I have FTTB and the VX420-G2v modem. It's the second VX420-G2v modem I've been supplied with (since I changed to G.Fast recently and had a new one sent out).   Every time I plug a HDD into the modem to network share it, the modem seems to crash within 10 minutes (it works briefly), and my internet disconnects.   I have tried both VX420 modems, THREE different HDDs, with multiple file system types.   At what point do we admit this is a known issue or a firmware issue? The only constant, in all of these scenarios, is the modem itself. Multiple HDDs, types of HDDS (powered and portable) and multiple file systems - ALL crash the modem. ... View more