SKU: 92733051000

Cisco Catalyst C9300L-48UXG-4X Ethernet Switch

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Description

Cisco Catalyst C9300L-48UXG-4X Ethernet SwitchThe Cisco Catalyst 9300L family is the leading stackable enterprise switching platform designed to secure IoT, support mobility, and accelerate cloud initiatives. The Cisco Catalyst C9300L 48UXG 4X Ethernet Switch brings high density access, flexible uplinks, and robust security into a scalable, energy efficient package. Engineered for modern campuses and enterprise networks, this switch combines Cisco IOS XE software with intent based capabilities,

The Cisco Catalyst 9300L family is the leading stackable enterprise switching platform designed to secure IoT, support mobility, and accelerate cloud initiatives. The Cisco Catalyst C9300L-48UXG-4X Ethernet Switch brings high-density access, flexible uplinks, and robust security into a scalable, energy-efficient package. Engineered for modern campuses and enterprise networks, this switch combines Cisco IOS XE software with intent-based capabilities, delivering a resilient foundation for wired IoT devices, voice and video endpoints, and critical data flows across your organization. With its 48 fast Ethernet ports and 4 high-speed uplinks, the C9300L-48UXG-4X is purpose-built to power growth, simplify operations, and safeguard network infrastructure from edge to core.

  • High-density access with versatile uplinks: Feature-rich 48-port access layer combined with 4x 10-Gigabit uplinks provides scalable aggregation and rapid, low-latency interconnects to distribution and core switches. This design supports dense desk-side connectivity while ensuring abundant headroom for uplink-intensive workloads, multimedia collaboration, and IoT data streams.
  • Security-first architecture for modern networks: Built with comprehensive security features including advanced access control, 802.1X authentication, dynamic ARP inspection, DHCP snooping, and MACsec where supported. The switch enforces policy at the edge, reducing risk of unauthorized devices and safeguarding sensitive traffic as users and devices connect across campus and office environments.
  • IoT and mobility ready: Designed to handle the surge of IoT endpoints and mobile devices, the C9300L-48UXG-4X supports segmentation, quality of service, and policy-based access to ensure reliable performance for smart sensors, cameras, and wireless access points while keeping device management straightforward.
  • Cloud-ready with powerful management and automation: Runs Cisco IOS XE and integrates seamlessly with Cisco DNA Center and cloud-based management, enabling centralized policy, analytics, and automation. This platform supports SD-Access, scalable segmentation, and simplified operations for hybrid environments that blend on-premises and cloud resources.
  • Reliability, scalability, and energy efficiency: Built to operate in demanding enterprise environments with resilient power and cooling options, stackability with other Catalyst 9300 switches, and energy-efficient hardware features to lower total cost of ownership while maintaining high performance and uptime.

Technical Details of Cisco Catalyst C9300L-48UXG-4X Ethernet Switch

  • Ports and uplinks: 48 x 1-Gigabit Ethernet access ports (PoE/PoE+ capable where supported) plus 4 x 10-Gigabit uplink ports for high-speed connectivity to distribution and core layers.
  • Performance and throughput: High-performance, non-blocking switching architecture designed to deliver consistent, low-latency forwarding for voice, video, and data traffic; optimized for dense campus deployments and distributed enterprise networks.
  • Security features: Integrated security features including network access control, MACsec (where available), 802.1X authentication, DHCP snooping, dynamic ARP inspection, and ACL-based traffic filtering to protect edge-to-core traffic.
  • Management and automation: Cisco IOS XE operating system with support for Cisco DNA Center, intent-based networking, and modern automation frameworks to simplify provisioning, policy enforcement, and monitoring across multi-site networks.
  • Power and PoE capabilities: Power over Ethernet (PoE/PoE+) supported on eligible ports, enabling flexible deployment of IP phones, cameras, and other powered devices; power budget and exact PoE capabilities depend on the specific hardware configuration and firmware.
  • Form factor and deployment: Fixed-configuration switch suitable for rack-mount installations in data centers or network closets; designed for stackable deployments with other Catalyst 9300 series switches to grow capacity without complex re-cabling.
  • Software and feature set: Advanced QoS, policy-based routing, multicast management, and security enforcement features tuned for enterprise networks, with ongoing software updates to stay aligned with evolving threat landscapes and networking standards.

how to install Cisco Catalyst C9300L-48UXG-4X Ethernet Switch

Step 1: Plan and prepare – Determine whether you will rack-mount or place the switch in a suitable equipment enclosure. Verify your site has adequate power delivery, cooling, and cable management. Gather console access tools and documentation for initial configuration.

Step 2: Physical setup – Install the switch in the rack or designated equipment cabinet. Connect the 10-Gigabit uplinks to your distribution or core network as planned. Route power cables, ensuring proper strain relief and labeling for future maintenance. Confirm all fans and ventilation are unobstructed to maintain ideal operating temperatures.

Step 3: Initial connectivity – Connect a laptop or management station to a management port or an accessible VLAN. Establish a console or SSH session to the switch’s management interface. Ensure the device is reachable on the network and time-synced for accurate logging and monitoring.

Step 4: Basic configuration – Apply initial security and access policies, configure management IP addresses, enable essential services, and set up basic VLANs and ports. If you are integrating with Cisco DNA Center or a centralized management solution, prepare to push baseline configurations and policy templates through your chosen management platform.

Step 5: Policy and security hardening – Implement 802.1X authentication, access control lists, DHCP snooping, and dynamic ARP inspection to protect network access at the edge. Configure QoS profiles for voice, video, and critical application traffic to ensure quality of service across campuses or branch offices.

