq 0 4); do echo "$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' debian-$x) debian-$x"  >> /tmp/hosts;done
 sudo cat /tmp/hosts >> /etc/hosts
+echo "" > ~/.ssh/known_hosts
 #echo "installation depuis galaxy de la collection arista"
 #echo "installation de l'image ceos & aliasing routeur"
 #sudo ansible-galaxy collection install arista.eos