The Juniper EX4400-24X Ethernet Switch is a compact and scalable 10GbE platform designed for enterprise campus distribution and core deployments.

Built around an AI-driven, cloud-native architecture, the EX4400-24X combines high-speed fiber connectivity with advanced technologies such as EVPN-VXLAN, Juniper Virtual Chassis, MACsec AES-256 encryption, microsegmentation, and streaming telemetry.

The switch can be deployed as a distribution platform in larger campus environments or as a core switch for small and medium-sized campus networks.

Cloud-Ready Campus Switching

The EX4400-24X is cloud-ready and supports Zero-Touch Provisioning (ZTP), helping organizations simplify switch onboarding and deployment.

Through Juniper Mist Wired Assurance, administrators can configure, manage, and monitor the switch from the cloud.

The EX4400-24X also sends rich telemetry data to the Juniper Mist cloud, where Mist AI helps simplify network operations and deliver real-time insights into connected users and devices.

Features and Benefits

AI-Driven Switching

The EX4400-24X can be onboarded, provisioned, and managed through the cloud using Juniper Mist Wired Assurance.

The platform uses rich streaming telemetry to provide information about:

• Switch health
• Network service levels
• User experiences
• Connected devices

AI-powered automation and insights can help streamline IT operations and reduce Mean Time to Repair (MTTR).

Virtual Chassis

Juniper Virtual Chassis technology allows up to:

• 10 EX4400-24X switches

to be configured and managed as a single logical device.

This provides organizations with a scalable architecture that can expand as network requirements grow.

MACsec AES-256

The EX4400-24X supports:

• IEEE 802.1AE MACsec
• AES-256 encryption

MACsec provides link-layer:

• Data confidentiality
• Data integrity
• Data origin authentication

This helps protect network traffic between connected devices and network infrastructure.

End-to-End Campus Fabric

The EX4400-24X supports EVPN-VXLAN technology for building modern enterprise campus fabrics.

Through the Juniper Mist cloud campus fabric workflow, organizations can use EVPN-VXLAN to:

• Scale network environments
• Improve network resiliency
• Simplify management
• Build modern campus fabric architectures

Microsegmentation

The EX4400-24X provides standards-based microsegmentation using:

• Group-Based Policies (GBP)
• VXLAN technology

This architecture enables endpoint-independent access control while allowing organizations to apply consistent security policies across:

• Applications
• Business functions
• User groups
• User tags

Flow-Based Telemetry

The EX4400-24X provides per-flow analytics that can monitor:

• Thousands of network traffic flows per switch

This monitoring can be performed without significantly impacting switch CPU resources.

Flow-based telemetry also helps organizations identify network behavior and detect anomalies.

Product Capabilities

The EX4400 platform includes a broad range of networking and management capabilities, including:

• Juniper Mist Wired Assurance
• Mist AI
• Marvis Virtual Network Assistant
• EVPN-VXLAN
• MACsec AES-256 encryption
• IEEE 802.3bz Multigigabit Ethernet
• IEEE 802.3bt Power over Ethernet
• Group-Based Policy microsegmentation
• Flow-based telemetry
• Precision Timing Protocol transparent clock
• 10-member Virtual Chassis support

The EX4400 family also provides comprehensive Layer 2 and Layer 3 networking capabilities for several deployment environments.

These include:

• Enterprise campus
• Branch environments
• Data center Top-of-Rack deployments

Juniper EX4400 Family

The EX4400 family includes multiple configurations designed for different port, PoE, copper, multigigabit, and fiber requirements.

EX4400-48MP

The EX4400-48MP provides:

• 12 x 100M/1/2.5/5/10GbE access ports
• 36 x 100M/1/2.5GbE access ports
• PoE support
• Up to 90W PoE per port
• Up to 2200W total PoE budget using two power supplies

EX4400-24MP

The EX4400-24MP provides:

• 24 x 100M/1/2.5/5/10GbE PoE access ports
• Up to 90W PoE per port
• Up to 1776W total PoE budget with two power supplies

With two optional 1600W power supplies, the total PoE budget can reach:

• 2160W

EX4400-24T

The EX4400-24T provides:

• 24 x 1GbE access ports
• Non-PoE configuration

EX4400-24P

The EX4400-24P provides:

• 24 x 1GbE PoE access ports
• Up to 90W PoE per port
• Up to 1806W total PoE budget using two power supplies

With two optional 1600W power supplies, the total PoE budget can reach:

• 2160W

EX4400-48T

The EX4400-48T provides:

• 48 x 1GbE access ports
• Non-PoE configuration

EX4400-48P

The EX4400-48P provides:

