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Main image of Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x1GbE/10GbE SFP/SFP + uplinks, 4x10GbE stacking/uplink ports | EX4100-F-48P

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Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x1GbE/10GbE SFP/SFP + uplinks, 4x10GbE stacking/uplink ports | EX4100-F-48P

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Offers 48 x 1GbE PoE+ access ports and delivers up to 30W per port with an overall total PoE Power budget of 740W.
Cloud-ready, driven by Mist AI with Juniper Wired Assurance and Marvis AI Assistant.
Ethernet VPN, Virtual Extensible LAN (EVPN-VXLAN) to the access layer.
Standards-based micro segmentation using group-based policies (GBPs).
Flow-based telemetry to monitor traffic flows for anomaly detection,
ability to measure packet delays and report drop reasons.

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Juniper 48 Port 1GBE PoE+ Ethernet Switch

Model
Brand	Juniper Networks, Inc.
Series	EX4100-F
Model	EX4100-F-48P
Part Number	EX4100-F-48P

Format & Standards
Format	Desktop
Network Management Type	Managed

Details
Security	Media Access Control (MAC) limiting (per port and per VLAN) Allowed MAC addresses: 64,000 Dynamic Address Resolution Protocol (ARP) dynamic ARP inspection (DAI) IP source guard Local proxy ARP Static ARP support Dynamic Host Configuration Protocol (DHCP) snooping Captive portal Persistent MAC address configurations Distributed denial of service (DDoS) protection (CPU control path flooding protection)
PoE	Yes
QoS	L2 QoS L3 QoS Ingress policing: 1 rate 2 color Hardware queues per port: 12 (8 unicast + 4 multicast) Scheduling methods (egress): Strict priority (SP), weighted deficit round-robin (WDRR) 802.1p, DiffServ code point (DSCP)/IP precedence trust and marking L2-L4 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN, IP address, DSCP/IP precedence, TCP/UDP port numbers, and more Congestion avoidance capabilities: Tail drop, weighted random early detection (WRED)
Layer	3
Layer 2 Features	Layer 2 switching Maximum MAC addresses per system: 64,000 Jumbo frames: 9216 bytes Range of possible VLAN IDs: 1 to 4094 Virtual Spanning Tree (VST) instances: 253 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 IEEE 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: Class of Service (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 802.3ae: 10-Gigabit Ethernet IEEE 802.3by: 25-Gigabit Ethernet IEEE 802.3af: Power over Ethernet IEEE 802.3at: Power over Ethernet Plus IEEE 802.3x: Pause Frames/Flow Control IEEE 802.3ah: Ethernet in the First Mile
Layer 3 Features	Layer 3 features: IPv4 Maximum number of ARP entries: 32,000 Maximum number of IPv4 unicast routes in hardware: 32,650 prefixes; 32,150 host routes Maximum number of IPv4 multicast routes in hardware: 16,100 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 Layer 3 features: IPv6 Maximum number of neighbor discovery (ND) entries: 16,000 Maximum number of IPv6 unicast routes in hardware: 16,200 prefixes; 16,050 host routes Maximum number of IPv6 multicast routes in hardware: 8000 multicast routes Routing protocols: RIPng, OSPFv3, IPv6, IS-IS Static routing

Power Supply
PoE Ports	48 x PoE
PoE Power Budget	740W

Dimensions & Weight
Dimensions	with power supply installed: 17.36 x 1.72 x 12.26 in. (44.09 x 4.37 x 31.14 cm)
Weight	11.46 lb (5.2 kg)

Additional Information
First Listed on Newegg	December 15, 2025

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Limited Warranty period (parts): Lifetime
Limited Warranty period (labor): Lifetime
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Manufacturer Contact Info

Manufacturer Website
Support Phone: 1-888-314-5822
Support Website
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Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x1GbE/10GbE SFP/SFP + uplinks, 4x10GbE stacking/uplink ports | EX4100-F-48P

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Customer Reviews of the HPE Juniper Networking EX4100-F-48P

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Item#: 0XP-005R-00420

Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x1GbE/10GbE SFP/SFP + uplinks, 4x10GbE stacking/uplink ports | EX4100-F-48P

Learn more about the HPE Juniper Networking EX4100-F-48P

Customer Reviews of the HPE Juniper Networking EX4100-F-48P

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info