Invalid packet CRC

Hi everyone

We’re seeing this “Invalid packet CRC” message in the Gateway Bridge, and we wanted to know what might be causing it. Is it because of a mismatching frame counter, or could there be another reason?

– Logs begin at mié 2018-02-28 10:00:14 -03. –
feb 28 10:04:26 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:26-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:04:26 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:26-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:04:38 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:38-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:04:38 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:38-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gHQ7kAcABAACfTPF1Fb2rDgO mac=00800000a0001261
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:04:43 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:43-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:04:50 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:50-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:04:50 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:04:50-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:05:03 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:03-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:05:03 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:03-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gLvIrwYABQAB/GSjOUh+ mac=00800000a0001261
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:05:10 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:10-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:05:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:15-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:05:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:15-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:05:27 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:27-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:05:27 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:27-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:05:39 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:39-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:05:39 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:39-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gHQ7kAcABQACOSi7D7oTh9pC mac=00800000a0001261
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:05:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:45-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:05:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:51-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:05:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:05:51-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:06:04 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:04-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:06:04 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:04-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gLvIrwYABgABeF8ryisI mac=00800000a0001261
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:06:12 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:12-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:06:16 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:16-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:06:16 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:16-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:06:28 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:28-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:06:28 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:28-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:06:40 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:40-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:06:40 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:40-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gHQ7kAcABgACWClBbIe0Ln8y mac=00800000a0001261
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:06:47 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:47-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:06:52 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:52-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:06:52 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:06:52-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:07:04 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:04-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:07:04 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:04-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gLvIrwYABwABcGVcXBjL mac=00800000a0001261
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:07:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:14-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:07:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:17-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:07:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:17-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:07:29 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:29-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:07:29 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:29-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:07:41 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:41-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:07:41 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:41-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gHQ7kAcABwAC5bqiKtxScn6u mac=00800000a0001261
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:07:49 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:49-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:07:53 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:53-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:07:53 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:07:53-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:08:05 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:05-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:08:05 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:05-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gLvIrwYACAABl1vh6YwQ mac=00800000a0001261
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:08:15 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:15-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=xq40IEXJ7JnU8+FqhmdkZoXiDTsn mac=00800000a0001261
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=warning msg=“gateway: invalid packet CRC: -1” addr=“192.168.1.9:39094” data=xq40IEXJ7JnU8+FqhmdkZoXiDTsn mac=00800000a0001261
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=error msg=“gateway: could not handle packet: gateway: invalid CRC” addr=“192.168.1.9:39094” data_base64=AWWmAACAAACgABJheyJyeHBrIjpbeyJ0bXN0IjoyNjU0MzkyODIwLCJ0aW1lIjoiMjAxOC0wMi0yOFQxMDoxMjowMS42OTgxNDlaIiwiY2hhbiI6NiwicmZjaCI6MSwiZnJlcSI6OTAzLjUwMDAwMCwic3RhdCI6LTEsIm1vZHUiOiJMT1JBIiwiZGF0ciI6IlNGN0JXMTI1IiwiY29kciI6IjQvNSIsImxzbnIiOi0xMS4wLCJyc3NpIjotMTExLCJzaXplIjoyMSwiZGF0YSI6InhxNDBJRVhKN0puVTgrRnFobWRrWm9YaURUc24ifV19
feb 28 10:08:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:17-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:08:30 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:30-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:08:30 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:30-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:08:42 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:42-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:08:42 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:42-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushData
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:39094” data=gHQ7kAcACAACQRkkDRsls4E3 mac=00800000a0001261
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:39094” protocol_version=1 type=PushACK
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:08:51 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:51-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullResp
feb 28 10:08:54 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:54-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullData
feb 28 10:08:54 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:08:54-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:56083” protocol_version=1 type=PullACK
feb 28 10:09:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:14-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullData
feb 28 10:09:14 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:14-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullACK
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:35613” protocol_version=1 type=PushData
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:35613” data=gLvIrwYACQABQaF6nMWQ mac=00800000a0001261
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“backend: publishing packet” topic=gateway/00800000a0001261/rx
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:35613” protocol_version=1 type=PushACK
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“backend: packet received” topic=gateway/00800000a0001261/tx
feb 28 10:09:17 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:17-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullResp
feb 28 10:09:26 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:26-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullData
feb 28 10:09:26 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:26-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullACK
feb 28 10:09:39 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:39-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullData
feb 28 10:09:39 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:39-03:00” level=info msg=“gateway: sending udp packet to gateway” addr=“192.168.1.9:42457” protocol_version=1 type=PullACK
feb 28 10:09:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:45-03:00” level=info msg=“gateway: received udp packet from gateway” addr=“192.168.1.9:35613” protocol_version=1 type=PushData
feb 28 10:09:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:45-03:00” level=info msg=“gateway: rxpk packet received” addr=“192.168.1.9:35613” data=“WuGz0vznNI+swRkPlXsCouidUFgWvh5y+TM/eu7woMJXsGYT+oGt1odlJwv8Dgj8SbgifQhBk+26XrGvGIPIuwMKnHHKhChej0vpStCEY3K5TGZoxcOFbFZXYCKw9goPeDwsjcLJyZBvcUeTPfwUjzsk+d+rSLSl3Pb3xPabgEApqj/WZlW1J/R1PN9pgENOE8HODD42fCNrNfT/gnoPUeOWPCFzNxr6mAQJfAnlflEdqJDchQE17EOQlbSthgut9eo+lEyxkU/UPJUCzB82z85WNWtctLM2D+JWsBSX53fiU5I77LyD1UYb5h0mdroyaQ==” mac=00800000a0001261
feb 28 10:09:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:45-03:00” level=warning msg=“gateway: invalid packet CRC: -1” addr=“192.168.1.9:35613” data=“WuGz0vznNI+swRkPlXsCouidUFgWvh5y+TM/eu7woMJXsGYT+oGt1odlJwv8Dgj8SbgifQhBk+26XrGvGIPIuwMKnHHKhChej0vpStCEY3K5TGZoxcOFbFZXYCKw9goPeDwsjcLJyZBvcUeTPfwUjzsk+d+rSLSl3Pb3xPabgEApqj/WZlW1J/R1PN9pgENOE8HODD42fCNrNfT/gnoPUeOWPCFzNxr6mAQJfAnlflEdqJDchQE17EOQlbSthgut9eo+lEyxkU/UPJUCzB82z85WNWtctLM2D+JWsBSX53fiU5I77LyD1UYb5h0mdroyaQ==” mac=00800000a0001261
feb 28 10:09:45 loraserverlcd-VirtualBox lora-gateway-bridge[1068]: time=“2018-02-28T10:09:45-03:00” level=error msg=“gateway: could not handle packet: gateway: invalid CRC” addr=“192.168.1.9:35613” data_base64=“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”

Did you ever get a resolution for this ? I’ve just hit the same problem.

The CRC happens on the LoRa level, it has nothing to do with frame-counters etc (you will see MIC errors). It is basically that the gateway receives data that is corrupted.