SKU: 29420132147

Cisco Catalyst C9300LM-48U-4Y Ethernet Switch

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Description

Cisco Catalyst C9300LM-48U-4Y Ethernet SwitchThe Cisco Catalyst C9300LM 48U 4Y Ethernet Switch sits at the heart of modern enterprise networks, delivering secure, scalable, and resilient access switching as part of the Catalyst 9300 Series within the Cisco Catalyst 9000 family. Engineered for hybrid work environments and omnichannel connectivity, this switch reimagines how teams connect, collaborate, and access resources across campus and branch sites. Built to simplify management while

The Cisco Catalyst C9300LM-48U-4Y Ethernet Switch sits at the heart of modern enterprise networks, delivering secure, scalable, and resilient access switching as part of the Catalyst 9300 Series within the Cisco Catalyst 9000 family. Engineered for hybrid work environments and omnichannel connectivity, this switch reimagines how teams connect, collaborate, and access resources across campus and branch sites. Built to simplify management while elevating security, performance, and reliability, the C9300LM-48U-4Y is the ideal cornerstone for organizations pursuing zero-trust network access, policy-driven segmentation, and a future-ready edge that can grow with your business needs.

  • Unmatched scalability for a growing network. Designed to be stackable within the Catalyst 9300 family, this switch enables seamless growth across campuses and branch offices. Its modular, fan-friendly design supports expansion without disruption, so you can add ports, uplinks, and services as your network requirements evolve, all while maintaining a single management domain and consistent policy enforcement.
  • Secure, policy-driven access at the edge. The C9300LM-48U-4Y is built to enforce granular security across users and devices. With integrated security features, role-based access controls, and advanced threat prevention, it helps you implement segmentation and enforce trust boundaries at the edge, reducing risk and simplifying compliance across your hybrid workforce.
  • Performance and reliability for demanding applications. From bandwidth-intensive video conferencing to cloud-based applications and IoT device connectivity, this switch delivers solid throughput, low latency, and reliable operation. The Catalyst 9300 architecture is engineered for high availability, with features that minimize downtime and maximize user productivity.
  • Optimized management with Cisco IOS XE and DNA readiness. Manageability is streamlined through modern Cisco operating software, centralized analytics, and integration with Cisco DNA Center. Expect simplified deployment, automated policy enforcement, and actionable insights that help you optimize network performance, security, and user experience across the entire campus fabric.
  • Energy-efficient design with long-term value. Engineered with power efficiency in mind, the switch reduces operational costs while delivering robust performance. Its efficient power and cooling characteristics support sustainable networks and lower total cost of ownership while maintaining peak capability for critical business services.

Technical Details of Cisco Catalyst C9300LM-48U-4Y Ethernet Switch

  • Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to install Cisco Catalyst C9300LM-48U-4Y Ethernet Switch

Installing the Cisco Catalyst C9300LM-48U-4Y Ethernet Switch is a structured process designed to minimize downtime and maximize reliability. Follow these guidance points to ensure a smooth deployment in a campus or distribution environment. Always refer to your organization’s change management procedures and Cisco’s official documentation for device-specific instructions and warranty details.

  • Plan and prepare. Review your network design, determine appropriate stacking and uplink configurations, and verify power budget and cooling in the rack location. Confirm physical dimensions, rack space, and cable routing to ensure proper airflow and accessibility for future maintenance. Gather required cables, power supplies, and mounting hardware before unboxing the switch.
  • Mount and physically install. Install the Cisco Catalyst C9300LM-48U-4Y into a standard rack using the included rails or mounting kit. Ensure the chassis is securely fastened and oriented to promote optimal air intake and exhaust. Connect the unit to a power source, and if using redundant PSUs, connect both power supplies and verify they come online without fault indicators.
  • Connect network interfaces and uplinks. Route your edge devices and device uplinks into the appropriate ports. Use the recommended copper or fiber optic cables for the 48 front ports and the 4 uplink ports. Organize cables with proper labeling and cable management accessories to simplify future changes and troubleshooting. If stacking, connect StackWise cables per Cisco guidance to achieve a single management plane across stack members.
  • Initial software and configuration. Access the switch via console or a management IP address and perform a basic inventory check. Update the operating system if needed to the recommended release. Apply baseline security and access policies, enable necessary features (such as QoS, traffic policing, and port security), and configure management access (SSH, SNMP, logging). If you're integrating with Cisco DNA Center, prepare the device for onboarding and policy automation.
  • Verify operation and performance. Validate hardware status with show commands (show version, show inventory, show module), confirm stacking status if applicable, and verify port activity. Run connectivity tests (ping, traceroute) to critical resources and confirm that security policies and VLANs are correctly enforced. Monitor the device for baseline CPU/memory utilization, interface errors, and temperature to ensure healthy operation.
  • Schedule ongoing management and maintenance. Establish a routine for firmware updates, security patches, and configuration backups. Implement continuous monitoring via your preferred network management system, and ensure alerting is configured for critical events. Regularly review performance metrics to plan capacity expansions before service degradation occurs.

