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WS-C4948-10GE-S
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- Cisco 4948 Switch WS-C4948-10GE-S
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WS-C4948-10GE-S
Cisco 4948 Switch WS-C4948-10GE-S
$15,000.00
$7,245.00
25 in Global Warehouse
$7,245.00
52% off
TRUSTED, TRIED, PROVEN
WS-C4948-10GE-S Overview
WS-C4948-10GE-S is a high-performance, rack-mount switch designed for environments that demand robust scalability, stacking flexibility, and reliable connectivity. Engineered with a modern architecture, it delivers advanced switching performance through a combination of 48 Ethernet ports and dedicated 10-Gigabit uplink options, making it an ideal solution for both enterprise and data center applications.
WS-C4948-10GE-S supports both Layer 2 and Layer 3 functionalities, providing diverse routing options and enabling efficient network segmentation. Its design accommodates redundant AC power supply configurations and features a stacking system that seamlessly integrates with other units, ensuring continuous high-volume data processing and meeting the dynamic demands of mission-critical applications.
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WS-C4948-10GE-S Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply / AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Combo |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | WS-C4948-10GE-S |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 Ethernet ports (10/100/1000) and 4 10-Gigabit SFP+ uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | N/A |
| Switching Capacity With Stacking | N/A |
| Product Name | Cisco WS-C4948-10GE-S |
| Height | 1.75 inches |
| Width | 19 inches |
| Depth | 18 inches |
| Weight | N/A |
WS-C4948-10GE-S Use Case
Data Center Leaf-Spine Fabric for Virtualized Workloads
In a VMware ESXi cluster supporting 2,000+ VMs, the WS-C4948-10GE-S Cisco 4948 Switch acts as a leaf node, aggregating 48 Gigabit server uplinks and four 10GbE spine connections. This architecture delivers sub-microsecond latency, non-blocking 720 Gbps throughput, and seamless VM mobility—ensuring predictable performance during live migrations and peak I/O bursts.
Campus Aggregation Switch for Unified Communications and HD Video
An enterprise campus with 10 office buildings uses the WS-C4948-10GE-S Cisco 4948 Switch at each building’s telecom room to aggregate 48 edge access switches into two redundant 10GbE uplinks. Advanced QoS and jumbo-frame support guarantee jitter-free HD videoconferencing and VoIP traffic, improving collaboration uptime by 99.99% and simplifying network operations with Cisco IOS-XE automation.
High-Performance Computing Interconnect for Data-Intensive Research
A university HPC cluster running genomics analysis leverages the WS-C4948-10GE-S Cisco 4948 Switch as its core interconnect. With 720 Gbps non-blocking bandwidth and low-latency forwarding, large data sets move between 100+ compute nodes at line rate. This reduces job completion times by 40% and accelerates time-to-insight for critical scientific workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 18 inches | 18 inches | 11 inches | 12 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 32 MB | 64 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1 inches | 3.5 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | LAN Lite | LAN Base | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-X4993-F | WS-C4948-10GE-S | WS-C4948E-E | WS-X4920-GB-RJ45 | WS-X4992 |
| Media Type Supported | Combo | Combo | Twisted Pair | Twisted Pair | Combo |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 48 Ports | 8 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | POE | POE+ |
| Port/Expansion Slot Details | N/A | 48 Ethernet ports (10/100/1000) and 4 10-Gigabit SFP+ uplink ports | 48 fixed Ethernet ports and 4 SFP uplink ports | 24 RJ45 ports, 4 SFP uplink ports | 4 expansion slots available |
| Power Consumption | 350 W | N/A | N/A | 75 W | 200 W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply / Redundant Power Supply | Redundant Power Supply / AC Power Supply / N/A | Redundant Power Supply / AC Power Supply |
| Product Name | Enterprise Modular Stackable Switch WS-X4993-F | Cisco WS-C4948-10GE-S | Cisco Catalyst 4948E-E Ethernet Switch | WS-X4920-GB-RJ45 Gigabit Ethernet Switch | WS-X4992 High-Performance Stacked Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 2 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 12 SFP Ports |
| Switching Capacity | 480 Gbps | N/A | 32 Gbps | 52 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 960 Gbps | N/A | N/A | 104 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 1G | 1G | 10G |
| Weight | 25 lbs | N/A | 25 lbs | 15 lbs | 25 lbs |
| Width | 19 inches | 19 inches | 17.5 inches | 17 inches | 17.5 inches |
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Questions & Answers
Q
What is the Cisco WS-C4948-10GE-S switch?