• 48 x 1GbE PoE access ports
• Up to 90W PoE per port
• Up to 2200W total PoE budget using two power supplies

EX4400-24X

The EX4400-24X provides:

• 24 x 10GbE SFP+ fiber access and distribution ports

EX4400-48F

The EX4400-48F provides:

• 12 x 10GbE SFP+ fiber ports
• 36 x 1GbE SFP fiber ports

EX4400-24X Port Configuration

The EX4400-24X provides:

• 24 x 1/10GbE SFP+ access ports
• No PoE ports
• 24 native 10GbE ports
• Up to 28 x 10GbE ports with an optional module
• Up to 4 x 25GbE ports with an optional module
• 2 native 100GbE/40GbE ports
• Up to 3 x 100GbE/40GbE ports with an optional module

Power Supply

The EX4400-24X uses:

• 550W AC power supply

Cooling

The standard EX4400-24X configuration provides:

• AFO – Front-to-Back airflow

EX4400-24X Airflow and Power Variants

The page also lists several EX4400-24X configurations with different power and airflow options.

EX4400-24X-AFI

The EX4400-24X-AFI provides:

• 24 x 1/10GbE SFP+ ports
• No PoE
• Up to 28 x 10GbE ports with module
• Up to 4 x 25GbE ports with module
• 2 native 100/40GbE ports
• Up to 3 x 100/40GbE ports with module
• 550W AC power supply
• AFI Back-to-Front airflow

EX4400-24X-DC

The EX4400-24X-DC provides:

• 24 x 1/10GbE SFP+ ports
• No PoE
• Up to 28 x 10GbE ports with module
• Up to 4 x 25GbE ports with module
• 2 native 100/40GbE ports
• Up to 3 x 100/40GbE ports with module
• Front-to-Back airflow

EX4400-24X-DC-AFI

The EX4400-24X-DC-AFI provides:

• 24 x 1/10GbE SFP+ ports
• No PoE
• Up to 28 x 10GbE ports with module
• Up to 4 x 25GbE ports with module
• 2 native 100/40GbE ports
• Up to 3 x 100/40GbE ports with module
• Back-to-Front airflow

EX4400-24X Specifications

Form Factor

The EX4400-24X is a:

• Fixed 1U distribution/core switch

Port Density

The switch provides:

• 24 x 1/10GBASE-X ports
• 2 x 100GbE/40GbE uplinks

The EX4400-24X also supports common EX4400 uplink modules, including:

• 4 x 25GbE with MACsec AES-256
• 4 x 10GbE without MACsec
• 1 x 100GbE with MACsec AES-256

Juniper Mist Wired Assurance

• Supported

Campus Fabric

The switch supports:

• EVPN-VXLAN
• Virtual Chassis

Cloud Management

• Supported

Dimensions

The EX4400-24X measures:

• 17.39 x 1.72 x 16.93 inches
• 44.17 x 4.37 x 43 cm
• 1 rack unit

Backplane Speed

The switch supports a:

• 400 Gbps Virtual Chassis interconnect

Data Rate

The EX4400-24X provides:

• 1080 Gbps bidirectional data rate

Throughput

The switch provides:

• 803 Mpps

Resiliency

Hardware resiliency includes:

• Redundant internal load-sharing power supplies
• Redundant variable-speed fans

Traffic Monitoring

Available monitoring capabilities include:

• sFlow
• IPFIX
• Flow-based telemetry

Quality of Service Queues

The switch supports:

• 12 QoS queues per port

These include:

• 8 unicast queues
• 4 multicast queues

MAC Address Capacity

The EX4400-24X supports:

• 112,000 MAC addresses

Jumbo Frames

Maximum jumbo frame size:

• 9216 bytes

IPv4 Routes

The switch supports up to:

• 80,000 IPv4 unicast/multicast routes

IPv6 Routes

The switch supports up to:

• 40,000 IPv6 unicast/multicast routes

VLANs

The EX4400-24X supports up to:

• 4,093 VLANs

ARP Entries

The switch supports:

• 24,000 ARP entries

Scalable 10GbE Switching for Campus Networks

The Juniper EX4400-24X Ethernet Switch combines 24-port 1/10GbE fiber connectivity, high-speed 40/100GbE uplinks, EVPN-VXLAN campus fabrics, MACsec AES-256 security, cloud management, flow-based telemetry, and Juniper Virtual Chassis technology.

With a 1080 Gbps bidirectional data rate, 803 Mpps throughput, 400 Gbps Virtual Chassis interconnect, and support for managing up to 10 switches as a single logical system, the EX4400-24X provides a scalable platform for enterprise campus distribution and smaller campus core environments.