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It ranks #59 in the Wireless AP category.

What type of device is the Juniper Networks EX Series EX4100-48P?

The Juniper Networks EX Series EX4100-48P is a managed switch with 48 ports.

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Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x10GbE uplinks, 4x25GbE stacking/uplink ports | EX4100-48P

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Cloud-ready, driven by Mist AI with Juniper Wired Assurance and Marvis AI Assistant.
Offers full suite of Layer 2 and Layer 3 capabilities.
Ethernet VPN, Virtual Extensible LAN (EVPN-VXLAN) to the access layer.
Standards-based micro segmentation using group-based policies (GBPs).
Switch-to-switch encryption using Media Access Control Security (MACsec) AES256.
IEEE 802.3bz Multigigabit.
IEEE 802.3bt Power over Ethernet Plus (PoE++).

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Juniper EX4100 48-Port PoE+ Ethernet Switch provides a secure, cloud-ready range of access switches appropriate for business branches, campus, and data center networks. The EX4100 switches bring a distinctive approach to access switching in the cloud, mobile, and IoT eras by combining the convenience of the cloud, the power of Mist AI, and a sturdy hardware base with best-in-class security and performance.

The Juniper Mist Wired Assurance enables the EX4100 Switches to be easily onboarded, configured and monitored from the cloud. This streamlines operations enhances visibility and provides a much-improved experience for linked devices.

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

Format & Standards
Format	Desktop
Network Management Type	Managed

Ports & Interface
Primary Ports	48 x RJ45

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 802.3bz: 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
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: 1000 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	1PSU : 740 W 2 PSU: 1440 W
Power	Power Supply rating: 920 W AC

Dimensions & Weight
Dimensions	Base Unit: 17.36 x 1.72 x 13.78 in (44.1 x 4.37 x 35 cm) With power supply installed: 17.36 x 1.72 x 15.05 in (44.1 x 4.37 x 38.24 cm)
Weight	10.27 lb (4.66 kg)

Additional Information
First Listed on Newegg	June 13, 2025

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Juniper Networks EX4100 Switch, 48-port 10/100/1000BASE-T PoE+ switch, 4x10GbE uplinks, 4x25GbE stacking/uplink ports | EX4100-48P

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