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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+**~ Contents:**
	2	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= Paragraph 1 =
	5	+= 1. Introduction =
6	6
7		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	7	+This feature is to filter the unwanted LoRaWAN packets. Purpose is to save the upstream traffic especially for a 4G cellular connection. If configured, gateway will process filter for below two types of message:
8	8
9		-== Sub-paragraph ==
	9	+* Unconfirmed Data Up
	10	+* Confirmed Data Up
10	10
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	12	+== 1.1 Support Devices ==
12	12
13		-== Sub-paragraph ==
	14	+* Firmware Version > lgw~-~-build-v5.4.1602379434-20201011-0926 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
	15	+* LG308, DLOS8
	16	+* LPS8
14	14
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16	16
17		-=== Sub-sub paragraph ===
	19	+= 2. Filter Mechanism =
18	18
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	21	+[[image:https://wiki.dragino.com/images/thumb/6/65/FPort_Filter_1.png/600px-FPort_Filter_1.png||height="276" width="600"]]
20	20
	23	+Fport & DevAddr filtering
21	21
22		-= Paragraph 2 =
	25	+[[image:https://wiki.dragino.com/images/thumb/c/cb/FPort_Filter_01.png/600px-FPort_Filter_01.png||height="216" width="600"]]
23	23
24		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	27	+check if the filter is running
25	25
26		-== Sub-paragraph ==
27	27
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	30	+== 2.1 Filter By Fport ==
29	29
30		-== Sub-paragraph ==
	32	+The Gateway FPort filter will check all the below LoRaWAN message: Unconfirmed Data Up & Confirmed Data Up. If the packet's FPort doesn't match the FPort setting, it will be dropped.
31	31
32		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	34	+By default , this value is 0 means can upstream all packets with any FPort. We can set to other FPort so specify only one FPort works.
	35	+
	36	+[[image:https://wiki.dragino.com/images/thumb/7/7c/FPort_Filter_2.png/600px-FPort_Filter_2.png||height="102" width="600"]]
	37	+
	38	+Fport filtering
	39	+
	40	+In case we set the FPort filter to 45, and the End Node send a packet with Fport other than 45, it will be dropped.
	41	+
	42	+
	43	+== 2.2 Filter By DevAddr ==
	44	+
	45	+Gateway will use a DevAddr mask to check if the Unconfirmed Data Up & Confirmed Data Up packets match the mask . If not, gateway will drop it.
	46	+
	47	+[[image:https://wiki.dragino.com/images/thumb/0/09/DevAddr_Filter_3.png/600px-DevAddr_Filter_3.png||height="310" width="600"]]
	48	+
	49	+DevAddr filtering
	50	+
	51	+This screenshot shows packets is dropped if DevAddr mask doesn't match.