Cisco Catalyst WS-C3750X-24P-S Full English Product Description

1. Short Sales Title

2. Official Product Overview

Model Suffix Breakdown

• 3750X: Enhanced 3750 Gigabit stackable multilayer platform, StackWise Plus 32Gbps stacking bus, hardware MACsec, modular power/fan, StackPower power pooling
• 24: Twenty-four front-panel 10/100/1000BASE-T Gigabit copper downlink ports
• P: IEEE 802.3at PoE+ support (30W maximum per port)
• S: IP Base baseline enterprise multilayer IOS firmware (SMI Standard Multilayer Image)Cisco

Three IOS Feature Set Differentiation

1. LAN Base (WS-C3750X-24P-L): Full Layer 2 only, static inter-VLAN routing limited, max 255 VLANs, StackPower disabled, no dynamic routing protocolsCisco.
2. IP Base (WS-C3750X-24P-S): All LAN Base features + OSPF, EIGRP stub, PIM stub, HSRP/VRRP gateway redundancy, full IPv6 stub routing, 1000 VLANs, native StackPower support, hardware MACsec, routed access capabilityCisco.
3. IP Services: Full advanced routing suite (multi-area OSPF, full EIGRP, BGP inter-domain routing, full PIM sparse-dense multicast), full IPv6 dynamic routing (OSPFv3/EIGRPv6/BGPv6), policy-based routing (PBR), WCCP web cache redirection, DVMRP multicast tunnelingCisco.

Stacking Architecture

• StackWise Plus 32Gbps full-duplex stacking bus: Up to 9 physical switches unified as one single logical stack with a single global IP management plane, distributed wire-speed forwarding, cross-stack EtherChannel, cross-stack RSPAN port mirroring, cross-stack HSRP gateway redundancy, cross-stack multicast replication. Separate StackWise Plus stacking cables sold as optional accessories.
• StackPower: Built-in power pooling across stack members for power load balancing and stack-wide power redundancy; fully functional natively under IP Base firmware (no upgrade required)Cisco. Supports up to four power stack members in one power domain.

Power & Port Hardware Design

3. Port & Hardware Specifications

• Downlink Ports: 24 × 10/100/1000BASE-T RJ45 auto-sensing Gigabit copper, auto MDI-X, full-duplex, IEEE 802.3at PoE+ (30W per port max)
• Rear Uplink Slot: 1 modular uplink bay (user-selectable 4×SFP GE or 2×SFP+ 10GE transceivers sold separately)
• Local Management Interfaces: RJ45 serial console, USB Type-B console, USB Type-A flash storage, dedicated out-of-band 10/100 Fast Ethernet management port
• Stack Interfaces: Dual StackWise Plus 32Gbps stacking connectors + dual StackPower power stacking ports
• Stacking Limitation: StackPower fully active under IP Base firmware; no StackPower on LAN Base
• Power Supply: Fixed single 715W AC auto-ranging modular unit; optional second redundant AC power supply for N+1 redundancy; input 100–240V AC 50/60Hz; total PoE power budget 435W; max total power draw 715W under full PoE load
• Front Panel LED Indicators: Per-port link/activity, speed, PoE status; global system fault LED, power status indicator
• Mounting Options: Standard 19-inch 1RU rack-mount brackets included; wall-mount adapter optional, desktop rubber anti-slip feet supplied
• Thermal Design: Variable-speed redundant hot-swappable fan tray; operating temperature 0°C ~ +45°C, storage -25°C ~ +70°C, relative humidity 10–85% non-condensing
• Safety & EMI Certifications: CE, FCC Class A, UL listed, VCCI Class A, RoHS compliant, NEBS Level 3 certified
• Physical Dimensions: 445 mm (W) × 44.5 mm (H, 1RU) × 460 mm (D) / 17.5 × 1.75 × 18.0 inches
• Unit Weight: 4.8 kg (10.6 lbs) with single 715W power supply
• Memory: 256 MB DRAM, 128 MB onboard flash memory for IOS universal image, startup-config / running-config files
• Switching Fabric: 32 Gbps full-duplex non-blocking stack-wide capacity
• Forwarding Rate: 65.5 Mpps wire-speed Layer 2 / baseline Layer 3 forwarding for 64-byte packets
• MAC Address Table: Up to 12,000 unicast MAC entries
• VLAN Capacity: IP Base limit 1000 active IEEE 802.1Q tagged VLANs (VLAN ID range 1–4094)
• Multicast Groups: 256 IPv4 CGMP snooping groups + PIM stub multicast routing support
• Jumbo Frame Support: Up to 9000 bytes on all SFP/SFP+ uplink ports and Gigabit copper downlinks
• MTBF: 167,198 hours under standard office operating conditions
• Warranty: Cisco Standard Limited Lifetime Hardware Warranty (LLW): Next-business-day advance hardware replacement, 90-day complimentary Cisco TAC technical support

