WS-C4900M Cisco 4900M 8 Port Base System

Cisco WS-C4900M - Catalyst 4900M Modular 10G Switch

The Cisco WS-C4900M is a high-performance, modular switch from the Catalyst 4900 Series, designed for enterprise distribution and aggregation layers. With support for 10 Gigabit Ethernet and modular expansion, it delivers secure, scalable, and resilient connectivity for data center and campus networks.

🔧 Key Specifications

• Form Factor: 2RU rack-mountable modular switch
• Slots: 8 line-card slots (supports 10G and Gigabit Ethernet modules)
• Ports: Up to 48x 10 Gigabit Ethernet ports or 80x Gigabit Ethernet ports (depending on module configuration)
• Switching Capacity: 320 Gbps
• Forwarding Rate: 250 Mpps
• Stacking: Not stackable; designed for modular expansion
• Memory: 2 GB RAM, 64 MB Flash
• VLAN Support: Up to 4094 VLAN IDs
• Layer Features: Advanced Layer 2 switching, full Layer 3 routing (OSPF, EIGRP, BGP, PBR)
• Security: Port security, DHCP snooping, dynamic ARP inspection, ACLs, TrustSec
• Dimensions: 3.5 x 17.2 x 17.9 in (2RU rack-mountable)
• Weight: ~25.0 lb without power supply
• Power Supply: Dual redundant, hot-swappable power supplies supported
• Reliability: Redundant fans, field-replaceable modules, high availability design

🧩 Ideal Use Cases

• Enterprise distribution and aggregation layers requiring 10G scalability
• Data center deployments needing modular expansion and high-density fiber connectivity
• Advanced Layer 3 routing for complex enterprise networks
• Secure VLAN segmentation and access control with high resiliency

⚙️ Licensing & Expansion
The WS-C4900M runs Cisco IOS software with IP Services, enabling advanced routing protocols (OSPF, EIGRP, BGP) and policy-based routing. Expansion is enabled through modular line cards, allowing flexible port configurations for Gigabit or 10G Ethernet.