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WS-X4992
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- Cisco 4900M Switch WS-X4992
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WS-X4992
Cisco 4900M Switch WS-X4992
$700.00
$299.00
27 in Global Warehouse
$299.00
57% off
TRUSTED, TRIED, PROVEN
WS-X4992 Overview
WS-X4992 is a high-performance, rack-mount switch engineered with an advanced modular architecture that supports both Layer 2 and Layer 3 functionalities. It offers flexible power options with redundant AC power supplies, a diverse array of ports including combo Ethernet and uplink configurations of up to 10G, and robust stacking capabilities that ensure seamless scalability and exceptional overall performance for data-intensive environments.
WS-X4992 is designed for enterprise applications where high reliability and efficient network management are paramount. Its extensive port options, including 12 SFP ports and 24 dedicated downlink ports, complement a modular design that facilitates easy expansion and stacking, catering to varied use cases from campus networks to mission-critical data centers while delivering optimal throughput and energy efficiency.
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WS-X4992 Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply / AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 200 W |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Combo |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | WS-X4992 |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | POE+ |
| SFP Ports | 12 SFP Ports |
| Memory | 512 MB |
| Rack Units | 2 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 4 expansion slots available |
| Flash Memory | 256 MB |
| Switching Capacity | 320 Gbps |
| Switching Capacity With Stacking | 640 Gbps |
| Product Name | WS-X4992 High-Performance Stacked Switch |
| Height | 3.5 inches |
| Width | 17.5 inches |
| Depth | 12 inches |
| Weight | 25 lbs |
WS-X4992 Use Case
High-Density Data Center ToR Aggregation
In a virtualized data center with 200+ hypervisor hosts, the WS-X4992 module on a Cisco 4900M delivers 48 non-blocking 1GbE ports plus four 10GbE uplinks for Top-of-Rack switching. By consolidating server traffic at wire-speed and enabling Hot-Standby Router Protocol (HSRP) for seamless failover, IT teams achieve sub-microsecond latency, 99.999% uptime, and simplified VLAN management—boosting VM migration performance and reducing rack-level cabling complexity.
Enterprise Campus Aggregation with QoS and Resiliency
In a multi-building corporate campus connecting 3,000 users and IP telephony endpoints, deploying the WS-X4992 in Cisco Catalyst 4900M chassis centralizes access-layer uplinks. Integrated hardware QoS, 802.1Q trunking and Link Aggregation Control Protocol (LACP) ensure voice/video priority and automatic load balancing. The result: consistent MOS >4.0 for VoIP calls, 50% faster failover times under spanning tree reconvergence, and a single-pane-of-glass for security policy enforcement.
Secure Multi-Tenant Metro Ethernet Distribution
An ISP delivers business-class Metro Ethernet to 50 SMB and enterprise customers over fiber rings. Installing the WS-X4992 in a Cisco 4900M node enables VRF-Lite segmentation, private VLANs, and ACL-based edge security on 48 customer ports. Four dedicated 10GbE uplinks connect to the provider backbone. This architecture guarantees SLA-driven bandwidth isolation, mitigates east-west traffic breaches, and simplifies on-demand service provisioning—driving 30% lower operational expenditure and strong compliance with data-segregation mandates.
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 | 18 inches | N/A | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10 Gigabit Ethernet | 10/100/1000 |
| Flash Memory | 64 MB | 32 MB | 64 MB | N/A | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Chassis | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | N/A | 3.5 inches |
| Interface Ports | 10/100/1000 | 10/100 | 10/100/1000 | N/A | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | IP Services | IP Services | IP Services |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C4948-10GE | WS-C4948-S | WS-C4928-10GE | WS-X4908-10GE | WS-X4992 |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Fiber | Combo |
| Memory | 256 MB | 256 MB | 256 MB | N/A | 512 MB |
| Number of Downlink Ports | 24–48 Ports | 48 Ports | 48 Ports | 8 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | Under 12 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 48 × 10/100/1000 Ethernet ports and 4 × 10GE SFP+ uplink ports | N/A | 48 fixed Ethernet ports with 4 integrated 10GE uplink ports | N/A | 4 expansion slots available |
| Power Consumption | 350 W | N/A | N/A | N/A | 200 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 4948-10GE | Cisco Catalyst 4948-S Switch | Cisco Catalyst 4928-10GE Switch | Cisco Catalyst WS-X4908-10GE 10 Gigabit Ethernet Module | WS-X4992 High-Performance Stacked Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | N/A | 2 RU |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | N/A | 12 SFP Ports |
| Switching Capacity | 176 Gbps | 32 Gbps | 128 Gbps | N/A | 320 Gbps |
| Switching Capacity with Stacking | 352 Gbps | 64 Gbps | 256 Gbps | N/A | 640 Gbps |
| Uplink Configuration | 10G | 1G | 10G | 10G | 10G |
| Weight | 25 lbs | 16 lbs | 25 lbs | N/A | 25 lbs |
| Width | 19 inches | 19 inches | 17.5 inches | N/A | 17.5 inches |
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Questions & Answers
Q
What is the Cisco WS-X4992 switch module?
