diff --git a/src/cli/cli_config.h b/src/cli/cli_config.h
index 5193a07d6..8451c0e59 100644
--- a/src/cli/cli_config.h
+++ b/src/cli/cli_config.h
@@ -53,8 +53,12 @@
  * The maximum size of the CLI line in bytes including the null terminator.
  */
 #ifndef OPENTHREAD_CONFIG_CLI_MAX_LINE_LENGTH
+#if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE
+#define OPENTHREAD_CONFIG_CLI_MAX_LINE_LENGTH 640
+#else
 #define OPENTHREAD_CONFIG_CLI_MAX_LINE_LENGTH 384
 #endif
+#endif
 
 /**
  * @def OPENTHREAD_CONFIG_CLI_BLE_SECURE_ENABLE
diff --git a/src/core/config/ip6.h b/src/core/config/ip6.h
index 09980b4b9..e4f6aae52 100644
--- a/src/core/config/ip6.h
+++ b/src/core/config/ip6.h
@@ -61,8 +61,12 @@
  * The maximum number of supported IPv6 multicast addresses allows to be externally added.
  */
 #ifndef OPENTHREAD_CONFIG_IP6_MAX_EXT_MCAST_ADDRS
+#if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE
+#define OPENTHREAD_CONFIG_IP6_MAX_EXT_MCAST_ADDRS 8
+#else
 #define OPENTHREAD_CONFIG_IP6_MAX_EXT_MCAST_ADDRS 2
 #endif
+#endif
 
 /**
  * @def OPENTHREAD_CONFIG_IP6_HOP_LIMIT_DEFAULT