Frequently asked questions

  • What environments is the Cisco Catalyst C9300LM-48U-4Y suited for? This switch is designed for enterprise campus access and branch deployments, delivering secure edge connectivity, scalable stacking, and integrated management features that support hybrid work, office IoT, and cloud-access requirements.
  • Can this model be stacked with other Catalyst 9300 switches? Yes. The C9300LM-48U-4Y is designed to work within the Catalyst 9300 stack family, enabling simplified management, consistent policy enforcement, and scalable growth as you add more units to the stack.
  • Does it support PoE or PoE+? PoE capabilities depend on the exact SKU and power budget. Verify the Technical Details or product specifications for PoE support and available power capacity, and plan power provisioning accordingly to support endpoints like VoIP phones, wireless access points, and IP cameras.
  • What management options are available? The switch runs Cisco IOS XE and is compatible with Cisco DNA Center for centralized management, policy automation, and network analytics. You can manage, monitor, and optimize across the fabric from a single pane of glass.
  • What security features are included? The Catalyst 9300 family emphasizes secure access with features such as role-based access control, policy-driven segmentation, and protections designed to enforce trust boundaries at the network edge and protect against evolving threats in hybrid environments.
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SKU: 29420132147

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4.1 ★★★★★
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Brandi Loesch
West Palm Beach, US
★★★★★ 3
The toy is no match for my dogs.
Size: Large (Pack of 1), Color: Pink Snake
The toy itself is well made and the squeaker work well. Unfortunately, it only lasted about 2 weeks before my Treeing Walker Coonhound pup (super chewer) had it shredded. My Plott hound ( heavy chewer) just loved these! She is older and they last longer for her. However she does love to go for the seems first then rips out the squeaker. But she will carry it around for months like that. I think she like the material. I'll probably go back to Walmart for the smaller cheaper ones for now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
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Randy W R
Houston, US
★★★★★ 5
Durable and he loves it! It is Ryker Der Hauswolf approved and I recommend it.
Size: X-Large (Pack of 1), Color: Blue Snake, Size: X-Large (Pack of 1), Color: Blue Snake
Review of Outward Hound Durablez Snake – Squeaky Plush Dog Toy, No Stuffing for Less Mess, Interactive & Tough, 6 Jumbo Squeakers, Puppies & Dogs, X-Large, 40" My best friend brought her 16-month-old German Shepherd up for a visit and I happen to love him to pieces! A few months ago, I bought the smaller version of this same toy snake for him and he LOVED it. Many squeaker toys he has eventually torn up, as puppies and others do. The smaller only has a small tear in the butt-end from playing some minor tug of war with it. This larger version is made just as well and with the same materials. It is very durable, but there are no toys indestructible. The only difference is the length, and it has 6 JUMBO squeakers as opposed to 5 smaller ones. It got here on the day of this post and he has not stopped playing with it! Now if you’re one that squeakers get on your nerves, this is not for you. But, if you’re like me and truly enjoy watching (and hearing) a fur baby having so much fun, then buy this now! The price is very reasonable in my humble opinion. It is Ryker Der Hauswolf approved and I recommend it.
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Reviewed in the United States on April 24, 2026
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Pocketfrog
Alexandria, US
★★★★★ 5
Absolutely one of the best chew toys I've ever bought my dog
Size: Large (Pack of 1), Color: Green Gecko
Absolutely one of the best chew toys I've ever bought my dog. She's a lab-pit mix, about 70 lbs, loves to chew, and is almost pure muscle. There are no half-measures with my dog. When she plays tug of war, she's playing to win. Often, she ends up whipping her entire body back and forth violently to get that thing out of your hands. Playing with her feels like you're pulling against a freight truck. I've never had a plush chew toy last longer than 15-20 minutes. It rips, and suddenly out comes all the stuffing and squeakers. Impossible. I just stopped buying her plush toys altogether, which was such a shame because I know that's her favorite thing ever. But when I saw this on Amazon, I thought I'd give it a try. I wasn't expecting much, nothing is truly invincible. BUT THIS THING IS TOUGH! It's my dog's favorite, she loves the squeakers so much, and so we've played tug of war or keep away nearly every day since I bought it. Yeah, there's a small hole in it now, the fur's a little matted and it doesn't look at pretty as when I bought it, BUT IT STILL LIVES! It's lasted three whole months, which is miracle given my dog's seriously aggressive play style. Squeakers are intact, the black lining has held up, I really can't believe it. I've even given her free reign with it over the past couple of weeks, as I have another one saved for the day this finally dies. Even though she's allowed to take this thing behind the couch and really go at it in a serious chew session, she can't break that black lining. Amazing product.
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Reviewed in the United States on July 13, 2016
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Verified Purchase
Mason Thompson
Grantham, US
★★★★★ 2
Cute? Yes! Durable? Not so much…
Size: Large (Pack of 1), Color: Green Gecko, Size: Large (Pack of 1), Color: Green Gecko
Upon opening this toy I was hopeful that it would last my dog (medium size beagle mix) quite a while. While he enjoyed it, he was able to start ripping it up less than 24 hours after getting it. Now 10 days later, he’s completely destroyed it. He was able to rip open all layers of material, pull them apart, and tear all the squeakers out. While the squeakers are large, they could be a choking hazard for a large dog. Based on the advertised “durability” of this toy and how little time it lasted my dog, I would not purchase it again.
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Reviewed in the United States on February 3, 2026
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Verified Purchase
T. Timms
Battle Creek, US
★★★★★ 4
German Shepard destroy
Size: Medium (Pack of 1), Color: Orange Gecko, Size: Medium (Pack of 1), Color: Orange Gecko
We've been playing with this lizard for a month now and the fabric has been ripped off within first few days but my dog hasn't got to the squeakers yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026

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