WS-C4948E 4948E Switch with 48x 10/100/1000 ports and 4x 10G SFP ports

Cisco WS-C4948E - Catalyst 4948E 48-Port Gigabit + 10G Uplinks Switch

The Cisco WS-C4948E is a high-performance, fixed-configuration switch from the Catalyst 4900 Series, designed for enterprise distribution and aggregation layers. With 48 Gigabit Ethernet ports and 4 integrated 10 Gigabit uplinks, it delivers secure, scalable, and resilient connectivity for data center and campus networks.

🔧 Key Specifications

• Ports: 48x Gigabit Ethernet RJ45 ports + 4x 10 Gigabit Ethernet uplinks (SFP/SFP+)
• Switching Capacity: 176 Gbps
• Forwarding Rate: 131 Mpps
• Latency: Sub-5 microseconds for low-latency applications
• Layer Features: Advanced Layer 2 switching and full Layer 3 routing (OSPF, EIGRP, BGP, PBR)
• Security: Port security, DHCP snooping, dynamic ARP inspection, ACLs, TrustSec
• Dimensions: 1.75 x 17.5 x 19.4 in (1RU rack-mountable)
• Weight: ~19 lb
• Power Supply: Dual redundant, hot-swappable power supplies supported
• Reliability: Redundant fans, field-replaceable components, high availability design
• Software: Runs Cisco IOS with IP Services feature set

🧩 Ideal Use Cases

• Enterprise distribution and aggregation layers requiring 10G uplinks
• Data center deployments needing high-density Gigabit access with 10G backbone connectivity
• Advanced Layer 3 routing for complex enterprise networks
• Secure VLAN segmentation and access control with high resiliency

⚙️ Licensing & Expansion
The WS-C4948E runs Cisco IOS software with IP Services, enabling advanced routing protocols (OSPF, EIGRP, BGP) and policy-based routing. Unlike the modular WS-C4900M, the WS-C4948E is a fixed-configuration switch, offering simplicity and predictable performance.