diff --git a/lib/cinder b/lib/cinder
index a1d68712b6..c0356fe09c 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -326,7 +326,7 @@ function configure_cinder {
     if [[ ! -z "$CINDER_COORDINATION_URL" ]]; then
         iniset $CINDER_CONF coordination backend_url "$CINDER_COORDINATION_URL"
     elif is_service_enabled etcd3; then
-        iniset $CINDER_CONF coordination backend_url "etcd3+http://${SERVICE_HOST}:2379"
+        iniset $CINDER_CONF coordination backend_url "etcd3+http://${SERVICE_HOST}:$ETCD_PORT"
     fi
 }
 
diff --git a/lib/etcd3 b/lib/etcd3
index d3f72264b0..26d07fd19e 100644
--- a/lib/etcd3
+++ b/lib/etcd3
@@ -27,7 +27,6 @@ set +o xtrace
 ETCD_DATA_DIR="$DATA_DIR/etcd"
 ETCD_SYSTEMD_SERVICE="devstack@etcd.service"
 ETCD_BIN_DIR="$DEST/bin"
-ETCD_PORT=2379
 
 if is_ubuntu ; then
     UBUNTU_RELEASE_BASE_NUM=`lsb_release -r | awk '{print $2}' | cut -d '.' -f 1`
@@ -38,13 +37,13 @@ function start_etcd3 {
     local cmd="$ETCD_BIN_DIR/etcd"
     cmd+=" --name $HOSTNAME --data-dir $ETCD_DATA_DIR"
     cmd+=" --initial-cluster-state new --initial-cluster-token etcd-cluster-01"
-    cmd+=" --initial-cluster $HOSTNAME=http://$SERVICE_HOST:2380"
-    cmd+=" --initial-advertise-peer-urls http://$SERVICE_HOST:2380"
+    cmd+=" --initial-cluster $HOSTNAME=http://$SERVICE_HOST:$ETCD_PEER_PORT"
+    cmd+=" --initial-advertise-peer-urls http://$SERVICE_HOST:$ETCD_PEER_PORT"
     cmd+=" --advertise-client-urls http://$SERVICE_HOST:$ETCD_PORT"
     if [ "$SERVICE_LISTEN_ADDRESS" == "::" ]; then
-        cmd+=" --listen-peer-urls http://[::]:2380 "
+        cmd+=" --listen-peer-urls http://[::]:$ETCD_PEER_PORT "
     else
-        cmd+=" --listen-peer-urls http://0.0.0.0:2380 "
+        cmd+=" --listen-peer-urls http://0.0.0.0:$ETCD_PEER_PORT "
     fi
     cmd+=" --listen-client-urls http://$SERVICE_HOST:$ETCD_PORT"
 
diff --git a/stackrc b/stackrc
index 4f627ccbd7..59442529f4 100644
--- a/stackrc
+++ b/stackrc
@@ -766,6 +766,8 @@ elif is_arch "s390x"; then
 else
     exit_distro_not_supported "invalid hardware type - $ETCD_ARCH"
 fi
+ETCD_PORT=${ETCD_PORT:-2379}
+ETCD_PEER_PORT=${ETCD_PEER_PORT:-2380}
 ETCD_DOWNLOAD_URL=${ETCD_DOWNLOAD_URL:-https://github.com/coreos/etcd/releases/download}
 ETCD_NAME=etcd-$ETCD_VERSION-linux-$ETCD_ARCH
 ETCD_DOWNLOAD_FILE=$ETCD_NAME.tar.gz