4. Layer 2 + IP Base Baseline Layer 3 IOS Full Feature Set

Core Layer 2 Switching & QoS Core Functions

• Up to 1000 IEEE 802.1Q tagged VLANs, VTPv2 dynamic VLAN synchronization, MSTP 802.1s multiple spanning tree
• Dual trunk encapsulation: Cisco proprietary ISL trunk + IEEE 802.1Q standard trunk on all uplink ports
• IEEE 802.1p CoS / DSCP multilayer QoS, 4 egress priority queues per port; Auto-QoS template dedicated for VoIP voice traffic prioritization
• Gigabit EtherChannel link aggregation (LACP / static mode), up to 8 bundled ports for uplink redundancy and cross-stack load balancing
• Rapid STP (802.1w), UplinkFast, BackboneFast, BPDU Guard, Root Guard to eliminate Layer 2 switching loops
• Port security: Static MAC assignment, sticky dynamic MAC learning, port shutdown violation action
• Per-port broadcast/multicast/unicast storm control to mitigate flooding DoS attacks
• Local SPAN + cross-stack RSPAN port mirroring supported via StackWise Plus stacking
• CGMP (Cisco Group Management Protocol) to suppress redundant multicast flooding to access ports
• Voice VLAN dedicated VoIP separation, Auto QoS automatic voice traffic marking
• Cisco EnergyWise power management to reduce idle endpoint power consumption
• RMON Groups 1,2,3,9 real-time traffic statistics monitoring
• NTP time synchronization, CDP Cisco Discovery Protocol for end-to-end network device visibility
• Embedded web-based Device Manager, Cisco Network Assistant zero-touch stack-wide deployment
• Full IPv6 dual-stack Layer 2 switching: IPv6 Snooping, IPv6 ACL, IPv6 QoS marking, IPv6 neighbor discovery
• Hardware MACsec wire-speed encryption on SFP+ 10G uplink ports (requires compatible MACsec-capable SFP+ transceivers)
• Flexible NetFlow Lite for basic traffic visibility

Exclusive IP Base Baseline Layer 3 Routing Suite

• Hardware wire-speed IPv4 inter-VLAN routing via SVI switched virtual interfaces
• Static default route, static prefix routing, RIP v1 / RIP v2 interior gateway protocols
• Limited interior gateway support: EIGRP stub routing only (no full multi-area EIGRP)
• Multicast support: PIM stub multicast routing (no full PIM sparse-dense mode)
• First-hop redundancy protocols: HSRP, VRRP for IPv4 gateway redundancy, cross-stack HSRP fully supported
• Basic Layer 3 ingress ACL for routed subnet traffic filtering
• Equal-cost multi-path (ECMP) static route load balancing across multiple uplink paths
• Limited IPv6 stub dynamic routing (OSPFv3/EIGRPv6 stub mode)

IP Base Routing Limitations vs IP Services

• No full multi-area OSPF, full EIGRP, BGP inter-domain core routing
• No full PIM sparse / dense / sparse-dense multicast routing
• No policy-based routing (PBR), no WCCP web cache redirection, no DVMRP multicast tunneling
• No fallback bridging for non-IP inter-VLAN traffic

