diff --git a/lib/baremetal b/lib/baremetal
index 3cc24291c5..7c31d1fd17 100644
--- a/lib/baremetal
+++ b/lib/baremetal
@@ -90,6 +90,9 @@ else
     BM_DNSMASQ_RANGE=${BM_DNSMASQ_RANGE:-}
 fi
 
+# BM_DNSMASQ_DNS provide dns server to bootstrap clients
+BM_DNSMASQ_DNS=${BM_DNSMASQ_DNS:-}
+
 # BM_FIRST_MAC *must* be set to the MAC address of the node you will boot.
 #              This is passed to dnsmasq along with the kernel/ramdisk to
 #              deploy via PXE.
diff --git a/stack.sh b/stack.sh
index 0521ced3b7..8a814a012e 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1300,8 +1300,8 @@ if is_service_enabled nova && is_baremetal; then
     sudo pkill dnsmasq || true
     sudo dnsmasq --conf-file= --port=0 --enable-tftp --tftp-root=/tftpboot \
         --dhcp-boot=pxelinux.0 --bind-interfaces --pid-file=/var/run/dnsmasq.pid \
-        --interface=$BM_DNSMASQ_IFACE --dhcp-range=$BM_DNSMASQ_RANGE
-
+        --interface=$BM_DNSMASQ_IFACE --dhcp-range=$BM_DNSMASQ_RANGE \
+        ${$BM_DNSMASQ_DNS:+--dhcp-option=option:dns-server,$BM_DNSMASQ_DNS}
     # ensure callback daemon is running
     sudo pkill nova-baremetal-deploy-helper || true
     screen_it baremetal "nova-baremetal-deploy-helper"