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Black rectangular desktop switch, 48 PoE ports, four SFP uplinks, four stacking ports

HPE Juniper Networking

HPE Juniper Networking EX4100-F-48P 48-port PoE+ network switch

SKU CH-78QW-07WTD MPN EX4100-F-48P

A managed Layer 3 switch with 48 PoE+ ports delivering up to 30W each and a 740W total budget, plus 4x 1G/10G SFP/SFP+ uplinks and 4x 10G stacking ports

  • FormatDesktop
  • Network Management TypeManaged
  • SecurityMedia Access Control (MAC) limiting (per port and per VLAN)
  • PoEYes
  • QoSL2 QoS L3 QoS Ingress policing: 1 rate 2 color Hardware queu
  • Layer3
  • 48 PoE+ ports deliver up to 30W each with a 740W total power budget
  • Layer 3 switching supports 32,650 IPv4 routes and 16,100 multicast routes for scalable routing
  • 64,000 MAC address capacity and 4,094 VLAN IDs enable dense, segmented networks
  • 9,216-byte jumbo frames and 12 hardware queues per port optimise high-throughput traffic handling
  • Four 10GbE SFP+ uplinks plus four dedicated 10GbE stacking ports provide flexible high-speed connectivity

Switch for PoE access layer

The HPE Juniper Networking EX4100-F-48P is a managed Layer 3 desktop switch with 48 PoE+ ports and a 740W PoE power budget. It includes four 1GbE/10GbE SFP/SFP+ uplink ports and four 10GbE stacking or uplink ports. The unit supports cloud management via Mist AI and Juniper Wired Assurance.

Suited for PoE-heavy access deployments

This switch fits networks that need to power many devices such as access points, cameras or phones from a single rack unit. It is not for buyers who require higher port speeds than 1GbE on the access ports. It is also not for teams that prefer a purely on-premises management model without cloud connectivity.

PoE budget of 740W

The total PoE power budget of 740W determines how many ports can simultaneously deliver the maximum 30W per port. Exceeding this budget will limit the number of fully powered devices. Verify the aggregate draw of your connected endpoints before deployment.

Highlights

  • 48 PoE+ ports deliver up to 30W each with a 740W total power budget
  • Layer 3 switching supports 32,650 IPv4 routes and 16,100 multicast routes for scalable routing
  • 64,000 MAC address capacity and 4,094 VLAN IDs enable dense, segmented networks
  • 9,216-byte jumbo frames and 12 hardware queues per port optimise high-throughput traffic handling
  • Four 10GbE SFP+ uplinks plus four dedicated 10GbE stacking ports provide flexible high-speed connectivity

Specifications

BrandJuniper Networks, Inc.
SeriesEX4100-F
ModelEX4100-F-48P
Part NumberEX4100-F-48P
FormatDesktop
Network Management TypeManaged
SecurityMedia 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)
PoEYes
QoSL2 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)
Layer3
Layer 2 FeaturesLayer 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 M
Layer 3 FeaturesLayer 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
PoE Ports48 x PoE
PoE Power Budget740W
Dimensionswith power supply installed: 17.36 x 1.72 x 12.26 in. (44.09 x 4.37 x 31.14 cm)
Weight11.46 lb (5.2 kg)
Shipping weight4.54 kg
Package size572 × 521 × 152 mm

Questions about this item

What rack space and clearance does the 17.36 x 1.72 x 12.26 inch chassis require?

The switch occupies 1U of rack height at 1.72 inches tall, with a depth of 12.26 inches; allow additional rear clearance for cable bends and power-supply airflow.

What is the correct sequence for loading the PoE budget across the 48 ports?

Connect powered devices first, then verify the cumulative draw stays within the 740 W budget using the management interface; the common mistake is exceeding the budget before enabling port-level limits.

Which components are field-replaceable and what is the typical replacement cycle?

The internal fan tray and power supply are hot-swappable; fans typically run five years under continuous operation, while the power supply is rated for a similar service life.

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