Enterprise Security Feature Suite

• IEEE 802.1X port-based NAC authentication with RADIUS/TACACS+ AAA remote access control
• SSH v2 encrypted CLI management; SNMPv3 secure monitoring (fallback unencrypted Telnet/SNMPv1/v2c available)
• Combined Layer 2 + Layer 3 ingress access control lists for granular inbound traffic filtering
• Time-based ACL policy scheduling for restricted network access hours
• Private VLAN edge isolation to separate host communication within the same broadcast domain
• DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard to block IP/MAC spoofing attacks
• Encrypted startup-config, password encryption for local administrative credentials

5. Full Management Interfaces

1. Local Out-of-Band: RJ45 serial console port for offline configuration without network connectivity
2. Secure Remote CLI: SSH v2 encrypted command-line access; fallback unencrypted Telnet
3. Embedded Web GUI: Lightweight browser-based graphical manager for port, VLAN, QoS and uplink configuration
4. Monitoring Protocols: SNMP v1/v2c/v3, RMON Groups 1–9, NTP time synchronization, CDP Cisco Discovery Protocol
5. Auxiliary Interfaces: USB Type-A flash storage port for IOS image / config backup, dedicated out-of-band 10/100 Fast Ethernet management port
6. Stack Management: Single unified IP management plane for entire StackWise Plus stack, zero-touch stack provisioning via Cisco Network Assistant

6. Integrated Security Mitigation Suite

• Multi-level privilege CLI access with encrypted local user password storage
• IEEE 802.1X port authentication to validate endpoints before granting LAN access
• Port MAC address security to restrict unauthorized host connection
• STP BPDU guard and root guard to block rogue switches from altering spanning-tree topology
• Broadcast/multicast storm control to suppress flooding-based denial-of-service threats
• Private VLAN edge to isolate peer hosts on same access VLAN
• DHCP Snooping + DAI ARP Inspection + IP Source Guard to eliminate address spoofing attacks
• SSHv2 and SNMPv3 encryption to secure remote switch management traffic over the LAN
• Manual permanent shutdown of unused ports to reduce unauthorized network attack vectors
• Dedicated management VLAN isolation to segregate switch control plane traffic from end-user data traffic
• PoE overload protection with per-port PoE priority scheduling for critical voice/Wi-Fi devices

7. Typical Deployment Scenarios

1. Small/Medium Enterprise Stackable Converged Voice Access Switch: 24 PoE+ Gigabit copper ports power office IP phones and single-band enterprise Wi-Fi APs; quad SFP Gigabit uplinks build redundant fiber trunk links to building core multilayer aggregation switches. IP Base baseline static/RIP/HSRP inter-VLAN routing eliminates dedicated small core router hardware for simple multi-VLAN campus segmentation, unified StackWise Plus stacking enables linear access-layer capacity expansion as office headcount grows.
2. Small Multi-Building K-12 Campus Converged Network: PoE Gigabit ports link classroom VoIP stacks and student wireless access points; four SFP Gigabit uplinks connect to central campus backbone for low-bandwidth teaching traffic. MSTP prevents broadcast loop failures across geographic VLAN domains, flat multi-subnet baseline routing meets entry-level campus requirements without expensive full IP Services license investment.
3. Medium Regional Branch Wiring Closet Main Stackable Multilayer Switch: Universal PoE Gigabit access ports connect branch office desktop stacks and surveillance data aggregators; long-distance single-mode fiber SFP uplink links to corporate headquarters data center. IP Base baseline EIGRP stub + HSRP gateway redundancy satisfies basic enterprise branch multi-VLAN routing compliance without external dedicated router hardware.
4. Small Distributed Retail Store Access Switch: PoE ports power store POS VoIP phones and in-store Wi-Fi APs; four Gigabit SFP uplinks deliver trunk failover resilience to retail central data center, per-port PoE priority ensures voice traffic survives power budget shortages.
5. Legacy Distributed Flat-Gigabit PoE Access Network Refresh Hardware: Drop-in stackable IP Base upgrade replacement for aging LAN Base WS-C3750X-24P-L switches, fully compatible with existing StackWise Plus stacking infrastructure, unlocks native StackPower power pooling and baseline dynamic Layer 3 routing capability for gradual migration to modern Catalyst 9300 unified access platforms without intermediate core router upgrades.

8. Standard Package Contents

Short Commercial Version (For Quotation & Product Catalog)