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...	...	@@ -16,7 +16,6 @@
16	16	* Confirmed Data Up
17	17
18	18
19		-
20	20	= 2.  FWD Filter Mechanism =
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22	22
...	...	@@ -99,7 +99,7 @@
99	99	== 2.3 Filter By NwkID ==
100	100
101	101
102		-Since firmware , the gateway supports NwkID filter.
	101	+Since firmware dragino-lgw~-~-v5.4.1699325460, the gateway supports NwkID filter.
103	103
104	104	The Gateway NwkID filter will check all the below LoRaWAN messages: Unconfirmed Data Up & Confirmed Data Up.
105	105
...	...	@@ -112,15 +112,20 @@
112	112
113	113	* NwkID Filter configured to (% style="color:blue" %)**Level=2**(%%). If the NwkID in the list does not match the NwkID received by the gateway, it will be dropped.
114	114
115		-In this case, we set NwkID Filter Level=0 and add the filter (server | NwkID | 13 ), when the gateway receives a Lorawan packet with NwkID=00000013, it will be dropped.
	114	+In this case, we set NwkID Filter Level=0 and add the filter (server | NwkID | 13 ), when the gateway receives a packet that is not NwkID=00000013, it will be dropped.
116	116
117	117	NwkID is calculated as follows: DevAddr counts shifted right by 25 bits
118	118
119		-For example, devaddr=260B67F6 ，NwkID= 260B67F6 >> 25 = 13
	118	+For example, Devaddr=01CC1907,NwkID= 01CC1907 >> 25 = 0
120	120
121		-[[image:image-20231012111032-1.png]]
	120	+ Devaddr=260B748A,NwkID= 260B748A >> 25 = 13
122	122
123	123
	123	+[[image:image-20231107105627-2.png||height="622" width="768"]]
	124	+
	125	+[[image:image-20231107105917-3.png||height="242" width="1011"]]
	126	+
	127	+
124	124	== 2.4 Add Filter rules via Linux Command. ==
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126	126