Cisco Catalyst WS-C4500X-16SFP+ Full English Product Description

1. Short Sales Title

2. Official Product Overview

Model Suffix Breakdown

• WS-C: Cisco Catalyst LAN Switch Identifier
• 4500X: Catalyst 4500-X fixed 10G aggregation switch series
• 16: Sixteen built-in base SFP/SFP+ ports
• SFP+: Native dual-speed SFP+ port interface supporting 1G SFP and 10G SFP+ optical transceivers
  No suffix “F”: Front-to-back airflow (burgundy color-coded fans/PSUs; WS-C4500X-F-16SFP+ is back-to-front blue airflow variant)

Port Layout Definition

1. Front Panel Base Ports: 16 × SFP+ slots (10GE / 1GE auto-sense, SFP/SFP+ transceivers sold separately)
2. Rear Expansion Slot: 1 dedicated network module slot compatible with C4KX-NM-8SFP+ (8 additional SFP+ uplink ports)
3. Out-of-Band Management Interfaces (Front):
   • RJ45 RS232 serial console port
   • Mini USB console port
   • 10/100/1000BASE-T dedicated out-of-band Ethernet management port
   • External SD card slot + USB storage port for logs, config and IOS XE image storage
4. Rear Compartment: Dual independent hot-swappable power supply bays + integrated redundant variable-speed fan tray

Supported Optional Modules & Transceivers

1. Uplink expansion module: C4KX-NM-8SFP+ (8×10G SFP+)
2. Optical transceivers: All Cisco SFP (1G) and SFP+ (10G SR/LR/ER/ZR) optical modules
3. Power supplies: AC 750W / 1100W hot-swap PSU, DC 1100W telecom negative power PSU

3. Hardware & Physical Specifications

Core Switching Performance

• Total switching fabric capacity: 800 Gbps full-duplex non-blocking
• Wire-speed forwarding rate: 250 Mpps for Layer 2 bridging, IPv4 hardware routing; 125 Mpps IPv6 hardware forwarding
• Shared packet buffer memory: 32 MB dynamic shared buffer across all ports
• CPU: Dual-core 1.5 GHz processor
• System memory: 4 GB DDR2 SDRAM, 2 GB internal NVRAM flash, expandable via external SD card
• Maximum concurrent ports: 16 base SFP+ + 8 expansion SFP+ = 24×10GE total ports

Scale Table Capacities

• MAC address table: 55,000 MAC entries
• IPv4 routing table: 64,000 routes; IPv6 routing table: 32,000 routes
• Maximum VLANs: 4094 802.1Q tagged VLANs
• SVI routed interfaces: Up to 4094 SVIs
• TCAM ACL/QoS security entries: 128,000 Flexible NetFlow flow records
• DHCP snooping bindings: 12,000 entries; ARP table capacity: 47,000 entries
• Jumbo frame support: Up to 9216 bytes for bridged and routed traffic

Power & Cooling System

• Power supply bays: 2 hot-swappable redundant slots supporting 1+1 N+1 power failover
• Supported PSU input: AC 100–240V 50/60Hz; DC –48V telecom power
• Fan tray: Integrated dual redundant variable-speed hot-swappable fan assembly
• Airflow direction: Front-to-back (port side intake, rear PSU exhaust; burgundy labeling)
• Real-time monitoring: Fan speed, internal temperature, PSU voltage and fault alerts via front panel LEDs, console and SNMP traps

Physical & Environmental Parameters

• Rack form factor: 1 RU standard 19-inch rack mount
• Dimensions (H × W × D): 4.4 cm × 43.8 cm × 53.3 cm (1.73 × 17.24 × 21.0 inches)
• Weight: 16.29 kg (35.9 lbs) bare chassis without power supplies; fully loaded max weight 21 kg (46.3 lbs) with dual PSUs and expansion module installed
• Operating temperature: 0°C to 40°C (32°F–104°F); altitude up to 3000 meters
• Storage temperature: -40°C to 75°C (-40°F–167°F)
• Relative humidity: 10%–90% non-condensing
• Compliance Certifications: FCC Class A, UL 60950-1, CE, VCCI Class A, NEBS Level 3, RoHS compliant

Front Panel Status LED Indicators

4. Full Layer 2 & Layer 3 IOS XE Feature Set (IP Base License Included)

Layer 2 Switching Features

• IEEE 802.1D STP, 802.1w Rapid STP, 802.1s MSTP (10,000 STP instances)
• 802.1Q trunking, ISL trunk encapsulation, Q-in-Q VLAN stacking
• Private VLAN host isolation, voice VLAN auto-detection for IP phone uplink aggregation
• Port security, static/dynamic secure MAC address learning, MAC filtering
• 802.3ad LACP EtherChannel link aggregation (max 8 ports per bundle)
• Broadcast/multicast/unicast storm suppression
• IGMPv1/v2/v3 snooping, CGMP for IPTV and video multicast optimization
• Local SPAN, RSPAN remote traffic mirroring for monitoring
• 802.3x full-duplex flow control

