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-rw-r--r--node/Constants.hpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp
index 5d4849c2..55cc4777 100644
--- a/node/Constants.hpp
+++ b/node/Constants.hpp
@@ -416,4 +416,17 @@
*/
#define ZT_IPC_TIMEOUT 600
+/**
+ * A test pseudo-network-ID that can be joined
+ *
+ * Joining this network ID will result in a network with no IP addressing
+ * and default parameters. No network configuration master will be consulted
+ * and instead a static config will be used. This is used in built-in testnet
+ * scenarios and can also be used for external testing.
+ *
+ * This is an impossible real network ID since 0xff is a reserved address
+ * prefix.
+ */
+#define ZT_TEST_NETWORK_ID 0xffffffffffffffffULL
+
#endif