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C9350 Distribution Switches

Cisco Smart Switches

The Cisco C9350 Series fiber switches provide high-speed access and aggregation for campus networks. They support up to 48 ports of 1G/10G/25G using SFP and SFP28 interfaces, enabling high-bandwidth connectivity for distribution layers and data-intensive endpoints. 

Built on a Cisco Silicon One A100/L ASIC with an x86-based control plane, the platform supports programmability, streaming telemetry, and on-box application hosting at the network edge.

StackWise-1.6T enables stacking of up to eight switches into a single logical system, including both copper and fiber models. This configuration increases port density and aggregate throughput while maintaining a single management plane and consistent policy. It allows teams to combine Multigigabit copper for user devices and Wi-Fi access points with fiber for high-speed uplinks and aggregation within the same stack.

Product Highlights
  • Unified Experience
  • Performance and Scalability
  • Advanced Security and Cryptography
  • Application and Endpoint Visibility
  • Enhanced App Hosting


Management
  • Unified management across cloud, on-premises, and hybrid deployments.
  • Cisco IOS XE operating system.
  • Flexible NetFlow for traffic visibility and analytics.
  • Streaming telemetry support.
  • Syslog support for event logging and troubleshooting.
  • SPAN and ERSPAN for traffic monitoring and diagnostics.
  • Support for application hosting and programmability through an x86-based control plane.
Remote Diagnostics
  • Embedded packet capture and traffic analysis capabilities.
  • SPAN and ERSPAN support for remote troubleshooting.
  • Comprehensive logging and monitoring through Cisco IOS XE management tools.
  • Telemetry-based operational visibility.
  • Support for remote diagnostics through Cisco management platforms.
Stacking
  • StackWise®-1.6T technology supporting up to 8 switches in a stack.
  • Up to 1.6 Tbps stack bandwidth.
  • Single IP address and unified management across the stack.
  • Mixed stacking support across copper and fiber C9350 models.
  • StackPower+ support for power sharing and redundancy.
  • StackPower+ domains supporting up to 4 switches
Layer 3
  • Static IPv4 and IPv6 routing.
  • OSPFv2 and OSPFv3 support.
  • IPv4 and IPv6 multicast routing.
  • PIM-SM and PIM-SSM multicast support.
  • Advanced routing capabilities through Cisco IOS XE.
  • BGP EVPN support (availability dependent on software release).
  • Support for high-scale routing deployments.

Ethernet Switching Capabilities
  • IEEE 802.1Q VLAN support.
  • Quality of Service (QoS) with traffic classification and queuing.
  • Link Aggregation Control Protocol (LACP).
  • IEEE 802.1AB Link Layer Discovery Protocol (LLDP).
  • Cisco Discovery Protocol (CDP).
  • IGMP Snooping.
  • Port mirroring using SPAN and ERSPAN.
  • Multiple Spanning Tree Protocol (MSTP) and Rapid Spanning Tree Protocol (RSTP).
  • BPDU Guard, Root Guard, Loop Guard, and UDLD.
  • Broadcast, multicast, and unknown unicast storm control.
  • Up to 64,000 MAC address entries.
Security
  • Cisco TrustSec support.
  • MACsec encryption.
  • Hardware-accelerated IPsec capabilities.
  • IPv4 and IPv6 ACLs.
  • Secure Boot and image signing.
  • Cisco Live Protect support.
  • Post-Quantum Cryptography (PQC) readiness.
  • Device authentication and policy enforcement through Cisco IOS XE security features.


Multigigabit mode​ls

Cisco C9350 Multigigabit switches provide high-speed access for enterprise and smart building networks. They support up to 48 ports of 1G, 2.5G, 5G, and 10G with full 90W UPOE+ available on every port to power Wi-Fi 6, 6E, and 7 access points, IoT devices, and high-power endpoints.

10/100/1000M models​

Cisco C9350 Series 1G switches provide up to 48 copper downlink ports supporting 10/100/1000 Mbps and full IEEE 802.3bt Type 3 Power over Ethernet (UPOE), delivering up to 60W per port. In an eight-member StackWise-1.6T configuration, they scale up to 384x 1G ports and 384x 60W UPOE ports with a single control plane for management and high availability. These models use the same modular components as the Multigigabit platforms, enabling consistent features and operations across deployments. They models are well-suited for wired access, smart building infrastructure, and IP-based endpoints across campus environments.

Fiber models

The Cisco C9350 Series fiber switches provide high-speed access and aggregation for campus networks. They support up to 48 ports of 1G/10G/25G using SFP and SFP28 interfaces, enabling high-bandwidth connectivity for distribution layers and data-intensive endpoints.


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Interfaces
  • C9350-12Y
    • 12 x SFP28 ports supporting 1G, 10G, and 25G operation.
    • Modular uplink support up to 200 Gbps aggregate bandwidth.
  • C9350-24Y
    • 24 x SFP28 ports supporting 1G, 10G, and 25G operation.
    • Modular uplink support up to 400 Gbps aggregate bandwidth.
  • C9350-24S
    • 24 x SFP ports supporting 1G fiber connectivity.
    • Modular uplink support up to 200 Gbps aggregate bandwidth.
  • C9350-48S
    • 48 x SFP ports supporting 1G fiber connectivity.
    • Modular uplink support up to 200 Gbps aggregate bandwidth.
Power over Ethernet (No-PoE)
  • Not applicable to C9350 fiber switch models.
  • Designed primarily for fiber access, aggregation, campus distribution, and high-bandwidth connectivity applications.
Mounting
  • 1RU rack-mountable switch platform.
  • Field-replaceable power supplies.
  • Field-replaceable fan modules.
  • Modular uplink network modules.
  • Rear-accessible fan and power modules for simplified maintenance.
Environment
  • Three field-replaceable fan modules.
  • Enterprise-class cooling architecture.
  • Designed for campus, branch, aggregation, and smart building deployments.
  • Operating temperature: -5°C to 45°C (up to 1,800 m altitude).
  • Relative humidity: 10% to 95% non-condensing.
Performance
  • Up to 1.6 Tbps stack bandwidth.
  • Up to 64,000 MAC addresses.
  • Up to 256,000 IPv4 routes.
  • Support for high-scale IPv6 routing.
  • Up to 4,094 VLANs.
  • Up to 2,000 SVIs.
  • Jumbo frame support up to 9,216 bytes.
  • Flexible NetFlow support.
  • Hardware support for NBAR application recognition.
Power
  • Hot-swappable, field-replaceable AC power supplies.
  • Support for N+1 power redundancy.
  • StackPower+ power sharing and redundancy.
  • Multiple power supply options depending on deployment requirements.
  • Automatic power balancing and redundancy modes.
Warranty
  • Cisco Limited Lifetime Warranty (LLW).
  • Coverage applies to Cisco C9350 Series Smart Switches.
  • Warranty remains valid for the lifetime of the product ownership by the original end customer.
  • Warranty support continues for up to five years following the end-of-sale announcement if the product is discontinued.
Memory
  • 16 GB DRAM.
  • 18 GB Flash memory.
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