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

Specification

Product
Product id	324063
Brand	Cisco Systems
Partnr	WS-C4948E-S
EAN/UPC code	882658292309
Data transmission
MAC address table	55000 entries
Maximum data transfer rate	176 Gbit/s
Supported data transfer rates	10/100/1000 Mbps
Switching capacity	176 Gbit/s
Throughput	110/130 Mpps Mpps
Network
Networking standards	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Number of VLANs	4096
Management features
Switch type	Managed
Switch layer	L2
Quality of Service (QoS) support	Y
Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity	48, 2, 48
Security
MAC address filtering	Y
System requirements
Minimum RAM	1024 MB
Design
Stackable	Y
Product colour	Grey
Other features
Connectivity technology	Wired