diff --git a/proto/config/netcmn.proto b/proto/config/netcmn.proto
index c8b4198..46175e1 100644
--- a/proto/config/netcmn.proto
+++ b/proto/config/netcmn.proto
@@ -83,12 +83,25 @@ message ipspec {
   string subnet = 3;
   string gateway = 5;
   string domain = 6;
+  // ntp and more_ntp are used to specify several NTP servers
   string ntp = 7;
+  repeated string more_ntp = 10;
   repeated string dns = 8;
 
   // for IPAM management when dhcp is turned on.
   // If none provided, system will default pool.
   ipRange dhcpRange = 9;
+
+  DhcpOptionsOverride dhcp_options_override = 11;
+}
+
+// DhcpOptionsOverride is used to override or add dhcp options like f.e.
+// the NTP servers - currently no other options are supported, but DNS servers might be a
+// good candidate in the future
+message DhcpOptionsOverride {
+  // use exclusively specified NTP servers
+  // if set to true and no NTP server is provided then no NTP servers should be used
+  bool ntp_server_exclusively = 1;
 }
 
 enum NetworkType {
@@ -143,4 +156,4 @@ message ConnectivityProbe {
   // Endpoint to probe using the selected probing mechanism to determine
   // the connectivity status.
   ProbeEndpoint probe_endpoint = 2;
-}
\ No newline at end of file
+}
diff --git a/proto/info/info.proto b/proto/info/info.proto
index 2bd5876..9717291 100644
--- a/proto/info/info.proto
+++ b/proto/info/info.proto
@@ -766,7 +766,9 @@ message DevicePort {
   string gateway = 13;
   // domainname - OBSOLETE - obsoleted by dns
   string domainname = 14;
+  // ntpServer and more_ntp_servers are used to report several NTP servers
   string ntpServer = 15;
+  repeated string more_ntp_servers = 35;
   // dnsServers - OBSOLETE - obsoleted by dns
   repeated string dnsServers = 16;
   string dhcpRangeLow = 17;