A
The Cisco WS-X4992 is a 48-port 10/100/1000 Gigabit Ethernet switch module with four SFP uplink ports designed for the Catalyst 4900M chassis, delivering high-density Gigabit connectivity and advanced Layer 2 switching capabilities.
Q
How many Ethernet ports and uplinks does the WS-X4992 provide?
A
The WS-X4992 offers 48 fixed 10/100/1000BASE-T Ethernet ports plus four dedicated SFP uplink ports that support 1000BASE-SX/LX fiber connectivity.
Q
Which chassis is the WS-X4992 compatible with?
A
The WS-X4992 is exclusively compatible with the Cisco Catalyst 4900M Modular Switch chassis, supporting up to three line cards per chassis for flexible deployment.
Q
What uplink options are available on the WS-X4992?
A
WS-X4992 includes four SFP uplink ports that support 1000BASE-SX, 1000BASE-LX, and Cisco SFP fiber transceivers for versatile fiber or copper uplink configurations.
Q
What is the switching capacity and forwarding rate of the WS-X4992?
A
The module delivers a switching capacity of 19.2 Gbps per module and a forwarding rate up to 14.3 million packets per second (Mpps) for low-latency packet processing.
Q
Does the WS-X4992 support Layer 3 routing features?
A
Yes, when paired with an optional Route Switch Processor (RSP) in the Catalyst 4900M chassis, the WS-X4992 supports full Layer 3 routing, including OSPF, EIGRP, and BGP.
Q
How do I install the WS-X4992 in my Catalyst 4900M chassis?
A
Power down the chassis, slide the WS-X4992 module into an available line card slot, secure it with captive screws, then power up the chassis for automatic module recognition.
Q
Does the WS-X4992 support Power over Ethernet (PoE)?
A
No, the WS-X4992 does not support PoE. For powered endpoints, install a compatible PoE-capable module in the Catalyst 4900M chassis.
Q
What management interfaces does the WS-X4992 support?
A
Management is provided through the Catalyst 4900M chassis management module, offering CLI, Telnet/SSH, SNMP v2/v3, and CiscoWorks integration for centralized control.
Q
What are the power requirements for the WS-X4992 module?
A
The WS-X4992 draws approximately 30 W at full load and requires two redundant 650 W power supplies in the 4900M chassis for high availability.
Q
What warranty and support options are available for WS-X4992?
A
WS-X4992 is covered by Cisco’s limited lifetime warranty. Optional Smart Net Total Care provides 24/7 hardware replacement, software updates, and technical support.
Q
How can I upgrade the firmware on the WS-X4992?
A
Upgrade firmware via the Route Switch Processor using standard IOS procedures over TFTP, FTP or USB. Ensure compatibility with your chassis and line card IOS image.
Q
What security features are included in WS-X4992?
A
WS-X4992 supports 802.1X port-based authentication, Dynamic ARP Inspection, Port Security, VLAN ACLs and Secure Shell (SSH) for comprehensive network protection.
Q
How does the WS-X4992 enhance network performance?
A
By providing high-density Gigabit ports, wire-speed Layer 2 switching, advanced QoS queuing and hardware-based multicast support, WS-X4992 optimizes traffic flow and minimizes latency.
Q
Can I stack multiple WS-X4992 modules?
A
Physical stacking of WS-X4992 modules is not supported; however, the Catalyst 4900M chassis offers a single management plane for all installed line cards.
Q
What cooling requirements does the WS-X4992 have?
A
WS-X4992 relies on the Catalyst 4900M chassis fan tray for front-to-back airflow; no additional module-specific fans are required for proper cooling.
Q
Where can I purchase the Cisco WS-X4992 switch module?
A
Cisco WS-X4992 is available through authorized Cisco resellers, partner portals, and the Cisco online store. Contact certified distribution channels for pricing and availability.
