Receiving data from multiple gateways

Hii,
I have 2 lora gateway configured with 2 different MAC id connected to our custom platform.
I configured all the gateways in loraserver in order to get stats of each gateway.
I have one OTAA class A node, I confirmed that both the gateways receiving data from OTAA node, but our application is receiving data exactly once from lora app server, eventhough both the gateways are receiving data.
Is loraserver is handling the duplication of data receiving from multiple gateways ?
We are using latest version of LoRa Server binaries

Yes, the Network Server handles the de-duplication and combines the data from multiple gateways into one payload which is delivered to the Application Server.

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Thank you brocaar for your immediate reply. kindly close this topic

Hello There,
I’m using too, multiple gateway . and i have some sensor in the “cover range” of both the two gateway.
at the begining i see the RSSI pass from one to another and i said greaat it working well and all is combine to make a unique payload message. but today i see some problems

After few days of use. i get one sensor wich have initiated over 700 “join” to the network. As if each time it switch gateway it start a new join session.

First impact, it totally flood the table device_join . could i delete all the useless field ?
second and more important problem : after move the sensor from one place to another this one try to reconnect with the error: “validate dev-nonce error”

I suppose there is a link between the fact that the sensor use to much join session and the dev-nonce error . right???