Cisco Catalyst 3750 Switches

Shop Cisco Catalyst 3750 and 3750G/E models for reliable Layer 2/Layer 3 access, StackWise scalability, and PoE options. Global shipping, genuine hardware, and expert support from ORM Systems.

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Questions & Answers

What is the Cisco Catalyst 3750 switch?

The Cisco Catalyst 3750 is a fixed-configuration, stackable enterprise switch designed for secure, scalable access at the enterprise network edge.

What stacking technology does the Catalyst 3750 use?

The Catalyst 3750 uses Cisco StackWise technology, which provides up to 32 Gbps of stack bandwidth and allows up to nine switches to operate as a single logical unit.

How many ports are available on Catalyst 3750 switches?

Cisco Catalyst 3750 switches come in 24- or 48-port variants with optional PoE/PoE+ support and Gigabit Ethernet or SFP fiber uplinks.

What is the maximum PoE budget on a 3750 switch?

A Catalyst 3750P delivers up to 375 watts of PoE power across all ports, while the 3750G-P offers 480 watts, supporting IEEE 802.3af/at devices.

What performance can I expect from a Catalyst 3750?

Catalyst 3750 switches provide up to 32-Gbps StackWise throughput, 24-Mpps forwarding rate, and up to 160-Gbps switching capacity per switch.

Which Cisco IOS features are supported on the 3750?

Catalyst 3750 supports Cisco IP Base, IP Services, and Advanced IP Services images, offering enterprise routing, multicast, QoS, and security features.

How does QoS work on the Catalyst 3750?

The Catalyst 3750 offers four hardware queues per port, strict priority, weighted random early detection (WRED), and custom policy maps for traffic prioritization.

What security features are built into the 3750 series?

Cisco Catalyst 3750 includes 802.1X, Dynamic ARP Inspection, IP Source Guard, port security, RADIUS/TACACS+ authentication, and control plane protection.

Can I perform Layer 3 routing on the Catalyst 3750?

Yes. With the IP Services image, the 3750 supports static routing, RIP, OSPF, EIGRP stub, PIM-SM multicast, and VRF-lite for segmentation.

How energy efficient is the Catalyst 3750?

Catalyst 3750 features EnergyWise for power management, Cisco Energy Efficient Ethernet, and low-power fans, reducing operational costs and carbon footprint.

What redundancy options are available on the 3750?

Catalyst 3750 supports dual redundant power supplies, hot-swappable fans, and Stateful Switchover (SSO) in StackWise for high availability.

What are typical use cases for the Catalyst 3750?

Ideal for enterprise access, wiring closets, branch offices, and converged voice/video deployments requiring PoE, stacking, and advanced security.

How do I upgrade the IOS on a Catalyst 3750?

Use Cisco’s Software Upgrade Manager (SUM) or CLI commands (archive download-sw) over TFTP/FTP/USB to install and activate the new IOS image.

What management interfaces does the 3750 offer?

Management options include a console port, USB micro-B port, out-of-band Ethernet, Cisco Prime Infrastructure, and CLI/WEB GUI via HTTPs.

What is the warranty and support for Catalyst 3750?

Cisco offers a limited lifetime hardware warranty, one-year CISCO SMARTnet Technical Support, and optional software maintenance contracts.

What are the physical dimensions of a Catalyst 3750?

A Catalyst 3750 is 1.75” (1RU) high, 17.5” deep, 17.5” wide, and weighs approximately 10 lbs (4.5 kg) depending on the model.

Why Buy Cisco Catalyst 3750 from ORM Systems

ORM Systems supplies genuine Cisco networking hardware with expert guidance and fast international delivery. Every Catalyst 3750 undergoes rigorous testing to ensure performance, compatibility, and long-term reliability.

Certified & Authentic: 100% genuine Cisco with warranty and optional Cisco SmartNet Support eligibility guidance.
Deployment Expertise: Cisco-certified engineers help you select the right 3750, 3750G, or 3750E variant for your topology and power budget.
Value Options: New and refurbished inventory to hit performance targets and timelines without inflating costs.
Global Fulfilment: Priority, insured shipping to North America, Europe, Middle East, and APAC.
Growth Path: Plan refresh or migration alongside Catalyst 9200 and Catalyst 9300 series.

