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Port Configuration and PoE+ Support
The switch comes with 48 x 10/100/1000BASE-T PoE+ (IEEE 802.3at) downlink ports with up to 30W of power per port to power IP phones, wireless access points, surveillance cameras and IoT endpoints. The C9200L-24P-4X provides modular slots for C9200-NM series network modules for uplink connectivity supporting different uplink speeds of 1G SFP, 10G SFP+, 25G, or 40G. 740W PoE+ budget Single 1000W power supply (expandable to 1440W with a second PSU) NOTE: 48-port PoE versions only accept 1000W (1KW) power sources in either slot.
Stacking and Performance
The switch provides 176Gbps switching capacity and a forwarding rate of 130.95 million packets per second (Mpps) to deliver wire-speed non-blocking performance. StackWise-80 technology provides up to 80 Gbps of stacking bandwidth, so you can manage up to eight switches as one unit for simpler operations and great availability. MAC address table entries 32000 VLAN capacity 4096 Jumbo frame Up to 9198 bytes IPv4 routing table entries 4000 The chassis has dual, hot-swappable, field-replaceable power supplies, and redundant, field-replaceable fans.
Administration and Security
The switch is based on Cisco IOS XE and the UADP 2.0 Mini ASIC and provides hardware-based AES-128 MACsec encryption, 802.1X authentication, DHCP Snooping, Dynamic ARP Inspection and Encrypted Traffic Analytics (ETA) to provide visibility into encrypted threats. You can manage it using CLI, Cisco Catalyst Center, NETCONF, RESTCONF and SNMP. The switch supports full Layer 3 dynamic routing protocols such as OSPF, EIGRP, BGP, ISIS and RIP , and advanced QoS features for optimising voice, video and data traffic.
Software Licensing and Deployment
Software License Tiers The software license tiers are: • Network Essentials (C9200-48P-E) for basic Layer 2 switching, static routing, and basic segmentation • Network Advantage (C9200-48P-A), which adds full dynamic routing (BGP, OSPF, EIGRP, IS-IS), VRF-based multi-tenancy, and advanced policy capabilities The C9200-48P series is best suited for large branch offices, enterprise campus access layers, trading floors, and business office environments that need high-density PoE+ support for building security and unified communications systems and Wi-Fi 6/6E deployments that require modular uplink flexibility and high power delivery.
Product Positioning and Architecture
The Cisco Catalyst C9200-48P is an enterprise-class access layer switch in the Catalyst 9200 series, designed for campus networks, branch aggregation, and high-density PoE environments.
It runs Cisco IOS-XE, a full enterprise operating system that supports:
● Advanced Layer 2/Layer 3 services.
● Automation and programmability.
● Enterprise security frameworks.
● Integration with Cisco DNA Center and SD-Access.
It is positioned as a routed access switch for enterprise campus deployments.
Hardware Architecture
Downlink (Access Layer).
It runs Cisco IOS-XE, a full enterprise operating system that supports:
● 48 × 10/100/1000BASE-T RJ45 ports.
● IEEE 802.3af / 802.3at PoE+ support on all ports.
● Up to 30W per port (PoE class-dependent).
Hardware design characteristics:
● Dedicated PoE power ASIC.
● Separation of data plane and power delivery plane.
● Hardware-based QoS and ACL enforcement.
Uplink architecture:
● Modular uplink design (model-dependent).
● Supports:
○ 1G SFP.
○ 10G SFP+.
○ Dual-rate optical modules (GE/10GE).
Key properties:
● Independent uplink forwarding path.
● High-speed uplink aggregation.
● Redundant uplink topology support.
PoE Power System
Power budget:
● Typical system PoE budget: ~740W.
● Higher configurations with redundant PSU: up to ~1440W.
Power management engine.
The switch uses a dynamic PoE allocation system:
● IEEE 802.3af/at device classification detection.
● Per-port power allocation and prioritization.
● Power policing and overload prevention.
● Real-time power budgeting.
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