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Dell Storage with Microsoft Storage Spaces Deployment Guide

Configuring the firewall for the Chelsio adapters

Chelsio adapters use iWARP RDMA technology that use TCP/IP for communications. To facilitate TCP/IP communications, add a firewall rule to the SMB server to allow incoming network traffic from the server message block (SMB) Direct clients. In Windows Server 2012 R2, SMB Direct with iWARP uses TCP port 5445 and the traditional 445 port used for SMB.

  1. Start a Windows PowerShell instance with Administrative privileges.
  2. To enable the incoming firewall rule to allow access by the client servers at the CLI, enter the following command.
    Enable-NetFirewallRule FPSSMBD-iWARP-In-TCP

    The FPSSMBD-iWARP-In-TCP command allows incoming network traffic on port 5445.

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