Need Kernel That Supports CONFIG_CIFS_SMB311.
Issue
When one attempts to mount a CIFS share using vers=3.1.1 or vers=3.11, one gets an invalid argument error and the share is not mounted. Dmesg output shows that the CIFS VFS returns this error message: "Unknown vers= option specified: 3.11".
Environment
Red Hat Enterprise Linux 7 (RHEL7)
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