Cisco WS-C4948E Layer 3 Gigabit Ethernet Switch

The Cisco WS-C4948E Catalyst Switch is an enterprise-class Layer 3 managed switch from Cisco’s Catalyst 4900 Series that provides 48 fixed 10/100/1000 Gigabit Ethernet ports for high-performance data-center and enterprise networking, enabling dense access and aggregation in a compact 1U chassis. It supports wire-speed Layer 2 to Layer 3 forwarding with a switching capacity up to 96 Gbps and a forwarding rate up to 72 million packets per second, includes 4 × SFP/SFP+ uplink interfaces for core connectivity, and uses a single DC power supply (model dependent) for rack-mount deployments. Common applications include server access switching, data-center backbone, and high-throughput LAN infrastructures, with part number WS-C4948E in the Catalyst 4900 Series; common replacements cited include Cisco Nexus N3K-C3048TP-1GE, Cisco Catalyst C9300-48T-A, and Aruba 3810M 48G Switch.