diff -Nru frr-7.1/debian/changelog frr-7.1/debian/changelog
--- frr-7.1/debian/changelog	2019-07-14 02:25:40.000000000 +0000
+++ frr-7.1/debian/changelog	2019-07-16 07:50:40.000000000 +0000
@@ -1,3 +1,9 @@
+frr (7.1-1ppa2~bionic) bionic; urgency=medium
+
+  * Enable protobuf
+
+ -- Hiroaki Nakamura <hnakamur@gmail.com>  Tue, 16 Jul 2019 16:50:40 +0900
+
 frr (7.1-1ppa1~bionic) bionic; urgency=medium
 
   * Update dependencies according to Building FRR Ubuntu 18.04 LTS
diff -Nru frr-7.1/debian/control frr-7.1/debian/control
--- frr-7.1/debian/control	2019-07-14 02:25:40.000000000 +0000
+++ frr-7.1/debian/control	2019-07-16 07:50:40.000000000 +0000
@@ -19,6 +19,8 @@
  libjson-c-dev | libjson0-dev,
  libpam0g-dev | libpam-dev,
  libpcre3-dev,
+ libprotobuf-c-dev,
+ libprotobuf-c1,
  libprotobuf-dev,
  libpython3-dev,
  libreadline-dev,
@@ -28,6 +30,7 @@
  libsystemd-dev <!pkg.frr.nosystemd>,
  libyang-dev (>= 0.16.105),
  pkg-config,
+ protobuf-c-compiler,
  protobuf-compiler,
  protobuf-compiler-grpc,
  python3,
diff -Nru frr-7.1/debian/frr.install frr-7.1/debian/frr.install
--- frr-7.1/debian/frr.install	2019-07-14 02:25:40.000000000 +0000
+++ frr-7.1/debian/frr.install	2019-07-16 07:50:40.000000000 +0000
@@ -2,6 +2,8 @@
 usr/bin/vtysh
 usr/bin/mtracebis
 usr/lib/*/frr/libfrr.*
+usr/lib/*/frr/libfrr_pb.*
+usr/lib/*/frr/libfrrfpm_pb.*
 usr/lib/*/frr/libfrrospfapiclient.*
 usr/lib/frr/*.sh
 usr/lib/frr/*d
diff -Nru frr-7.1/debian/rules frr-7.1/debian/rules
--- frr-7.1/debian/rules	2019-07-14 02:25:40.000000000 +0000
+++ frr-7.1/debian/rules	2019-07-16 07:50:40.000000000 +0000
@@ -54,7 +54,8 @@
 		--enable-doc-html \
 		--enable-snmp \
 		--enable-fpm \
-		--disable-protobuf \
+		--enable-protobuf \
+		--enable-grpc \
 		--disable-zeromq \
 		--enable-ospfapi \
 		--enable-bgp-vnc \
@@ -65,7 +66,6 @@
 		--enable-vty-group=frrvty \
 		--enable-configfile-mask=0640 \
 		--enable-logfile-mask=0640 \
-		--enable-grpc \
 		# end
 
 override_dh_auto_install: