Cisco switch WS-C4948

10 Gigabit Ethernet Switching for High-Performance, Rack-Optimized Server Switching
The Cisco Catalyst 4948-10GE, a low-latency, 48-port 10/100/1000, 1-rack unit (RU), fixed-configuration switch with 2 wire-speed 10 Gigabit Ethernet uplinks for rack-optimized server switching applications. The Cisco Catalyst 4948-10GE offers exceptional performance and reliability for Layer 2 and Layer 3 server switching deployments for enterprise customers. The Cisco Catalyst 4948-10GE can be ordered immediately with first customer shipment (FCS) expected on March 8, 2005. Normal new product lead time (four weeks) will apply initially.

- Product overview
- New software features
- Product numbers
- FCS schedule and lead times
- Online documentation

PRODUCT OVERVIEW
The Cisco Catalyst 4948-10GE delivers wire-speed throughput with low latency for data-intensive applications using a 136-Gbps switching fabric with a 102-million packets per second (mpps) forwarding rate in hardware for Layer 2-4 traffic. High-performance switching is delivered regardless of the number of route entries or Layer 3 and 4 services enabled. Hardware-based Cisco Express Forwarding routing architecture allows for increased scalability and performance. X2 10 Gigabit Ethernet optics provide 20 Gigabit Ethernet wire-speed uplinks for maximum throughput of traffic.

Cisco Catalyst 4948-10GE Primary hardware features include:

- 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