IC880A with RPi3 status not connected

The voltage needs to be 5V +/- 0.2V. If the output of your power supply meets those specifications (check, don’t trust the label) your cabling probably causes the drop.
The RPi with a LoRaWAN concentrator board really needs the specified 5V and isn’t getting it.

Here is my syslog.

Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:43:52 GMT #####
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:43:52 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247032 sec)
Jan 17 10:44:11 ttn-gateway kernel: [ 3012.196002] Under-voltage detected! (0x00050005)
Jan 17 10:44:15 ttn-gateway kernel: [ 3016.355919] Voltage normalised (0x00000000)
Jan 17 10:46:09 ttn-gateway kernel: [ 3130.747770] Under-voltage detected! (0x00050005)
Jan 17 10:46:15 ttn-gateway kernel: [ 3136.987357] Voltage normalised (0x00000000)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:44:22 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247062 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:44:52 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 1
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 100.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247092 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:45:22 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247122 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:45:52 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247152 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:46:22 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247182 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:46:52 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247212 sec)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### END #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ##### 2020-01-17 07:47:22 GMT #####
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [UPSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets received by concentrator: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets forwarded: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PUSH_DATA acknowledged: 0.00%
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [DOWNSTREAM] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # TX errors: 0
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: ### [GPS] ###
Jan 17 10:47:22 ttn-gateway ttn-gateway[315]: # Invalid gps time reference (age: 1579247242 sec)
Jan 17 10:48:10 ttn-gateway kernel: [ 3251.379968] Under-voltage detected! (0x00050005)
Jan 17 10:48:14 ttn-gateway kernel: [ 3255.539717] Voltage normalised (0x00000000)

When I check the voltage with multimeter, it shows 4.8V. Is it still weak?

You can’t measure what matters with a volt meter, as the load varies over time. You’d need a digital oscilloscope capable of triggering on power dips. The firmware messages indicate you still have a power problem, however I suspect you also have additional problems, for example you may not be using the correct address for a TTN server (or might be behind a firewall unusually blocking traffic), since you seem to never get an ack from it.

Additionally it seems you have not yet received an LoRa packets over the air. Are your nodes sending?

I would recommend getting a better power supply if possible. Which one are you currently using, an official one, or a random USB charger?

The Raspberry Pi is quite sensitive to undervoltage, it can cause SD card file system corruption for example.

I have nodes made of arduino and dragino.
and How can i send the packets to the gateway?
Could you recommend me the instructions?

I was using a official Samsung smartphone charger.

Let me try this instructions from the beginning:

RPi with LoRaWAN concentrator will require more juice than a smartphone charger can deliver. Specifically peak current draws will not be handled.

I’m sorry i am late.
I’ve solved the power problem.
Could you let me know what can i do for now?

pi@ttn-gateway:~ $ sudo tail -f /var/log/syslog
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: INFO: [up] Thread activated for al                                                                                  l servers.
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:37:20 GMT ####                                                                                  #
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 1
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%                                                                                  , NO_CRC: 0.00%
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 byte                                                                                  s)
Jan 23 08:37:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (490                                                                                   bytes)
Jan 23 08:37:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:37:21 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:37:21 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757840 sec)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:37:50 GMT ####                                                                                  #
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%,                                                                                   NO_CRC: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes                                                                                  )
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444                                                                                   bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757870 sec)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:38:20 GMT ####                                                                                  #
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 1
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%                                                                                  , NO_CRC: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 byte                                                                                  s)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (934                                                                                   bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757900 sec)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:38:50 GMT ####                                                                                  #
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%,                                                                                   NO_CRC: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes                                                                                  )
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444                                                                                   bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757930 sec)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:39:20 GMT ####                                                                                  #
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 1
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%                                                                                  , NO_CRC: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 byte                                                                                  s)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (938                                                                                   bytes)
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:50 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757960 sec)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:39:50 GMT ####                                                                                  #
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 0
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%,                                                                                   NO_CRC: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes                                                                                  )
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444                                                                                   bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579757990 sec)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:40:20 GMT ####                                                                                  #
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 1
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%                                                                                  , NO_CRC: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 byte                                                                                  s)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (936                                                                                   bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams receiv                                                                                  ed: 0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator:                                                                                   0 (0 bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age:                                                                                   1579758020 sec)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude                                                                                   10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:40:50 GMT ####                                                                                  #
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets received by concentra                                                                                  tor: 0
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%,                                                                                   NO_CRC: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes                                                                                  )
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444                                                                                   bytes)
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:40:51 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowl                                                                                  edged)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758050 sec)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:41:20 GMT #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 1
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (936 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758080 sec)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:41:50 GMT #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758110 sec)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:42:20 GMT #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758140 sec)
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:42:50 GMT #####
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 2
Jan 23 08:44:20 ttn-gateway ttn-gateway[313]: # CRC_OK: 50.00%, CRC_FAIL: 50.00%, NO_CRC: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (936 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758170 sec)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:43:20 GMT #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 1
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 100.00%, NO_CRC: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758200 sec)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:43:50 GMT #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 2
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # CRC_OK: 50.00%, CRC_FAIL: 50.00%, NO_CRC: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 1 (26 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 4 (936 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # TX errors: 0
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [GPS] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Invalid gps time reference (age: 1579758230 sec)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, altitude -1 m
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### END #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ##### 2020-01-23 05:44:20 GMT #####
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [UPSTREAM] ###
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets received by concentrator: 0
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # RF packets forwarded: 0 (0 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: # PUSH_DATA acknowledged: 0.00%
Jan 23 08:44:21 ttn-gateway ttn-gateway[313]: ### [DOWNSTREAM] ###

