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It can be used to share Mii(s) on Mii Plaza for example. Games' StreetPass data is stored on [[SD_Filesystem|SD card]] under [[extdata]]. Not all StreetPass data is stored on SD card: "StreetPass Management" can still be used without a SD card inserted. Wifi infrastructure with APs are used to communicate, like WMB and multi-player.
It can be used to share Mii(s) on Mii Plaza for example. Games' StreetPass data is stored on [[SD_Filesystem|SD card]] under [[extdata]]. Not all StreetPass data is stored on SD card: "StreetPass Management" can still be used without a SD card inserted. Wifi infrastructure with APs are used to communicate, like WMB and multi-player.
Using Wireshark tool with a WiFi card in monitor mode allow you to see the data used to scan for other 3DS in the range. The below is a broadcast probe request from an 3DS while in standby mode, with SSID "Nintendo_3DS_continuous_scan_000". When in "active" mode, 3DS sends probe requests with arbitrary random SSID strings, like "ic[kSvm9s@*cYD>/~IEVj\(fGG;qDo8j". This frame also contains a custom Nintendo tag, it seems to contain unknown console unique data, since the contents of this tag from different 3ds captures don't match.
Using Wireshark tool with a WiFi card in monitor mode allow you to see the data used to scan for other 3DS in the range. The below is a broadcast probe request from an 3DS while in standby mode, with SSID "Nintendo_3DS_continuous_scan_000". When in "active" mode, 3DS sends probe requests with arbitrary random SSID strings, like "ic[kSvm9s@*cYD>/~IEVj\(fGG;qDo8j". This frame also contains a custom Nintendo tag, it seems to contain unknown console unique data, since the contents of this tag from different 3ds captures don't match. Probe responses contain the same Nintendo tag data as the probe requests from the same 3DS. The MAC address used in sleepmode seems to change sometimes, as well as the last 8-bytes of the Nintendo tag data?
When in standby mode, old DS wifi is used,(this includes SpotPass and StreetPass) but in "active" mode the regular DSi wifi bus is used.
When in standby mode, old DS wifi is used,(this includes SpotPass and StreetPass) but in "active" mode the regular DSi wifi bus is used.