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Odd behavior with file naming on RT-AC3100 using the USB file sharing (Samba)

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Robert Giuffre

Occasional Visitor
So this is more of an annoyance than a bug. I have an ASUS RT-AC3100 with the latest Merlin firmware. I have a 4TB SSD connected to the front USB 3.x port on the router. I am using File Sharing (SAMBA) as a Media Server. It works great on my network. The only issue I am having is when I create a new folder in the webui on the router. If I type the folder name in upper and lower case, it shows correctly on the media players. But, if I type something in all upper-case, it shows in lower-case on the media players. For example, I have the series MASH. I've tried many different combinations to try and get it all in upper-case. I've tried naming the folder "M.A.S.H." but it shows as "m.a.s.h." I tried naming the folder "MASH", but it shows as "mash". But if I name the folder "Mash", then it shows as "Mash".

I'm curious why the router would force it to all lower-case, unless it's a mixture of upper and lower case.
This is a feature of Windows File Explorer and nothing to do with Samba or the router.

See the Ubuntu example below which has no problem displaying upper, mixed and lower case names.
# smbclient -L
Password for [HOME\root]:

        Sharename       Type      Comment
        ---------       ----      -------
        ASUS            Disk      ClickUSB1's ASUS in Verbatim ClickUSB
        Mash            Disk      ClickUSB1's Mash in Verbatim ClickUSB
        entware         Disk      ClickUSB1's entware in Verbatim ClickUSB
        IPC$            IPC       IPC Service (RT-AX86U)
Last edited:

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