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PoE+ Compatibility and Port Configuration
The switch has 24 x 10/100/1000BASE-T PoE+ (IEEE 802.3at) downlink ports, providing up to 30 W per port to power IP phones, wireless access points, cameras and IoT devices. It has a total PoE budget of 445 W with a single PWR-C1-715WAC power supply, upgradable to 750 W with an extra 1100W PSU. The chassis offers a modular uplink slot that supports C9300-NM series network modules with flexible uplink speeds of 1G SFP, 10G SFP+, 25G, 40G and 100G. High availability with dual power supply slots and three field replaceable N+1 redundant fans.




Performance & Stacking
It has a switching capacity of 128 Gbps with 154.76 million packets per second forwarding rate, 16 MB packet buffer, 32000 MAC address entries, 4000 VLANs and 32000 IPv4 routes. StackWise™ 480 technology provides industry-leading 480 Gbps stacking bandwidth, with up to eight switches per stack and NSF/SSO sub-50-ms failover. StackPower technology allows pooling and distribution of power among stack members.
Security & Manage
The switch is based on Cisco IOS XE and the UADP 2.0 ASIC and features AES-128 MACsec hardware encryption, 802.1X authentication, TrustSec and Encrypted Traffic Analytics for encrypted threat visibility. Management options include CLI, NETCONF, RESTCONF and Cisco Catalyst Center.



Software Licensing & Best Deployment Practices
Available with permanent Network Essentials (E) for basic Layer 2 switching and basic Layer 3 routing (static, OSPF, EIGRP) or Network Advantage (A) for full dynamic routing (BGP, OSPF, EIGRP, IS-IS) and VRF-based multi tenancy. A necessary Cisco DNA subscription enables SDAccess policy automation and assurance. Flexible modular uplink expansion for campus access layers, large branch offices, and high-density converged PoE+ environments.
FAQ
Q1: What is the Cisco Catalyst C9300-24P?
A1: The Cisco Catalyst C9300-24P is a stackable Layer 3 Gigabit Ethernet PoE+ access switch designed for enterprise campus and branch deployments. It provides high performance, secure connectivity, and flexible uplink expansion.
Q2: How many ports does it have and what PoE does it support?
A2: It includes:
● 24 × 10/100/1000BASE-T PoE+ ports (IEEE 802.3at).
● Up to 30W per port for devices like IP phones, APs, and IP cameras.
● Total PoE budget: 445W (standard PSU configuration).
Q3: Can the PoE power budget be expanded?
A3: Yes. With power supply upgrades, the total PoE budget can be increased up to around 750W, depending on the PSU configuration (e.g., additional 1100W power supply option).
Q4: What uplink options are available?
A4: The switch supports modular uplinks via Cisco C9300-NM network modules, including:
● 1G SFP.
● 10G SFP+.
● 25G.
● 40G.
● 100G.
This makes it highly flexible for different campus and data aggregation needs.
Q5: Does it support stacking?
A5: Yes. It uses StackWise-480 technology, providing:
● Up to 480 Gbps stacking bandwidth.
● Up to 8 switches per stack.
● Fast failover (sub-50 ms) with NSF/SSO support.
● StackPower for shared power redundancy across stacked units.
Q6: What are its performance specifications?
A6: Key performance capabilities include:
● Switching capacity: 128 Gbps.
● Forwarding rate: 154.76 Mpps.
● MAC address table: 32,000 entries.
● VLAN support: up to 4,000 VLANs.
● IPv4 routes: up to 32,000 entries.
● Packet buffer: 16 MB.
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