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Port Configuration & PoE+ Support
The switch comes with 24 x 10/100/1000BASE-T PoE+ (IEEE 802.3at) downlink ports with up to 30W per port and 4 × fixed 10G/1G SFP+ uplink ports for high-speed fibre backbone connectivity. Total PoE budget of 505W, extendable to 720W with optional second power supply; A single 715W PWR-C1-715WAC power supply is pre-installed, twin slots provide hot-swappable redundant units and three field-replaceable fans provide cooling redundancy (N+1).
Performance and Stacking
The switch has 128 Gbps of standalone switching capacity and a forwarding rate of 95.23 million packets per second (Mpps). StackWise™320 technology delivers 320 Gbps stacking bandwidth, with stacked performance increasing to 448 Gbps and 333.33 Mpps, enabling up to eight switches as a single logical unit. High availability with sub-50ms Failover Guaranteed by NSF/SSO.
Security and administration
The switch is built on Cisco IOS XE and the UADP 2.0 ASIC and provides hardware-based MACsec 256 encryption, TrustSec, Encrypted Traffic Analytics and 802.1X authentication. It can be managed using the CLI, NETCONF, RESTCONF, gRPC, or JSON-based Cisco Catalyst Center for policy-based automation.
Software Licensing & Deployment Best Practices
Available with Network Essentials (-E) for basic Layer 2 switching and static/routed access, or Network Advantage (-A) for full dynamic routing (OSPF, EIGRP, BGP, IS-IS) and VRF-based segmentation. Both require obligatory Cisco DNA subscription.
The C9300L 24P 4X series is excellent for campus access layers, high-density PoE+ deployments that require 10G uplink bandwidth for Wi-Fi 6/6E access points, next-generation IP phones, surveillance cameras, and IoT devices.
FAQ
Q1: What is the Cisco Catalyst C9300L-24P-4X Switch used for?
A1: It is designed for enterprise campus and branch access layers, providing high-density PoE+ connectivity for devices such as Wi-Fi 6/6E access points, IP phones, surveillance systems, and IoT endpoints, with high-speed 10G uplink support for backbone integration.
Q2: How many ports does it support and what is the PoE capability?
A2: It includes:
● 24 × 10/100/1000BASE-T PoE+ ports (up to 30W per port).
● 4 × 10G/1G SFP+ uplink ports.
● Total PoE power budget of 505W (expandable up to 720W with additional power supply).
Q3: Does it support stacking?
A3: Yes. It uses Cisco StackWise™-320 technology:
● Up to 8 switches can be stacked.
● 320 Gbps stacking bandwidth.
● Up to 448 Gbps aggregated performance in stack mode.
● Enables single logical switch management.
Q4: What is its switching performance?
A4: ● 128 Gbps switching capacity (standalone).
● 95.23 Mpps forwarding rate.
● High scalability when stacked with up to 333.33 Mpps performance.
Q5: What redundancy features does it offer?
A5: It supports:
● Dual power supply slots (hot-swappable).
● Optional redundant power (N+1 design).
● 3 field-replaceable fans for cooling redundancy.
● Sub-50ms failover using NSF/SSO technology.
Q6: What security features are included?
A6: Built on Cisco IOS XE with UADP 2.0 ASIC, it supports:
● MACsec 256-bit encryption.
● TrustSec security architecture.
● Encrypted Traffic Analytics (ETA).
● 802.1X authentication for secure access control.
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