In Relax frame-counter mode downlink fcnt get reset after sometime

[vikasrohal]

Due to changes in loraserver 0.17.1 of issue #133 , Downlink frame counter reset to 0 even end device is not reset.Due to downlink fcnt 0, MIC got failed at end device and re-transmission of same packet get started.Please see the log of same

73 40 61 72 74 69 6E 67 20 77 69 74 68 20 64 65 66 61 75 6C 74 20 73 65 74 74 69 6E 67 73 0A聽
uplink frame-80 11 11 11 11 00 00 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 2F 91 B0 95 31 31 31 31
downlink frame60 11 11 11 11 20 00 00 75 70 A8 22 41 43 4B
80 11 11 11 11 00 01 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 73 3A 04 BE 31 31 31 31
60 11 11 11 11 20 01 00 50 1A 6E 67 41 43 4B
80 11 11 11 11 00 02 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 EE F7 76 47 31 31 31 31
60 11 11 11 11 20 02 00 9B 06 D7 76 41 43 4B
80 11 11 11 11 00 03 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 24 62 C8 C5 31 31 31 31
60 11 11 11 11 20 03 00 DF 32 0D 16 41 43 4B
80 11 11 11 11 00 04 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 3E 1A 9C 4E 31 31 31 31
60 11 11 11 11 20 04 00 E1 02 39 48 41 43 4B
80 11 11 11 11 00 05 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 B9 3E E6 FD 31 31 31 31
60 11 11 11 11 20 05 00 8B 7A 68 9C 41 43 4B
80 11 11 11 11 00 06 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 07 A0 04 8C 31 31 31 31
60 11 11 11 11 20 06 00 76 AB D5 63 41 43 4B
80 11 11 11 11 00 07 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 0A 6D 89 99 31 31 31 31
60 11 11 11 11 20 07 00 26 90 37 71 41 43 4B
80 11 11 11 11 00 08 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 42 1E B7 90 31 31 31 31
60 11 11 11 11 20 08 00 FA CC 41 58 41 43 4B
80 11 11 11 11 00 09 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 4A E5 D7 9D 31 31 31 31
60 11 11 11 11 20 09 00 5F F9 5A 14 41 43 4B
80 11 11 11 11 00 0A 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 65 F2 1D A7 31 31 31 31
60 11 11 11 11 20 0A 00 0C 82 5D 73 41 43 4B
80 11 11 11 11 00 0B 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 7E 9F 37 E1 31 31 31 31
60 11 11 11 11 20 0B 00 6F B0 C6 57 41 43 4B
80 11 11 11 11 00 0C 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 02 3C 6E 55 31 31 31 31
60 11 11 11 11 20 0C 00 19 67 69 8E 41 43 4B
80 11 11 11 11 00 0D 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 C9 F2 C3 71 31 31 31 31
60 11 11 11 11 20 00 00 75 70 A8 22-fcnt reset to 0 of downlink frame
60 11 11 11 11 20 00 00 75 70 A8 22- Retry
60 11 11 11 11 20 00 00 75 70 A8 22
60 11 11 11 11 20 00 00 75 70 A8 22
60 11 11 11 11 20 00 00 75 70 A8 22
60 11 11 11 11 20 00 00 75 70 A8 22
80 11 11 11 11 00 0E 00 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 A1 A7 14 83 31 31 31 31
60 11 11 11 11 20 01 00 50 1A 6E 67
60 11 11 11 11 20 00 00 75 70 A8 22
60 11 11 11 11 20 00 00 75 70 A8 22

[brocaar]

This was fixed in 0.17.2 😉