diff --git a/README.md b/README.md
index ac9ce67..d82744a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # ovs
 
+Open vSwitch is a multilayer software switch which goal is to implement a production quality switch platform that supports standard management interfaces and opens the forwarding functions to programmatic extension and control.
+
diff --git a/ovs.spec b/ovs.spec
new file mode 100644
index 0000000..c6f7409
--- /dev/null
+++ b/ovs.spec
@@ -0,0 +1,177 @@
+Name:          ovs
+Version:       2.15.0
+Release:       1mamba
+Summary:       A multilayer software switch
+Group:         Applications/Networking
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.openvswitch.org/
+Source:        https://github.com/openvswitch/ovs.git/v%{version}/ovs-%{version}.tar.bz2
+License:       Apache License 2.0
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libatomic-devel
+BuildRequires: libcap-ng-devel
+BuildRequires: libgcc
+BuildRequires: liblzma-devel
+BuildRequires: libopenssl-devel
+BuildRequires: libunbound-devel
+BuildRequires: libunwind-devel
+BuildRequires: libz-devel
+## AUTOBUILDREQ-END
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+Open vSwitch is a multilayer software switch which goal is to implement a production quality switch platform that supports standard management interfaces and opens the forwarding functions to programmatic extension and control.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q
+autoreconf -f -i
+
+%build
+%configure \
+   --enable-shared
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_sysconfdir}/bash_completion.d/ovs-appctl-bashcomp.bash
+%{_sysconfdir}/bash_completion.d/ovs-vsctl-bashcomp.bash
+%{_bindir}/ovs-appctl
+%{_bindir}/ovs-docker
+%{_bindir}/ovs-dpctl
+%{_bindir}/ovs-dpctl-top
+%{_bindir}/ovs-l3ping
+%{_bindir}/ovs-ofctl
+%{_bindir}/ovs-parse-backtrace
+%{_bindir}/ovs-pcap
+%{_bindir}/ovs-pki
+%{_bindir}/ovs-tcpdump
+%{_bindir}/ovs-tcpundump
+%{_bindir}/ovs-test
+%{_bindir}/ovs-testcontroller
+%{_bindir}/ovs-vlan-test
+%{_bindir}/ovs-vsctl
+%{_bindir}/ovsdb-client
+%{_bindir}/ovsdb-tool
+%{_bindir}/vtep-ctl
+%{_sbindir}/ovs-bugtool
+%{_sbindir}/ovs-vswitchd
+%{_sbindir}/ovsdb-server
+%dir %{_datadir}/openvswitch
+%dir %{_datadir}/openvswitch/bugtool-plugins
+%{_datadir}/openvswitch/bugtool-plugins/*
+%dir %{_datadir}/openvswitch/python
+%dir %{_datadir}/openvswitch/python/ovs
+%{_datadir}/openvswitch/python/ovs/*
+%dir %{_datadir}/openvswitch/python/ovstest
+%{_datadir}/openvswitch/python/ovstest/*
+%dir %{_datadir}/openvswitch/scripts
+%{_datadir}/openvswitch/scripts/*
+%{_datadir}/openvswitch/vswitch.ovsschema
+%{_datadir}/openvswitch/vtep.ovsschema
+%{_mandir}/man1/ovs-pcap.1*
+%{_mandir}/man1/ovs-tcpundump.1*
+%{_mandir}/man1/ovsdb-client.1*
+%{_mandir}/man1/ovsdb-server.1*
+%{_mandir}/man1/ovsdb-tool.1*
+%{_mandir}/man5/ovs-vswitchd.conf.db.5*
+%{_mandir}/man5/ovsdb-server.5*
+%{_mandir}/man5/ovsdb.5*
+%{_mandir}/man5/vtep.5*
+%{_mandir}/man7/ovs-actions.7*
+%{_mandir}/man7/ovs-fields.7*
+%{_mandir}/man7/ovsdb-server.7*
+%{_mandir}/man7/ovsdb.7*
+%{_mandir}/man8/ovs-appctl.8*
+%{_mandir}/man8/ovs-bugtool.8*
+%{_mandir}/man8/ovs-ctl.8*
+%{_mandir}/man8/ovs-dpctl-top.8*
+%{_mandir}/man8/ovs-dpctl.8*
+%{_mandir}/man8/ovs-kmod-ctl.8*
+%{_mandir}/man8/ovs-l3ping.8*
+%{_mandir}/man8/ovs-ofctl.8*
+%{_mandir}/man8/ovs-parse-backtrace.8*
+%{_mandir}/man8/ovs-pki.8*
+%{_mandir}/man8/ovs-tcpdump.8*
+%{_mandir}/man8/ovs-test.8*
+%{_mandir}/man8/ovs-testcontroller.8*
+%{_mandir}/man8/ovs-vlan-test.8*
+%{_mandir}/man8/ovs-vsctl.8*
+%{_mandir}/man8/ovs-vswitchd.8*
+%{_mandir}/man8/vtep-ctl.8*
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libofproto-*.so.*
+%{_libdir}/libopenvswitch-*.so.*
+%{_libdir}/libopenvswitch.so
+%{_libdir}/libovsdb-*.so.*
+%{_libdir}/libsflow-*.so.*
+%{_libdir}/libvtep-*.so.*
+%doc LICENSE
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%dir %{_includedir}/openflow
+%{_includedir}/openflow/*.h
+%dir %{_includedir}/openvswitch
+%{_includedir}/openvswitch/*.h
+%{_libdir}/libofproto.a
+%{_libdir}/libofproto.la
+%{_libdir}/libopenvswitch.a
+%{_libdir}/libopenvswitch.la
+%{_libdir}/libopenvswitchavx512.a
+%{_libdir}/libopenvswitchavx512.la
+%{_libdir}/libovsdb.a
+%{_libdir}/libovsdb.la
+%{_libdir}/libsflow.a
+%{_libdir}/libsflow.la
+%{_libdir}/libvtep.a
+%{_libdir}/libvtep.la
+%{_libdir}/libofproto.so
+%{_libdir}/libovsdb.so
+%{_libdir}/libsflow.so
+%{_libdir}/libvtep.so
+%{_libdir}/pkgconfig/libofproto.pc
+%{_libdir}/pkgconfig/libopenvswitch.pc
+%{_libdir}/pkgconfig/libovsdb.pc
+%{_libdir}/pkgconfig/libsflow.pc
+%doc NEWS README.rst
+
+
+%changelog
+* Wed Mar 03 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.15.0-1mamba
+- package created using the webbuild interface