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I have a network device (USB cable modem) connected to a Linux laptop via USB port: is it possible to access underlying OS file system (eCos real-time OS) running on the modem via USB port? I tried to connect to it via it interface IP address, but it doesn't allow it.

ip addr show 8: enxe448c7bb62ed: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether e4:48:c7:bb:62:ed brd ff:ff:ff:ff:ff:ff inet 192.168.100.10/24 brd 192.168.100.255 scope global dynamic noprefixroute enxe448c7bb62ed valid_lft 19sec preferred_lft 19sec inet6 fe80::74d6:6a90:8191:5c49/64 scope link noprefixroute valid_lft forever preferred_lft forever

also

sudo dmesg [ 5473.124644] usb 1-1.3: new high-speed USB device number 12 using ehci-pci [ 5473.247266] usb 1-1.3: New USB device found, idVendor=0b05, idProduct=2505, bcdDevice= 1.01 [ 5473.247281] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 5473.247287] usb 1-1.3: Product: USB Cable Modem [ 5473.247291] usb 1-1.3: Manufacturer: [ 5473.247296] usb 1-1.3: SerialNumber: E448C7BB62ED [ 5478.371191] cdc_ether 1-1.3:2.0 eth0: register 'cdc_ether' at usb-0000:00:1d.0-1.3, CDC Ethernet Device, e4:48:c7:bb:62:ed [ 5478.405330] cdc_ether 1-1.3:2.0 enxe448c7bb62ed: renamed from eth0
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    The logs show that your system recognizes your dongle as an USB Cable Modem, not a Mass Storage Device containing a filesystem containing files. You might temporarily blacklist the cdc_ether module. Commented Dec 8 at 3:49
  • We need more details, what do you mean by "is it possible view/browse files on device treating it like an external drive?". Does this device have a storage device attached somewhere on the network or you want to access whatever underlying OS (if any) is running the modem? Commented Dec 8 at 4:57
  • Hi Lexx, a cable modem is not a storage device, it's a network interface. And your system shows that it's recognized as such! So, it's unclear to me what you mean with "files on device" at all: it's not the kind of device that stores files at all, so to me the question makes no sense. Could you elaborate on which files you mean? Commented Dec 8 at 8:47
  • @td211 I mean to access file system of underlying OS (eCos real-time OS) running on the modem via USB port. Commented Dec 8 at 9:34
  • @LexxLuxx that is crucial information – how is anyone supposed to guess the operating system of your modem? add it to your question, please, and also make sure you stress what this then has to do with Linux/UNIX, because to me it seems like it's a question of making a non-Linux/UNIX device behave as it shouldn't. Commented Dec 8 at 9:39

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