Name: WS-C4948-S Cisco Catalyst 4948 48-Port Gigabit Layer3 Switch with 4 SFP+ Ports
Brand: Cisco
SKU: WS-C4948-S
Price: 179.33 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Cisco Catalyst 4948 delivers robust Ethernet switching with 48 RJ-45 ports and four SFP/SFP+ uplink options, fitting well into enterprise or data center setups. It combines Layer 2 and Layer 3 functions to support both basic connectivity and more complex routing needs. Its rack-mountable form factor makes it a practical choice for network administrators aiming to optimize space and network performance.

General Information
Brand	Cisco
Part Number	WS-C4948-S
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, SFP, USB Console, Serial Console (RJ-45)
Port Speed	10/100/1000 Mbps
UpLink Ports	4 x SFP
POE Support	No
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	RJ-45,SFP,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	16000

Management and Configuration
Routing Protocols	Static, RIP, OSPF, EIGRP, BGP, VRRP, HSRP, IGMP
Remote Protocols	Yes
Management Interfaces	CLI (Console),Web GUI (Limited),SNMP,RMON,Telnet,SSH
Security Features	ACLs,SSH,RADIUS,TACACS+,Port Security,Storm Control,BPDU Guard
Security	802.1X
Remote Management Protocol	SNMPv1,SNMPv2c,SNMPv3,SSH,Telnet,HTTP,HTTPS

Power & Cooling
Fans	Front-to-back (2) hot-swappable

Physical Characteristics
Dimensions	1.73 x 17.5 x 17.0 in (H x W x D)
Weight	10.00
Operating Temperature	0°C to 45°C

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus, CSA

Product Description
The Cisco Catalyst 4948 is a powerful Ethernet switch designed to handle high-density network traffic with ease. Built for enterprise and data center networks, it provides both Layer 2 and Layer 3 functionalities that help streamline network operations and routing. Often found in server rooms or network closets, this switch supports a broad range of connectivity options ideal for IT professionals and network administrators managing complex infrastructures. Its manageable features allow precise control over network performance and security. Key Features Offers 48 10/100/1000Base-T RJ-45 ports for versatile device connections Includes 4 SFP and SFP+ ports to accommodate fiber optic uplinks and high-speed data transfers Supports advanced Layer 3 routing protocols to improve network segmentation and traffic flow Designed with a rack-mountable chassis for efficient space utilization Provides comprehensive management tools to monitor and configure network settings This switch is typically deployed in enterprise networks where reliable, high-capacity switching is critical. It helps organizations maintain smooth communication between devices while ensuring scalability and resilience in their network infrastructure.

Use Cases
The Cisco Catalyst 4948 switch is primarily implemented in enterprise and data center networks requiring high port density and advanced routing capabilities. Network engineers and administrators leverage this device in scenarios demanding scalable Layer 3 routing combined with reliable Gigabit Ethernet connectivity over copper and fiber. How It's Used: Aggregating server connections in mid-sized data centers to support virtualization and storage traffic. Providing high-density access layer switching for enterprise campus networks with mixed copper and fiber requirements. Enabling distributed routing at network edges for branch office interconnectivity and WAN failover. Supporting rack deployments in colocation facilities where space optimization and flexible uplink options are essential. Facilitating segmentation and traffic management for security-sensitive environments using advanced Layer 3 features. By integrating Layer 3 routing with a large number of 10/100/1000 Mbps ports and versatile SFP uplinks, this switch helps maintain efficient traffic flows and network scalability. It suits environments where operational continuity and flexible connectivity configurations are key to infrastructure support.