diff --git a/install/cobbler.sh b/install/cobbler.sh
index 75e0a088..fd4f4026 100755
--- a/install/cobbler.sh
+++ b/install/cobbler.sh
@@ -56,6 +56,10 @@ sudo sed -i "s/server:[ \t]*\$ipaddr/server: $IPADDR/g" /etc/cobbler/settings
 sudo sed -i "s/default_name_servers:[ \t]*\['\$ipaddr'\]/default_name_servers: \['$IPADDR'\]/g" /etc/cobbler/settings
 domains=$(echo $NAMESERVER_DOMAINS | sed "s/,/','/g")
 sudo sed -i "s/manage_forward_zones:[ \t]*\[\]/manage_forward_zones: \['$domains'\]/g" /etc/cobbler/settings
+if [[ "$NAMESERVER_REVERSE_ZONES" != "unused" ]]; then
+    reverse_zones=$(echo $NAMESERVER_REVERSE_ZONES | sed "s/,/','/g")
+    sudo sed -i "s/manage_reverse_zones:[ \t]*\[\]/manage_reverse_zones: \['$reverse_zones'\]/g" /etc/cobbler/settings
+fi
 export cobbler_passwd=$(openssl passwd -1 -salt 'huawei' '123456')
 sudo sed -i "s,^default_password_crypted:[ \t]\+\"\(.*\)\",default_password_crypted: \"$cobbler_passwd\",g" /etc/cobbler/settings
 sudo chmod 644 /etc/cobbler/settings
diff --git a/install/install.conf b/install/install.conf
index 1ecf0c01..6ad4516a 100755
--- a/install/install.conf
+++ b/install/install.conf
@@ -24,6 +24,7 @@ export NEXTSERVER=${NEXTSERVER:-}
 
 # the domains covered by nameserver
 export NAMESERVER_DOMAINS=${NAMESERVER_DOMAINS:-}
+export NAMESERVER_REVERSE_ZONES=${NAMESERVER_REVERSE_ZONES:-}
 
 # set the default cobbler user "cobbler" password, if not set, the default will be cobbler/cobbler
 export CBLR_USER=${CBLR_USER:-}
diff --git a/install/install.conf.template b/install/install.conf.template
index 68e9f2e9..d06b7160 100755
--- a/install/install.conf.template
+++ b/install/install.conf.template
@@ -28,6 +28,8 @@ export IP_END=`echo $IPADDR |cut -d. -f'1 2 3'`.254
 export NEXTSERVER=`ifconfig $NIC | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}'`
 # the domains covered by nameserver
 export NAMESERVER_DOMAINS=ods.com
+export NAMESERVER_REVERSE_ZONES=unused
+
 # the repo url
 export WEB_SOURCE='http://git.openstack.org/stackforge'/compass-web
 export ADAPTERS_SOURCE='http://git.openstack.org/stackforge/compass-adapters'
diff --git a/install/install.sh b/install/install.sh
index 1f82b931..de67d6df 100755
--- a/install/install.sh
+++ b/install/install.sh
@@ -247,6 +247,7 @@ if [[ -z $LOCAL_REPO ]]; then
     done
 fi
 loadvars NAMESERVER_DOMAINS "ods.com"
+loadvars NAMESERVER_REVERSE_ZONES "unused"
 loadvars WEB_SOURCE 'http://git.openstack.org/stackforge/compass-web'
 loadvars ADAPTERS_SOURCE 'http://git.openstack.org/stackforge/compass-adapters'
 
diff --git a/install/setup_env.sh b/install/setup_env.sh
index 36ce72fc..1463ae60 100755
--- a/install/setup_env.sh
+++ b/install/setup_env.sh
@@ -6,6 +6,7 @@ WEB_SOURCE=\${WEB_SOURCE:-$WEB_SOURCE}
 ADAPTERS_SOURCE=\${ADAPTERS_SOURCE:-$ADAPTERS_SOURCE}
 OPTION_ROUTER=\${OPTION_ROUTER:-$OPTION_ROUTER}
 NAMESERVER_DOMAINS=\${NAMESERVER_DOMAINS:-$NAMESERVER_DOMAINS}
+NAMESERVER_REVERSE_ZONES=\${NAMESERVER_REVERSE_ZONES:-$NAMESERVER_REVERSE_ZONES}
 NEXTSERVER=\${NEXTSERVER:-$NEXTSERVER}
 IP_START=\${IP_START:-$IP_START}
 IP_END=\${IP_END:-$IP_END}