Try to improve stability and completly disable child aging. https://github.com/Koenkk/zigbee2mqtt/issues/1429

coordinator/Z-Stack_3.x.0/CHANGELOG.md

@@ -1,2 +1,2 @@
-# 20190414
+# 20190423
 - Initial version.

coordinator/Z-Stack_3.x.0/firmware.patch

@@ -29,7 +29,7 @@ index 305dfc7..51d8890 100644
                                     1,  /* Software maintenance release number */
 diff --git a/Application/mt/revision_info.h b/Application/mt/revision_info.h
 new file mode 100644
-index 0000000..5cfa29e
+index 0000000..323e369
 --- /dev/null
 +++ b/Application/mt/revision_info.h
 @@ -0,0 +1,13 @@
@@ -43,34 +43,39 @@ index 0000000..5cfa29e
 +#ifndef APPLICATION_MT_REVISION_INFO_H_
 +#define APPLICATION_MT_REVISION_INFO_H_
 +
-+#define CODE_REVISION_NUMBER 20190419
++#define CODE_REVISION_NUMBER 20190423
 +
 +#endif /* APPLICATION_MT_REVISION_INFO_H_ */
 diff --git a/Stack/Config/preinclude.h b/Stack/Config/preinclude.h
 new file mode 100644
-index 0000000..c976357
+index 0000000..8ae8c48
 --- /dev/null
 +++ b/Stack/Config/preinclude.h
-@@ -0,0 +1,38 @@
+@@ -0,0 +1,43 @@
++/**
++ * 1. There is currently an issue which doesn't allow us to scale to device
++ * tables expansively.
++ * See: http://e2e.ti.com/support/wireless-connectivity/zigbee-and-thread/f/158/p/794106/2940412#2940412
++ */
++
 +/**
 + * Enable Many-To-One (MTO) Routing
 + */
 +#define CONCENTRATOR_ENABLE TRUE
 +#define CONCENTRATOR_DISCOVERY_TIME 60
 +#define CONCENTRATOR_ROUTE_CACHE TRUE
-+#define MAX_RTG_SRC_ENTRIES 100
++// Use 40 for now, see 1 #define MAX_RTG_SRC_ENTRIES 200
++#define MAX_RTG_SRC_ENTRIES 40
 +#define SRC_RTG_EXPIRY_TIME 255
 +
 +/**
 + * Scale device tables
 + */
-+#define NWK_MAX_DEVICE_LIST 30
-+#define MAX_NEIGHBOR_ENTRIES 20
-+#define MAX_RTG_ENTRIES 100
++// Use default of 20, see 1 #define NWK_MAX_DEVICE_LIST 50
++// Use default of 4, see 1 #define MAX_NEIGHBOR_ENTRIES 20
++// Use default of 40, see 1 #define MAX_RTG_ENTRIES 100
 +
-+// Use default of 40 until NVOCTP driver issue has been fixed
-+// http://e2e.ti.com/support/wireless-connectivity/zigbee-and-thread/f/158/p/794106/2937749#2937749
-+// #define ZDSECMGR_TC_DEVICE_MAX 200
++// Use default of 40, see 1 #define ZDSECMGR_TC_DEVICE_MAX 200
 +
 +/**
 + * Others
@@ -87,10 +92,9 @@ index 0000000..c976357
 +#define MULTICAST_ENABLED FALSE
 +
 +/**
-+ * Increase end device child aging from 256 minutes to 4096 minutes
++ * Increase NWK_LINK_STATUS_PERIOD to reduce amount of messages on the network
 + */
-+#define NWK_END_DEV_TIMEOUT_DEFAULT 12
-\ No newline at end of file
++#define NWK_LINK_STATUS_PERIOD 60
 diff --git a/Stack/Config/znp_cnf.opts b/Stack/Config/znp_cnf.opts
 index 1be73a8..81f5f4e 100644
 --- a/Stack/Config/znp_cnf.opts
@@ -141,3 +145,20 @@ index d303202..55c53d4 100644
    else if ( (epDesc = afFindEndPointDesc( aff->DstEndPoint )) )
    {
      pList = afFindEndPointDescList( epDesc->endPoint );
+diff --git a/Stack/sys/zglobals.c b/Stack/sys/zglobals.c
+index 1fb33a4..2963697 100644
+--- a/Stack/sys/zglobals.c
++++ b/Stack/sys/zglobals.c
+@@ -206,7 +206,11 @@ uint8 zgEndDeviceConfiguration = END_DEV_CONFIGURATION;
+ //
+ // NOTICE:  Before enabling Child Aging make sure to review all the related
+ // definitions in this file, especially zgNwkParentInformation.
+-uint8 zgChildAgingEnable = TRUE;
++
++/**
++ * Disable child agaging, otherwise Xiaomi devices are being kicked off the network.
++ */
++uint8 zgChildAgingEnable = FALSE;
+ 
+ //==========    TouchLink NWK configuration    ===============
+ // Values used by Router when starts a network as initiator