Cisco WS-C4948-10GE Catalyst Switch Overview
The Cisco WS-C4948-10GE is a high-performance, low-latency, Layer 2 to 4, fixed-configuration switch designed for rack-optimized server switching. Part of the Cisco Catalyst 4900 Series, it offers exceptional performance and reliability for low-density, multilayer aggregation of high-performance servers and workstations. With a compact 1-RU form factor, it is ideal for data centers and enterprise environments requiring high availability and scalability.
Key Features and Benefits
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High-Density Gigabit Ethernet Ports: Equipped with 48 wire-speed 10/100/1000BASE-T ports, the WS-C4948-10GE ensures seamless connectivity for a multitude of devices, facilitating efficient data transfer across the network.
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10 Gigabit Ethernet Uplinks: The switch includes 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics), providing high-bandwidth uplinks essential for modern data center architectures.
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Advanced Layer 2-4 Switching: Built on the proven Cisco Catalyst 4500 Series hardware and software architecture, it supports advanced Layer 2 to Layer 4 switching features, including quality of service (QoS) and security services, ensuring high performance and scalability.
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Robust Performance: With a switching capacity of 136 Gbps and a forwarding rate of 102 million packets per second (Mpps), the WS-C4948-10GE delivers wire-speed performance for demanding applications.
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Comprehensive Security: The switch supports a range of security features such as Access Control Lists (ACLs), 802.1x authentication, DHCP snooping, and Dynamic ARP Inspection, safeguarding the network against unauthorized access and threats.
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IPv6 Support: IPv6 support ensures the switch is future-ready, accommodating the evolving needs of modern network infrastructures.
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Redundant Power Supplies and Fans: Optional internal AC or DC 1+1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans enhance reliability and serviceability.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Cisco WS-C4948-10GE |
| Ethernet Ports | 48 × 10/100/1000BASE-T |
| 10 Gigabit Ethernet Ports | 2 × 10GE X2 |
| Switching Capacity | 136 Gbps |
| Forwarding Rate | 102 Mpps |
| Memory | 256 MB DRAM, 64 MB Flash |
| MAC Address Table Size | 55,000 entries |
| VLAN Support | Up to 4096 VLANs |
| Multicast Entries | 28,000 (Layer 3), 16,000 (Layer 2) |
| Spanning Tree Instances | 10,000 |
| Form Factor | Rack-mountable (1RU) |
| Dimensions (H × W × D) | 1.73 x 17.5 x 16.17 in (4.39 x 44.45 x 41.07 cm) |
| Weight | Approx. 16 lbs (7.26 kg) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | –40°C to 75°C (–40°F to 167°F) |
| Operating Humidity | 10% to 90% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
Software and Management
The WS-C4948-10GE supports multiple Cisco IOS Software images:
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LAN Base Image: Provides basic Layer 2 switching features.
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IP Base Image: Adds Layer 3 routing capabilities such as RIP, static routes, and EIGRP stub.
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Enterprise Services Image: Offers comprehensive Layer 3 routing protocols including OSPF, IS-IS, EIGRP, BGP, AppleTalk, and IPX.
Management options include Command-Line Interface (CLI), Simple Network Management Protocol (SNMP), Remote Monitoring (RMON), Telnet, and web-based interfaces, facilitating seamless integration into various network management frameworks.
Conclusion
The Cisco WS-C4948-10GE Catalyst Switch stands out as a robust, high-performance solution for enterprises seeking reliable and scalable network infrastructure. Its combination of high-density Gigabit Ethernet ports, 10 Gigabit uplinks, advanced Layer 2-4 features, and comprehensive security makes it an ideal choice for data centers and enterprise networks aiming for efficiency and future readiness.
You can also visit the manufacturer’s website link for more information.
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