Requirements for configuring BranchCache
After meeting some prerequisites, you can set up BranchCache.
The following requirements must be met before configuring BranchCache on the CIFS server for your SVM:
- ONTAP must be installed on all nodes in the cluster. 
- CIFS must be licensed and a CIFS server must be configured. 
- IPv4 or IPv6 network connectivity must be configured. 
- For BranchCache 1, SMB 2.1 or later must be enabled. 
- For BranchCache 2, SMB 3.0 must be enabled and the remote Windows clients must support BranchCache 2. 
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