What are the key features of the Juniper EX4400-48F Ethernet switch?

Key features of the Juniper EX4400-48F include cloud readiness with Mist AI, Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN), Media Access Control Security (MACsec) AES256, and support for Power over Ethernet (PoE++) delivering up to 90W per port.

What types of ports does the Juniper EX4400-48F Ethernet switch offer?

The Juniper EX4400-48F Ethernet switch offers 12 x 10GbE SFP+ ports and 36 x 1GbE SFP ports for fiber access.

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Juniper EX4400, 12-port 1000/10000BASE-X SFP+ + 36-port 100/1000BASE-X SFP + 550 W AC PS (optics sold separately) | EX4400-48F

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Offers 12 x 10GbE SFP+ and 36 x 1GbE SFP fiber access ports.
Cloud-ready, driven by Mist AI with Juniper Mist Wired Assurance and Marvis Virtual Network Assistant
Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN) to the access layer
End-to-end encryption using Media Access Control Security (MACsec) AES256
IEEE 802.3bz Multigigabit
IEEE 802.3bt Power over Ethernet (PoE++)
Wi-Fi 7-ready switches, delivering up to 3600W of PoE power per switch with AC/DC power supply options

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12-port 1000/10000BASE-X SFP+ + 36-port 100/1000BASE-X SFP + 550 W AC PS (optics sold separately)

Model
Brand	Juniper Networks, Inc.
Series	EX4400
Model	EX4400-48F
Part Number	EX4400-48F

Format & Standards
Network Management Type	Managed

Details
Protocols	HCRP, SPP
PoE	No
Layer	3
Layer 2 Features	Maximum MAC addresses per system: 112,000 Jumbo frames: 9216 Bytes Number of VLANs supported: 4093 Range of possible VLAN IDs: 1 to 4094 Virtual Spanning Tree (VST) instances: 510 Port-based VLAN Voice VLAN Physical port redundancy: Redundant trunk group (RTG) Compatible with Per-VLAN Spanning Tree Plus (PVST+) Routed VLAN interface (RVI) Uplink failure detection (UFD) ITU-T G.8032: Ethernet Ring Protection Switching EEE 802.1AB: Link Layer Discovery Protocol (LLDP) LLDP-MED with VoIP integration Default VLAN and multiple VLAN range support MAC learning deactivate Persistent MAC learning (sticky MAC) MAC notification Private VLANs (PVLANs) Explicit congestion notification (ECN) Layer 2 protocol tunneling (L2PT) IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP) IEEE 802.1p: CoS prioritization IEEE 802.1Q: VLAN tagging IEEE 802.1X: Port Access Control IEEE 802.1ak: Multiple Registration Protocol IEEE 802.3: 10BASE-T IEEE 802.3u: 100BASE-T IEEE 802.3ab: 1000BASE-T IEEE 802.3z: 1000BASE-X IEEE 802.3bz: 2.5GBASE-T and 5GBASE-T IEEE 802.3ae: 10-Gigabit Ethernet IEEE 802.3by: 25-Gigabit Ethernet IEEE 802.3af: Power over Ethernet IEEE 802.3at: Power over Ethernet Plus IEEE 802.3bt: 90 W Power over Ethernet IEEE 802.3x: Pause Frames/Flow Control IEEE 802.3ah: Ethernet in the First Mile
Layer 3 Features	Maximum number of ARP entries: 24,000 Maximum number of IPv4 unicast routes in hardware: 130,048 prefixes; 81,000 host routes Maximum number of IPv4 multicast routes in hardware: 40,000 multicast routes Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS Static routing Routing policy Bidirectional Forwarding Detection (BFD) L3 redundancy: Virtual Router Redundancy Protocol (VRRP) VRF-Lite: 1000 Maximum number of Neighbor Discovery (ND) entries: 12,000 Maximum number of IPv6 unicast routes in hardware: 87,000 prefixes; 40,000 host routes Maximum number of IPv6 multicast routes in hardware: 20,000 multicast routes Routing protocols: RIPng, OSPFv3, IPv6, ISIS Static routing

Additional Information
First Listed on Newegg	May 30, 2026

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Item#: 9SIC6WMKY20628

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Juniper EX4400, 12-port 1000/10000BASE-X SFP+ + 36-port 100/1000BASE-X SFP + 550 W AC PS (optics sold separately) | EX4400-48F

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