RAK7258 data storage

I am now using a RAK7258 as a Lora server and several Lora modules as node device. However, it seems like I am not able to retrieve the data from the past.
I did not connect the gateway to the TTN but only a local server. I can see the data pop up in the live stream window. Once I refresh the browse or disconnect from the internet, the data log is blank. The strange thing is that I can still see the number of traffic and data transmitted from the gateway But I am not able to see the data frame.
is it normal that the gateway does not store any data but only transfer data to other media?

HI @leo.t
Yes it is normal. Build-In Server is just for managing the devices. Not to store data of them. You can use HTTP integration and store or view data somewhere.

Regards
Todor

Understood, Thank you