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CX204Y-24GT-M-S Access Switch-1
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24x 2.5G RJ45 PoE+ L3 Access Switch, 4x25Gb SFP28 Uplinks, Enterprise SONiC Ready - Image 3
48 port 1G RJ45 Access Switch Panel

CX204Y-24MT-M-SPW4

24×2.5 G RJ45 L3 PoE++ Access Switch, 4×25 G SFP28 Uplinks, Enterprise SONiC Ready

  • 24 Ports 2.5G RJ45 with 25G uplinks
  • Enterprise SONiC Distribution preload
  • Supports VXLAN, BGP-EVPN, GRE tunnels, and VRF
  • Optional PTP for sub-20ns precision clock synchronization
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24×2.5 G RJ45 L3 POE+ Switch, 4×25 G SFP28 Uplinks, Enterprise SONiC Ready, Marvell AlleyCat 5X

he Asterfusion CX204Y-24MT-M-SPW4 is a next-generation enterprise-grade PoE+ access switch, designed for high-performance campus deployments. Featuring 24×2.5GE/1GE RJ45 downlinks and 4×25G/10G SFP28 uplinks, it ensures seamless connectivity for modern enterprises.

With a 740W PoE+ power budget, this switch can supply reliable power to access points, IP phones, cameras, and other IoT devices. It supports PoE priority scheduling to safeguard critical endpoints and scheduled PoE for automated energy efficiency.

Powered by AsterNOS (Enterprise SONiC), the CX204Y-24MT-M-SPW4 delivers full Layer 2/3 networking capabilities, advanced VXLAN & BGP-EVPN virtualization, and dual-stack IPv4/IPv6 support. It also integrates PTP/SyncE high-precision clock synchronization for mission-critical applications like broadcast, automation, and 5G access.

Comprehensive security is built in, with DHCP Snooping, Dynamic ARP Inspection, ND Snooping, ACL filtering, and 802.1X authentication. Flexible management options—CLI, SNMP, Syslog, ZTP, USB backup, and cluster configuration—simplify operations at scale.

Specifications

Network Interface24 x 2.5G/1G RJ45 PoE+ (1 to 8 PoE++), 4 x 25G/10G SFP28Managed Interface
1 x USB2.0, 1 x Console RJ45, 1 x MGMT RJ45
Chip ModelMarvell Prestera Alley Cat5XPoE Power Budget740W (max.)
PoE Power Output Per PortPoE++: 60W; PoE+: 30WPoE StandardIEEE 802.3af / IEEE 802.3at / IEEE 802.3bt
AirflowSide to SideInput Voltage Range100 - 240V AC
Ambient Operating Temperature0 - 45 ℃Max. Power Consumption76W(without PoE)
Ambient Relative Humidity5% - 90% (non-condensing)Power Supply880W
Dimension (HxWxD)44 x 440 x 470mmPower Module1 Built-in Power
Weight4.3KGsFan Modules3 Built-in Fans

Optimized Software for Advanced Workloads-AsterNOS

AsterNOS is the pre-installed network operating system on Asterfusion’s CX-M Series campus switches. Built on SONiC, but enhanced far beyond the open-source version, AsterNOS delivers a rich set of enterprise-grade features tailored for modern campus and enterprise office environments. It supports comprehensive Layer 2 and Layer 3 protocols, advanced routing, and virtualization capabilities such as VXLAN and BGP-EVPN—along with powerful extensions like MPLS and MacSec for more specialized use cases. Smart, secure, and simple to manage, AsterNOS is purpose-built to power high-performance, always-on campus networks with ease and confidence.
Feature Lists ↓

Optimized Software for Advanced Workloads – AsterNOS

AsterNOS is the pre-installed network operating system on Asterfusion’s CX-M Series campus switches. Built on SONiC, but enhanced far beyond the open-source version, AsterNOS delivers a rich set of enterprise-grade features tailored for modern campus and enterprise office environments. It supports comprehensive Layer 2 and Layer 3 protocols, advanced routing, and virtualization capabilities such as VXLAN and BGP-EVPN—along with powerful extensions like MPLS and MacSec for more specialized use cases. Smart, secure, and simple to manage, AsterNOS is purpose-built to power high-performance, always-on campus networks with ease and confidence.
Feature Lists ↓

Software Features

layer-2-features-icon

Layer 2 Features

  • 4K VLANs / Voice VLAN
  • Multiple Spanning Tree Protocol
  • QinQ
  • Link Aggregation Control Protocol
  • MLAG / VLAN Trunking
  • Link Layer Discovery Protocol (LLDP)
  • LLDP Enhancements for PoE
  • Port Isolation
  • IGMP Snooping
  • BPDU Guard, BPDU Filter
  • Loopback Detection
layer-3-features-icon

Layer 3 Features

  • IPv4/v6 Dual Stack
  • Policy Based Routing
  • Resilient ECMP
  • ARP-to-Host
  • VRF
  • Bi-Directional Forwarding Detection (BFD)
  • IGMP v2/v3
  • Route Map
  • VRRP
  • GRE
  • Routing Protocols: OSPF v2/v3, BGP, MP-BGP

security-features-icon

Management and Monitoring

  • Asteria Campus Controller
  • Industry Standard CLI
  • Zero Touch Provisioning (ZTP)
  • SNMP v1/v2/v3
  • sFlow
  • Port Mirroring
  • Syslog
  • Log Management
  • PTP IEEE 1588v2 (TC and BC)
  • Containerized Custom Tools
  • BGP/BFD Operational Status

Quality Certifications

ISO-9001-SGS
ISO-14001-SGS
ISO-45001-SGS
ISO-IEC-27001-SGS
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Features

Intelligent PoE++  Power Delivery for Next-Gen Networks
Compliant with IEEE 802.3af/at/bt, this switch auto-detects and supplies exact power to devices—no manual setup.
It has 16 PoE+ ports (30W max) and 8 configurable PoE++ ports (60W max), with a 740W total power budget.
Ideal for power-hungry devices like IP phones, Wi-Fi 6/Wi-Fi7 APs, surveillance cameras, and smart endpoints, keeping networks powered and connected seamlessly.

