diff --git a/include/ZeroTierOne.h b/include/ZeroTierOne.h
index 752554dcc..2c28ef6a5 100644
--- a/include/ZeroTierOne.h
+++ b/include/ZeroTierOne.h
@@ -1255,6 +1255,9 @@ typedef struct
 	uint32_t tags[ZT_MAX_NETWORK_TAGS][2];
 	unsigned int tagsCount;
 
+	uint32_t capabilities[ZT_MAX_NETWORK_CAPABILITIES];
+	unsigned int capabilitiesCount;
+
 
 } ZT_VirtualNetworkConfig;
 
diff --git a/node/Network.cpp b/node/Network.cpp
index 1c5e9329a..04a8437dd 100644
--- a/node/Network.cpp
+++ b/node/Network.cpp
@@ -1502,6 +1502,15 @@ void Network::_externalConfig(ZT_VirtualNetworkConfig *ec) const
 		}
 	}
 
+	for (unsigned int i = 0; i<ZT_MAX_NETWORK_CAPABILITIES; i++) {
+		if (_config.capabilities[i].id()) {
+			ec->capabilities[i] = _config.capabilities[i].id();
+		} else {
+			ec->capabilitiesCount = i;
+			break;
+		}
+	}
+
 	ec->assignedAddressCount = 0;
 	for(unsigned int i=0;i<ZT_MAX_ZT_ASSIGNED_ADDRESSES;++i) {
 		if (i < _config.staticIpCount) {
diff --git a/service/OneService.cpp b/service/OneService.cpp
index 60533fec9..6f3fa5eca 100644
--- a/service/OneService.cpp
+++ b/service/OneService.cpp
@@ -554,6 +554,16 @@ static void _networkToJson(nlohmann::json &nj,NetworkState &ns)
 	}
 	nj["tags"] = tags;
 
+	nlohmann::json caps = nlohmann::json::array();
+	for(unsigned int i=0;i<ns.config().capabilitiesCount;++i) {
+		if (ns.config().capabilities[i]) {
+			caps[i] = ns.config().capabilities[i];
+		} else {
+			break;
+		}
+	}
+	nj["capabilities"] = caps;
+
 
 	nlohmann::json aa = nlohmann::json::array();
 	for(unsigned int i=0;i<ns.config().assignedAddressCount;++i) {