Compare Cisco Catalyst 3750 Models

Model	Ports	PoE	Layer	Uplinks	Stacking	Form Factor	Availability
WS-C3750-24TS-S	24 × 10/100 FE	No	L3	2 × SFP	StackWise	Rack-mount	In Stock / Quote
WS-C3750-48PS-S	48 × 10/100 FE	PoE	L3	4 × SFP	StackWise	Rack-mount	In Stock / Quote
WS-C3750G-24PS-S	24 × 10/100/1000	PoE	L3	4 × SFP	StackWise	Rack-mount	In Stock / Quote
WS-C3750G-48TS-S	48 × 10/100/1000	No	L3	4 × SFP	StackWise	Rack-mount	In Stock / Quote
WS-C3750E-24TD-S	24 × 10/100/1000	No	L3	2 × 10G X2	StackWise Plus	Rack-mount	In Stock / Quote

Need a different configuration? Browse Cisco Switches, compare access alternatives like Catalyst 2960, or plan an upgrade to Catalyst 9200 and Catalyst 9300. For aggregation and data-center edge, see Cisco Nexus 9000 Switches.

Deployment Scenarios for Cisco Catalyst 3750

The Catalyst 3750 Series provides dependable switching with StackWise scalability and flexible uplink options—ideal for campus access, branch networks, and converged wired/wireless deployments.

Campus & Enterprise Access: Segment users with VLANs, enforce QoS, and scale ports via StackWise. Consider next-gen access with Catalyst 9300.
Branch & Retail: PoE models power IP phones, cameras, and APs; stacking simplifies expansion. For quieter/lower-power access, see Cisco Small Business Switches.
Gigabit Refresh: 3750G/E variants add GbE and higher-speed uplinks; plan phased migration to Catalyst 9200 where automation/security is needed.
Distribution / Edge: Use SFP or 10G X2 uplinks for resilient aggregation; integrate with Nexus 9000 at the data-center edge.
Uptime & Lifecycle: Pair hardware with Cisco SmartNet for TAC assistance and replacement options (eligibility varies by SKU).

Frequently Asked Questions About Cisco Catalyst 3750

1. What’s the difference between Catalyst 3750, 3750G, and 3750E?

3750 offers FE access; 3750G adds Gigabit; 3750E adds higher performance and 10G uplink options with StackWise Plus.

2. Do Catalyst 3750 switches support PoE?

Yes. “P/PS/F” variants provide PoE/PoE+ to power IP phones, cameras, and wireless access points.

3. Can I stack multiple 3750 switches?

Yes. StackWise (and StackWise Plus on 3750E) enables resilient stacking for simplified management and scale.

4. Are 3750 switches eligible for Cisco SmartNet?

Eligibility varies by model and lifecycle status. Contact ORM Systems or review Cisco SmartNet guidance for your specific SKU.

5. Where can I buy Cisco Catalyst 3750 switches?

Purchase directly from ORM Systems with global delivery, genuine certification, and expert support.

Cisco Catalyst 3750 Switches

WS-C3750X-24T-L (Catalyst 3750X 24 Port Data LAN Base)

WS-C3750X-48P-S (Catalyst 3750X 48 Port PoE IP Base )

WS-C3750X-24P-E (Catalyst 3750X 24 Port PoE IP Services )

WS-C3750X-24S-S (Catalyst 3750X 24 Port GE SFP IP Base)

WS-C3750X-48T-E (Catalyst 3750X 48 Port Data IP Services )

WS-C3750X-48PF-E (CATALYST 3750X 48PORT GBE FULL POE IP SVCS)

WS-C3750X-24P-L (Catalyst 3750X 24 Port PoE LAN Base )

WS-C3750X-24T-S (Catalyst 3750X 24 Port Data IP Base)

WS-C3750X-48P-E (Catalyst 3750X 48 Port PoE IP Services )

WS-C3750X-48PF-L (TAA CATALYST 3750X 48PORT FULL POE LAN BASE)

WS-C3750X-24P-S (TAA CATALYST 3750-X 24PORT POE IP BASE)

WS-C3750X-48PF-S (Catalyst 3750X 48 Port Full PoE IP Base )

WS-C3750X-48T-L (Catalyst 3750X 48 Port Data LAN Base )

WS-C3750X-24T-E (Catalyst 3750X 24 Port Data IP Services )

WS-C3750X-48P-L (Catalyst 3750X 48 Port PoE LAN Base )

WS-C3750X-48T-S (TAA CATALYST 3750-X 48PORT DATA IP BASE)

WS-C3750X-12S-E (Catalyst 3750X 12 Port GE SFP IP Services )

WS-C3750X-12S-S (Catalyst 3750X 12 Port GE SFP IP Base)

WS-C3750X-24S-E (TAA CAT3750-X 24PORT GBE SFP IP SVCS)

WS-C3750X-24U-L (Catalyst 3750X 24 Port UPOE LAN Base )