8 Ports Support PoE++

Up to 60W

IEEE 802.3af/at/bt

PoE Standard

740W

Power Budget

Advanced Routing Capabilities

Equipped with powerful routing capabilities, including static routing, VRF, OSPFv2/v3, BGP, and MP-BGP, this model ensures flexible network segmentation and dynamic route management for demanding enterprise and campus environments.
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Advanced Network Protection Features

This model provides strong L2/L3 security for network edge and core, including storm control, DHCPv4/v6 Snooping, ND Snooping, RA Guard, and SAVI (source IP validation). It adds DAI, IP Source Guard (IPv4/IPv6), and CoPP to block spoofing, man-in-the-middle attacks, and control plane overload—ensuring a secure, resilient network.attacks, and control plane overload—ensuring a secure and resilient network environment.
ai-ml-hpc
BFD-Based Link Fault Detection & Re-routing in Sub-50ms

BFD-based link fault detection and sub-50ms re-routing capabilities ensure rapid, reliable failover across critical routing protocols including OSPF, BGP, and IS-IS, minimizing network downtime and maintaining uninterrupted traffic flow even during unexpected link failures.

Achieve seamless redundancy and active-active reliability with MC-LAG support

MC-LAG support enables networks to maintain uninterrupted connectivity through seamless redundancy and active-active reliability,
ensuring zero downtime and optimal performance during link or device failures.

ai-ml-hpc

Unified Visualization, Management & O&M with OpenWiFi Network Controller

the-software-architecture-of-the-sonic-based-packet-broker
Our campus switches, powered by enterprise SONiC, integrate with a TIP OpenWiFi – based controller. This integration enables unified monitoring, automated deployment, and streamlined operations.​
Key features include intelligent topology planning, ZTP, real – time network visualization, and script – based automation. With centralized remote management and flexible deployment options (cloud or on – premise), this solution offers full control over the entire campus network, from APs to switches. It helps IT teams optimize performance, speed up troubleshooting, and scale easily. →For more←

Enterprise SONiC 24 Ports 2.5G POE+ Switches with PTP Support (Optional)

CX204Y-24MT-M-SPW4 24-port 2.5 G POE+ switch fully supports IEEE1588 PTPv2 and SMPTE 2059-2 standards, both through hardware and software. The hardware port supports PTP as a Boundary Clock (BC) or Transparent Clock (TC), with customizable modules to fit customer needs. On the software side, Asterfusion leads the way in implementing and optimizing PTP in SONiC, delivering top performance on our AsterNOS Enterprise Distribution. Currently, it supports PTP Class A with a maximum time error of ≤50 ns. →For More← 
the-software-architecture-of-the-sonic-based-packet-broker
the-software-architecture-of-the-sonic-based-packet-broker
CX102S-8GT-M-SWP 8 port PoE+ switch fully supports IEEE1588 PTPv2 and SMPTE 2059-2 standards both through hardware and software. The hardware port supports PTP as a Boundary Clock (BC) or Transparent Clock (TC), with customizable modules to fit customer needs. On the software side, Asterfusion leads the way in implementing and optimizing PTP in SONiC, delivering top performance on our AsterNOS Enterprise Distribution. Currently, it supports PTP Class A with a maximum time error of ≤50 ns. →For More← 

Network Packet Broker Functionality (Optional)

the-software-architecture-of-the-sonic-based-packet-broker

The SONiC-based campus switches CX-M series take full advantage of SONiC’s open and containerized architecture, and fully leverage its capabilities by installing the new APP-PB container and deploying packet broker docker functionality on SONiC.

This integration unlocks a range of advanced features, including traffic mirroring, raw data tagging, filtering, aggregation, preprocessing, load balancing, and output replication. →For more←

What’s in the box

24x1G-RJ45-L2-L3-Access-Switch-5

Resources

CX-M Series 2.5G Switches Datasheet
AsterNOS Feature List Campus Version

Warranty & Support

  • 2-year hardware warranty.
  • 1-year free software upgrades and technical support.
  • Enterprise SONiC software lifetime license included.

Warranty & Support

– 2-year hardware warranty.
– 1-year free software upgrades and technical support.
– Enterprise SONiC software lifetime license included.

Related Products

CX102S-8MT-M-SWP
CX204Y-24MT-M-SPW4
CX206Y-24MT-M-HPW6
CX206Y-48GT-M-HPW8
Uplink Ports
2x 10G SFP+
4x 25G SFP28
6x 25G SFP28
6x 25G SFP28
RJ45 Ports
8x 2.5G BASE-T
24x 2.5G BASE-T
24x 2.5G BASE-T
48x 2.5G BASE-T
PoE+ Ports
8x PoE+
24x PoE+
24x PoE+
48x PoE+
PoE++ Ports
8x PoE++
8x PoE++
8x PoE++
8x PoE++
PoE Budget
150W
740W
820W
1440W
Management Layer
L3+
L3+
L3+
L3+
Power Supply
1 Built-in
1 Built-in
1+1 Hot-pluggable
1+1 Hot-pluggable
Fan
2 Built-in
3 Built-in
2+1 Hot-pluggable
2+1 Hot-pluggable
OSPF, BGP, VXLAN, BGP-EVPN, MLAG, IPV6, PTP, QoS, MPLS
Yes
Yes
Yes
Yes

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