Run following command to find max SMB version. With VNX File OE version 7.1.65.8 or later the VNX supports SMB3.0 as the default CIFS protocol.  $ server_cifs   [nasadmin[NAME] ~]$ server_cifs server_2 server_2 : 256 Cifs threads started Security mode = NT Max protocol = SMB3.0      <<<<<<<<<         I18N mode = UNICODE Home Directory Shares DISABLED Usermapper auto broadcast enabled
How to check SMB version running on VNX FILE?
How to check SMB version running on VNX FILE?