Configuring CIFS optimization

You display and modify CIFS optimization and SMB signing settings in the Optimization > Protocols: CIFS (SMB1) page and the Optimization > Protocols: SMB2/3 pages.

For all SteelHead models except CX 580, 780, and 3080, CIFS latency optimization doesn’t require a separate license. The CX 580, 780, and 3080 models require the Standard licensing tier or better.

SMB3 and Kerberos Authentication Support are enabled by default. Typically, you disable CIFS optimizations only to troubleshoot the system.

You may also want to learn about the WinSec Controller, which is purpose-built to operate in secure environments. For details, see the WinSec Controller User Guide. To add a WinSec Controller appliance, see Adding a WinSec Controller appliance.

OS	Windows 10 WS* 2016 Technical Preview 2	Windows 8.1 WS 2012 R2	Windows 8 WS 2012	Windows 7 WS 2008 R2	Windows Vista WS 2008	Previous versions
Windows 10 WS 2016 TP2	SMB 3.1.1	SMB 3.0.2	SMB 3.0	SMB 2.1	SMB 2.0.2	SMB 1.x
Windows 8.1 WS 2012 R2	SMB 3.0.2	SMB 3.0.2	SMB 3.0	SMB 2.1	SMB 2.0.2	SMB 1.x
Window 8 WS 2012	SMB 3.0	SMB 3.0	SMB 3.0	SMB 2.1	SMB 2.0.2	SMB 1.x
Windows 7 WS 2008 R2	SMB 2.1	SMB 2.1	SMB 2.1	SMB 2.1	SMB 2.0.2	SMB 1.x
Windows Vista WS 2008	SMB 2.0.2	SMB 2.0.2	SMB 2.0.2	SMB 2.0.2	SMB 2.0.2	SMB 1.x
Previous Versions	SMB 1.x	SMB 1.x	SMB 1.x	SMB 1.x	SMB 1.x	SMB 1.x