Check your network connection to TTN. You are not getting any response packets so there is probably a firewall blocking UDP traffic on port 1700.

Unfortunately, the status is still not connected on TheThingsNetwork.org

and how can i handle the firewall? do you have any instructions?

That is expected when your gateway is unable to connect to TTN.

To what kind of network is your gateway connected? Home/ADSL or work/institution?

The network is used for work office.

Check with the person(s) managing the network if/what firewalls are installed between connected systems and the internet.

1 Like

pi@ttn-gateway:~ $ sudo tcpdump -AUq port 1700
sudo: tcpdump: command not found
pi@ttn-gateway:~ $ sudo ufw status
Status: inactive

The firewall is inactive. but the status of the Gateway is still not connected.

That means the local firewall on the gateway is not running. There is an external firewall between the gateway and the internet that should be inspected as that is not forwarding your IP traffic.

I finally got this message.

pi@ttn-gateway:~ $ sudo tcpdump -AUq port 1700
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
^C
0 packets captured
0 packets received by filter
0 packets dropped by kernel

pi@ttn-gateway:~ $ sudo tcpdump -AUq port 1700 -v
tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
^C
0 packets captured
0 packets received by filter
0 packets dropped by kernel
pi@ttn-gateway:~ $ sudo tail -f /var/log/syslog
Jan 27 11:38:42 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:38:42 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:38:42 GMT #####
Jan 27 11:38:42 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:38:42 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 0
Jan 27 11:38:51 ttn-gateway kernel: [ 7810.831768] Under-voltage detected! (0x00050005)
Jan 27 11:38:56 ttn-gateway kernel: [ 7814.991707] Voltage normalised (0x00000000)
Jan 27 11:38:59 ttn-gateway kernel: [ 7818.261610] device wlan0 entered promiscuous mode
Jan 27 11:38:59 ttn-gateway kernel: [ 7818.314501] device wlan0 left promiscuous mode
Jan 27 11:39:19 ttn-gateway kernel: [ 7838.411395] device wlan0 entered promiscuous mode
Jan 27 11:39:29 ttn-gateway kernel: [ 7848.496710] device wlan0 left promiscuous mode
Jan 27 11:40:50 ttn-gateway kernel: [ 7929.390726] Under-voltage detected! (0x00050005)
Jan 27 11:40:56 ttn-gateway kernel: [ 7935.630641] Voltage normalised (0x00000000)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114322 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:39:12 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 1
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 1 (26 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 4 (940 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114352 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:39:42 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 1
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 0.00%, CRC_FAIL: 100.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114382 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:40:12 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 1
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 1 (26 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 4 (940 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114412 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:40:42 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114442 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:41:12 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 1
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 100.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 1 (26 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 4 (938 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114472 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:41:42 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets received by concentrator: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets forwarded: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA datagrams sent: 2 (444 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PUSH_DATA acknowledged: 0.00%
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [DOWNSTREAM] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_DATA sent: 6 (0.00% acknowledged)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # PULL_RESP(onse) datagrams received: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # RF packets sent to concentrator: 0 (0 bytes)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # TX errors: 0
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [GPS] ###
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Invalid gps time reference (age: 1580114502 sec)
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: # Manual GPS coordinates: latitude 10.00000, longitude 20.00000, alti tude -1 m
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### END #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ##### 2020-01-27 08:42:12 GMT #####
Jan 27 11:42:12 ttn-gateway ttn-gateway[370]: ### [UPSTREAM] ###

  1. Learn to format your posts. Don’t dump large logs in a message.

  2. (Using proper formatting) show the contents of both global_conf.json and local_conf.json.