diff --git a/post-install.yml b/post-install.yml
index 00123db..69cce0a 100644
--- a/post-install.yml
+++ b/post-install.yml
@@ -15,11 +15,11 @@
     - name: post install configuration
       command: docker exec -i keystone.service bash -c "source /root/admin-openrc.sh && {{ item }}"
       with_items:
-        - openstack network create --share --external --provider-physical-network provider --provider-network-type vlan --provider-segment 985 vlan985
+        - openstack network create --share --external --provider-physical-network provider --provider-network-type vlan --provider-segment 983 vlan983
         - >
-            openstack subnet create --subnet-range 172.23.59.0/22 --gateway 172.23.59.1
-            --network vlan985 --allocation-pool start=172.23.59.75,end=172.23.59.100
-            --dns-nameserver 172.23.32.248 vlan985_subnet
+            openstack subnet create --subnet-range 172.23.41.0/24 --gateway 172.23.41.101
+            --network vlan983 --allocation-pool start=172.23.41.75,end=172.23.41.100
+            --dns-nameserver 8.8.8.8 vlan983_subnet
         - openstack flavor create --id 0 --vcpus 1 --ram 64 --disk 1 m1.nano
         - openstack keypair create --public-key /root/id_rsa.pub adminkey