Cisco MDS 9148S – switch – 48 ports – Managed – rack-mountable

Here are the quick specs for the Cisco MDS 9148S managed, rack-mountable Fibre Channel switch:

🧩 Overview

• Model: Cisco MDS 9148S 16 G Multilayer Fabric Switch
• Form Factor: 1U rack-mountable chassis (17.16″ W × 16.34″ D × 1.72″ H)
• Port Count: Up to 48 autosensing Fibre Channel ports, enabled in 12‑port increments (12/24/36/48) via license
• Port Speed: 2/4/8/16 Gbps autosensing; each port offers dedicated 16 Gbps line rate

⚙️ Performance & Bandwidth

• Aggregate Bandwidth: 768 Gbps bi-directional
• Buffer Credits: Up to 256 credits per group of four ports (default 64 per port, max 253 per port)
• Advanced Fabric Features: VSAN, Inter-VSAN routing (IVR), PortChannels, multipathing (FSPF), QoS
• Virtualization Support: NPIV, NPV, FlexAttach for SAN virtualization

🔄 Reliability & Availability

• In-Service Software Upgrades (ISSU) supported
• Redundancy: Dual hot-swappable power supplies (300 W each) + dual fan trays
• Port Resiliency: ISL PortChannels, F-port trunking, slow-port detection and recovery

🔐 Security & Management

• Access Controls: Role-based (RADIUS/TACACS+/LDAP), hardware zoning via ACLs, secure login (SSHv2), SNMPv3 (AES), SFTP
• Diagnostics: FC ping, traceroute, SPAN, Fabric Analyzer, Call Home
• Management Tools: CLI (NX-OS), Cisco Prime DCNM for SAN Essentials/Advanced, POAP wizards

🔌 Power & Physical

• Dimensions: 17.16″ × 16.34″ × 1.72″ (43.6 × 41.5 × 4.37 cm), 1 RU
• Weight: ~9 kg (19.84 lb) fully populated
• Power Supplies: 300 W AC input (100–240 VAC, 50/60 Hz) each
• Operating Environment: 0–40 °C, 10–90 % RH; non-operating: −40–70 °C, 5–95 % RH