The Cisco Catalyst 4948-10GE Switch is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1-RU), fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948-10GE offers exceptional performance, bandwidth, and reliability for low-density, multilayer aggregation of high-performance servers and workstations.

The Cisco Catalyst 4948-10GE offers 48 ports of wire-speed 10/100/1000BASE-T with 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics). Exceptional reliability and serviceability are delivered with optional internal AC or DC 1+1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans.

• Wire-speed performance for 10/100/1000 connectivity and wire-speed 10 Gigabit Ethernet uplinks
– 136-Gbps switching fabric with 102-Mpps forwarding rate for Layer 2 through 4
• Power-supply redundancy for nonstop operation
– 1+1 redundant hot-swappable internal AC or DC power supplies
• Robust Security
– Prevention of man-in-the-middle and IP-spoofing attacks
– Access control lists (ACL)
– Secure Shell (SSH) Protocol versions 1 and 2
– Simple Network Management Protocol Version 3 (SNMPv3) for secure remote access and network management
• Comprehensive management
– Dedicated 10/100 console port and dedicated 10/100 management port
– Remote in-band management through SNMP