Cisco Catalyst 3750 WS-C3750G-48TS-E Cisco Catalyst switch

Brand: Cisco | Category: Network Switches

SKU: CSC-WS-C3750G-48TS-E | Part #: WS-C3750G-48TS-E | MPN: WS-C3750G-48TS-E

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The WS-C3750G-48TS-E is a managed Layer 3 stackable switch built around proven enterprise architecture. Network engineers and data centre operations teams have relied on the Catalyst 3750 series since its introduction because it handles the boundary between access and distribution layers without the complexity of larger platforms. This particular model delivers 48 gigabit copper ports plus four SFP uplink slots in a single rack unit, making it a natural fit for mid-scale deployments where you need to consolidate switching infrastructure without oversizing the investment.

Power delivery in always-on environments demands attention, and this switch uses an internal AC power supply sized for sustained operation across its full 48-port active load. Unlike modular chassis designs, the WS-C3750G-48TS-E eliminates single points of failure at the power entry point by engineering redundancy into the supply itself—a detail that matters when this unit sits in a production facility serving hundreds of endpoints. Network teams appreciate that the Cisco IOS command-line interface runs on a reliable 128 MB DRAM footprint with 32 MB flash, enough headroom for configuration complexity without requiring frequent memory upgrades.

Stacking capability defines the 3750G's operational advantage. Using Cisco StackWise technology, you can bind up to nine WS-C3750G-48TS-E units together through dedicated 32 Gbps stack interconnect ports, creating a logical single switch with 432 total copper ports and 36 SFP uplink slots—all managed as one device across a unified control plane. This matters profoundly for network architects designing growing enterprises: you add switches incrementally without restructuring subnets or VLAN assignments. The combined forwarding bandwidth of 32 Gbps per unit scales seamlessly across the stack, delivering an aggregate 23.8 million packets per second for the entire fabric. In real deployments, stacking reduces operational overhead because you configure one IP address for the entire stack instead of managing individual device credentials across multiple units.

Cisco built this platform with IP Services software imaging, which unlocks full Layer 3 routing protocols including OSPF, EIGRP, BGP, IS-IS, and policy-based routing. This means you can terminate routing domains directly on access switches rather than forcing all inter-VLAN traffic back to a distant core device. The WS-C3750G-48TS-E supports up to 1005 active VLANs simultaneously—more than enough for large multi-tenant or departmental segmentation scenarios—and includes hardware-accelerated quality of service with four egress queues per port, DSCP classification, and CoS prioritization. Security features align with enterprise policy requirements: 802.1X port-based authentication, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, and stateless ACLs all function at wire speed without performance degradation. IPv6 support is native, so you can transition toward dual-stack networking without hardware replacement.

A network engineer deploying this switch into a core or near-core role benefits from SNMP v1/v2c/v3 telemetry, RMON monitoring, and a web-based device manager for visibility and troubleshooting. The Catalyst 3750 earned its reputation by operating reliably across 0 to 45 degrees Celsius, which covers most data centre and enterprise closet environments. Organizations that need to expand access-layer capacity without introducing new management domains often standardize on this model across multiple floors or sites, and the consistency pays dividends when you're training operations staff or automating deployment scripts.

Interface and Connectivity Architecture

• 48 × 10/100/1000BASE-T copper ports with per-port PoE capability (when powered modules are present) for mixed endpoint environments
• 4 × SFP Gigabit uplink slots supporting long-reach fiber connections to distribution or core infrastructure
• Cisco StackWise interconnect: 32 Gbps dedicated stack bandwidth, supports up to 9 stacked units for 432-port consolidated switching
• Managed Layer 3 platform with native routing (OSPF, EIGRP, BGP, IS-IS) eliminating the need for external routers at access boundaries
• Full VLAN support with 1005 active VLANs and 4094 total VLAN IDs for granular network segmentation and multi-tenant isolation
• Hardware-accelerated QoS with 4 egress queues per port, DSCP and CoS marking for voice, video, and critical application prioritization
• Port security and 802.1X authentication combined with DHCP Snooping, Dynamic ARP Inspection, and IP Source Guard for defense-in-depth access control

Omnixon Global maintains active inventory of Cisco Catalyst switching platforms across our Dubai headquarters and regional logistics hubs. We supply data centre operators, AI infrastructure teams, and enterprise network engineers across the GCC, Asia-Pacific, and Europe with tested equipment backed by local technical support. If your organization is evaluating the WS-C3750G-48TS-E for access, aggregation, or near-core deployment, contact our team for a formal quotation and technical discussion. We handle configuration consultation, bulk licensing, and expedited shipment to meet your project timeline.