Layer 3 Routing & Multicast Features

• Static routing, RIP v1/v2, full multi-area OSPFv2, EIGRP, BGPv4/BGPv6 inter-domain routing
• Wire-speed hardware SVI inter-VLAN routing
• Native IPv4 / IPv6 dual-stack hardware forwarding
• PIM-DM / PIM-SM / PIM-SSM multicast routing, MSDP support
• ECMP equal-cost multi-path load balancing across multiple 10GE uplinks
• Multi-VRF Lite multi-tenant network segmentation
• VSS Virtual Switching System: Pair two WS-C4500X switches into a single logical switch for core resiliency, supporting SSO, NSF and ISSU in-service software upgradesCisco

Advanced MQC QoS & Traffic Prioritization

• Hierarchical MQC modular QoS policy framework
• 8 hardware priority queues per physical port, bidirectional 802.1p CoS / DSCP mapping
• Ingress traffic policing, egress shaping, packet marking and remarking
• Pre-built Auto-QoS templates optimized for VoIP, video conferencing and IP surveillance traffic prioritization

Enterprise Security Suite

• IEEE 802.1X port-based NAC authentication with RADIUS/TACACS+ AAA identity integration
• DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard, uRPF anti-spoofing protection
• Hardware-accelerated Port ACL, VLAN ACL (VACL), Route ACL traffic filtering
• IEEE 802.1AE MACsec link encryption on all 10GE SFP+ ports
• SSHv2 encrypted CLI management, SNMPv3 secure monitoring, encrypted startup-config files
• Control Plane Policing (CoPP) to protect supervisor CPU from DDoS attacks
• Cisco TrustSec security group tagging for end-to-end policy segmentation

Monitoring & Management

• Flexible NetFlow v9 full flow export for application visibility and traffic analytics
• Out-of-band dedicated Ethernet management port for isolated device access
• USB / SD card storage for offline log capture, IOS image upgrades and configuration backup
• Smart Install zero-touch deployment for mass switch provisioning
• Cisco EnergyWise power efficiency monitoring for idle port power reduction

5. High Availability Capabilities

1. Dual hot-swappable redundant AC/DC power supplies (1+1 power failover protection)
2. Dual redundant variable-speed hot-swappable fan tray for cooling redundancy
3. Full OIR Online Insertion and Removal for power supplies and fan trays (live replacement without chassis shutdown)
4. VSS multi-chassis virtual switching with SSO Stateful Switchover, NSF Nonstop Forwarding and ISSU In-Service Software Upgrade for zero-downtime core upgrades
5. Hardware-based failover for all Layer 2/Layer 3 forwarding tables with sub-second convergence

6. Typical Deployment Scenarios

1. Medium Enterprise Building Distribution Aggregation

   Compact 1RU form factor fits limited rack space in multi-floor wiring closets; 10GE fiber uplinks aggregate dozens of Catalyst 3850/9300 PoE access switches, consolidating unified voice, video and data traffic for entire office buildings.
2. Small Campus Core Switch

   Two WS-C4500X-16SFP+ deployed in VSS virtual switching mode deliver fully redundant campus backbone with wire-speed Layer 3 routing, supporting multi-building inter-VLAN communication and WAN fiber uplink aggregation.
3. SMB Mini Data Center Leaf/Spine Switch

   10GE SFP+ ports connect server racks, storage arrays and firewalls; optional 8-port uplink module creates leaf-spine architecture for small enterprise data centers with high-speed east-west server traffic forwarding.
4. Remote Regional Branch High-Availability Core

   Space-efficient aggregation for multi-VLAN branch networks, combining Layer 3 routing, multicast IPTV and secure WAN uplink termination without large modular 4500 chassis footprint.
5. Catalyst 4500 Modular Chassis Uplink Aggregation

   Deployed as a dedicated 10GE uplink companion switch to expand fiber port density for legacy WS-C4507R+E / WS-C4510R+E campus core chassis.

7. Standard Package Contents

Items Sold Separately (Not Included)

• AC or DC hot-swappable redundant power supply units
• Optional C4KX-NM-8SFP+ 8-port 10GE uplink expansion module
• SFP (1G) / SFP+ (10G) optical transceivers for all base and expansion ports
• Console cable, SD memory cards, cable management accessories

Short Commercial Catalog Version (For Quotation & Datasheet Use)