Step 6: PoE planning and testing – If your deployment includes PoE devices, verify the power budget, enable PoE on needed ports, and test device startup sequences. Ensure devices receive adequate power without tripping the power budget, and monitor consumption via the management platform.

Step 7: Verification and monitoring – Validate connectivity from endpoints to core resources, test uplink performance, and confirm that security features operate as intended. Set up ongoing monitoring through your management platform to track utilization, errors, and potential security incidents.

Step 8: Documentation and backup – Document the final configuration, port assignments, VLANs, and security policies. Save a configuration backup and establish a routine for software updates to keep the switch protected against newly discovered threats and vulnerabilities.

Frequently asked questions

  • What is the Cisco Catalyst C9300L-48UXG-4X best used for? It is designed for enterprise campus networks requiring robust access switching, reliable uplinks, strong security, and seamless integration with cloud- and SD-Access-based management frameworks.
  • Does the C9300L-48UXG-4X support PoE? Yes, the model supports PoE/PoE+ on eligible ports to power IP phones, cameras, wireless access points, and other compatible devices. Exact power budget depends on the full hardware configuration and firmware.
  • How does it integrate with Cisco DNA Center? The Cisco IOS XE operating system enables streamlined management, policy automation, and network analytics when used with Cisco DNA Center, helping to simplify day-to-day operations and accelerate policy deployment across sites.
  • Is this switch stackable? Yes, it is designed for stacking with other Catalyst 9300 family members, enabling scalable growth and simplified management in a multi-switch deployment.
  • What security features are included? The switch offers features such as 802.1X authentication, MACsec (where available), DHCP snooping, dynamic ARP inspection, and ACL-based controls to protect edge-to-core traffic and prevent unauthorized access.
  • What environments is it ideal for? It is well-suited for enterprise campuses, branch offices, labs, and large workgroups requiring reliable, scalable, and secure switching with strong IoT and mobility support.
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cindy
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Perfect for cracked heals ♥️
Color: Cheetah, Size: Regular, Color: Cheetah, Size: Regular
These are thick not cheaply made, has a nice texture inside the heal area which I love. I wear them at night after I apply Aquaphor to my heels & while sleeping they are very comfortable. I slipped these guys on & my heels are healing so much faster no more cracked heels for me. 😃 I highly recommend them.
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Korine
Lowell, US
★★★★★ 4
These socks have saved my heels!
Color: Fuzzy Slate Gray, Size: Regular
I really love these socks and how they help my heels to feel. I tend to get large cracks on my heels, and wearing these while I sleep during the summer has saved me a lot of pain. One thing this has disappointed me a bit has been some unraveling of the threads around the top and bottom edges. Doesn't seem to matter how I trim them, the next morning when I wake up there is another hanging thread. Maybe it was just a glitch in the finishing of the batch of socks that I received. I would give them a second chance...this certainly isn't a deal breaker.
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Reviewed in the United States on February 9, 2026
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Stella Rosa
Battle Creek, US
★★★★★ 5
They work!
Color: Fuzzy Blue, Size: Regular
The ZenToes Moisturizing Fuzzy Sleep Socks have been a wonderful addition to my nightly self-care routine. Infused with Vitamin E, olive oil, and jojoba seed oil, these socks are designed to soften and hydrate dry, cracked heels, offering both comfort and skincare benefits. The regular size in blue fits perfectly and adds a soothing touch to my bedtime. One of the features I appreciate most is the intense moisturization these socks provide. The infusion of Vitamin E, olive oil, and jojoba seed oil delivers deep hydration to my feet, effectively softening and healing dry, cracked heels. After just a few nights of wearing these socks, I noticed a significant improvement in the texture and smoothness of my skin. My feet feel much softer and more comfortable, which is a relief after long days on my feet. The fuzzy, cozy design of the socks is another standout feature. They are incredibly soft and comfortable, providing a warm and snug fit that’s perfect for sleep. The plush material feels luxurious against the skin, making it a pleasure to wear them overnight. This added comfort enhances the overall experience, making it easier to stick to a nightly moisturizing routine. The design is practical and thoughtful. The socks fit snugly without being too tight, ensuring they stay in place throughout the night. The regular size is perfect for my feet, and they accommodate a range of foot sizes comfortably. The blue color adds a touch of style and fun, making the socks both functional and visually appealing. The socks are easy to care for, which is a significant advantage. They can be hand-washed or machine-washed on a gentle cycle, and they retain their softness and moisturizing properties even after multiple washes. This durability ensures that the socks continue to provide effective hydration and comfort over time, making them a worthwhile investment for foot care. The moisturizing effect lasts long after I take the socks off in the morning. My feet remain hydrated and smooth throughout the day, reducing the need for additional foot creams or lotions. This lasting effect is a testament to the quality and effectiveness of the ingredients used in the socks. Overall, the ZenToes Moisturizing Fuzzy Sleep Socks have exceeded my expectations. Their combination of deep moisturization, cozy design, practical fit, and easy care makes them an essential addition to any skincare routine. The socks have significantly improved the condition of my feet, providing effective relief for dry, cracked heels and ensuring lasting softness and hydration. I highly recommend these moisturizing socks to anyone looking for a comfortable and effective solution for foot care. They have become an indispensable part of my nightly routine, ensuring that I wake up with softer, healthier feet every day.
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Reviewed in the United States on July 29, 2024
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Char
Phoenix, US
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THESE THINGS SHED BAD!!!!!!!!!
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Channing Motley
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Keeping the crusty heels at bay!
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