To display brands list you need to create product attribute first. Go to Dashboard -> Products -> Attribute -> create new for your product brands. Then go to Theme Settings -> Shop -> Brands and set the newly created attribute. Be sure that you have added some brands to that attribute also.
C9500-32C-A is a Cisco Catalyst 9500 Series high performance 32-port 100G switch, NW Adv. License. The Cisco Catalyst 9500 Series Switches are the next generation of enterprise-class core and aggregation layer switches, supporting full programmability and serviceability. Based on an x86 CPU, the Catalyst 9500 Series is Cisco's lead purpose-built fixed core and aggregation enterprise switching platform, built for security, IoT, and cloud. The Catalyst 9500 Series is the industry's first purpose-built 40 Gigabit Ethernet line of switches targeted for the enterprise campus.