Cisco WS-C3550-48-SMI is a Layer 3-capable enterprise switch from the Cisco Catalyst 3550 series, designed for access and small distribution layer deployments.
This model provides 48 × 10/100 Fast Ethernet ports with Gigabit uplink capability, and runs the Standard Multilayer Image (SMI), offering basic Layer 3 routing features in addition to Layer 2 switching.
Key Features
- 48 × 10/100 Mbps Fast Ethernet ports
- 2 × Gigabit uplink ports (GBIC-based)
- Layer 3 switching (SMI image):
- Static routing
- RIP (limited routing features vs EMI)
- VLAN support (802.1Q trunking)
- Spanning Tree (STP / RSTP)
- QoS and ACL support
- Cisco IOS-based management (CLI, SNMP)
Technical Specifications
- Part Number: WS-C3550-48-SMI
- Series: Cisco Catalyst 3550
- Ports:
- 48 × 10/100 Mbps RJ-45
- 2 × Gigabit uplinks (GBIC)
- Switching Type: Layer 2 / Basic Layer 3 (SMI)
- Image Type: Standard Multilayer Image (SMI)
- Form Factor: 1U rack-mountable
- Management: CLI, SNMP, limited web interface
- Use Case: Access layer / small distribution
90 DAY'S