A
The Cisco WS-C4948-10GE-S is a Catalyst 4948 Series switch offering 48 10/100/1000 Ethernet ports and 4 fixed 10 Gigabit SFP+ uplinks for high-performance enterprise networking.
Q
How many ports and what speeds does the Cisco 4948-10GE-S support?
A
The switch provides 48 RJ-45 ports supporting 10/100/1000 Mbps and 4 SFP+ uplink ports supporting 10 Gbps each.
Q
Does the WS-C4948-10GE-S support Power over Ethernet (PoE)?
A
No, the WS-C4948-10GE-S model does not support PoE or PoE+ and is optimized for pure data switching.
Q
What forwarding capacity and throughput does the Cisco 4948-10GE-S offer?
A
It delivers 176 Gbps of non-blocking switching bandwidth and up to 130 million packets per second (mpps) of forwarding throughput.
Q
Which Layer 3 features are available on the Cisco Catalyst 4948 switch?
A
It supports advanced Layer 2 features plus limited Layer 3 routing including static routing and RIP.
Q
Can I stack multiple WS-C4948-10GE-S switches?
A
Yes, the switch supports Cisco StackWise-Plus, enabling up to 9 units to operate as a single logical switch.
Q
What power supply options are available for the WS-C4948-10GE-S?
A
It offers dual hot-swappable AC power supply bays, supporting optional 375 W or 750 W AC modules for redundancy.
Q
What is the typical power consumption of the Cisco 4948-10GE-S?
A
Under full load, typical power consumption is approximately 140 W; actual usage varies by configuration.
Q
What mounting options does the Cisco WS-C4948-10GE-S support?
A
The switch includes rack-mount brackets for standard 19-inch cabinets and occupies 1 RU of rack space.
Q
Which Cisco IOS software editions run on the WS-C4948-10GE-S?
A
It runs Cisco IOS Software Release 12.2(33)SE with IP Base and IP Services feature sets.
Q
What warranty and support options are available for the 4948-10GE-S?
A
It includes a 90-day limited hardware warranty; optional Cisco SMARTnet contracts provide 24/7 support and software updates.
Q
How do I upgrade the IOS image on the WS-C4948-10GE-S?
A
Transfer the new IOS image via TFTP/FTP to flash, then set the boot variable under global configuration and reload the switch.
Q
What are the typical use cases for the Cisco 4948 switch?
A
It is ideal for campus access, wiring-closet aggregation, and small-scale data-center core deployments requiring high port density and 10 Gbps uplinks.
Q
How do I configure VLANs on the Cisco 4948-10GE-S?
A
In global configuration mode, use the commands “vlan <ID>” to create a VLAN and “interface <port>” with “switchport access vlan <ID>” to assign ports.
Q
Is the WS-C4948-10GE-S compatible with third-party SFP+ transceivers?
A
It is certified for Cisco SFP+ modules; third-party optics may work but are not officially supported under Cisco warranty.
Q
What is the difference between WS-C4948-10GE-S and WS-C4948-10GE?
A
The “-S” model includes enhanced IOS images and dual AC power-supply support, whereas the standard version ships with a single power-supply bay.
Q
How can I monitor and manage the Cisco 4948 switch?
A
It supports SNMP v1/v2c/v3, RMON, NetFlow, and integration with Cisco Prime Infrastructure for centralized management.
