diff --git a/instack.answers.sample b/instack.answers.sample
index 6b56257..d4875f6 100644
--- a/instack.answers.sample
+++ b/instack.answers.sample
@@ -5,4 +5,8 @@ LOCAL_INTERFACE=eth1
 MASQUERADE_NETWORK=192.0.2.0/24
 POWER_DRIVER=nova.virt.baremetal.ipmi.IPMI
 VIRTUAL_POWER_USER=stack
-VIRTUAL_POWER_HOST=192.168.122.1
+VIRTUAL_POWER_HOST=193.168.122.1
+DHCP_START=192.0.2.5
+DHCP_END=192.0.2.24
+NETWORK_CIDR=192.0.2.0/24
+NETWORK_GATEWAY=192.0.2.1
diff --git a/scripts/install-undercloud b/scripts/install-undercloud
index d06b32a..a6afcee 100755
--- a/scripts/install-undercloud
+++ b/scripts/install-undercloud
@@ -119,6 +119,10 @@ export MASQUERADE_NETWORK
 export POWER_DRIVER
 export VIRTUAL_POWER_USER
 export VIRTUAL_POWER_HOST
+export DHCP_START
+export DHCP_END
+export NETWORK_CIDR
+export NETWORK_GATEWAY
 
 sudo -E instack \
   -p diskimage-builder/elements/ tripleo-image-elements/elements/ \