The Cisco Catalyst 4948E offers:
- Twice the uplink capacity of the previous switch generation
- 1+1 power supply and fan redundancy for hardware replacement with no downtime
- Strict front-to-back cooling with no side or top venting
- Large shared packet buffers for microburst protection
- Nonblocking internal packet switching for east-to-west traffic patterns
- Full set of Layer 2 and 3 forwarding features
- Outstanding multicast performance
- Zero-touch provisioning with Cisco IOS Embedded Event Manager (EEM)
- Advanced quality of service (QoS)
- IP Version 6 (IPv6) switching and routing in hardware
- Extended MAC address tables to enable server virtualization