Juniper QFX5110-48S-AFI2 Switch 48*SFP+, 4*QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features
Juniper QFX5110-48S-AFI2 Switch 48*SFP+, 4*QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features
Juniper QFX5110-48S-AFI2 Switch 48*SFP+, 4*QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features
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Juniper QFX5110-48S-AFI2 Switch 48*SFP+, 4*QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features

R 634,876.12
R 634,876.12
R 659,773.23
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Juniper QFX5110-48S-AFI2 Switch with 48 SFP+, 4 QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features

Product Description

48 SFP+ and 4 QSFP28, back to front air flow, AC

QFX5110 access and aggregation switches deliver low latency, rich Layer 2 and Layer 3 features, VXLAN overlay deployments, and 100GbE uplinks, making it the industrys most nimble line of switches.

Featuring L3 gateway capabilities for bridging between virtualized and bare-metal servers, the QFX5110 is designed for extremely agile data centers that demand support for overlay/underlay network architectures. The high-density 10GbE, 40GbE, and 100GbE ports also make the QFX5110 ideally suited for use in data center spine and leaf topologies and campus distribution.

Specs Overview

Product Code

QFX5110-48S-AFI2

Dimensions(W x H x D)

1.72 x17.36 x 20.48 in(4.37 x 44.09 x 52.02 cm)

Rack units

1 U

Weight

23 lb (10.43 kg)

Operating system

Junos OS

CPU

1.8 GHz quad-core Intel CPU

Power

* AFO/AFI: Max load: 300 W, Typical load: 195 W, Idle load: 150 W

* Dual redundant (1+1) and hot-pluggable power supplies

* 110-240 V single phase AC power

* -36 to -72 V DC power

Cooling

* Redundant (N+1) and hot-pluggable fan modules for front-to- back and back-to-front airflow

* Redundant variable-speed fans to reduce power draw

Total packet buffer

16 MB

Warranty

Juniper standard one-year warranty

System Throughput

Up to 1.76 Tbps (bidirectional)

Forwarding Capacity

1.32 Bpps

Technical Specifications

QFX5110-48S-AFI2 Specification

Dimensions (W x H x D)

1.72 x17.36 x 20.48 in (4.37 x 44.09 x 52.02 cm)

Rack units

1 U

Weight

23 lb (10.43 kg)

Operating system

Junos OS

CPU

1.8 GHz quad-core Intel CPU

Power

* AFO/AFI: Max load: 300 W, Typical load: 195 W, Idle load: 150 W

* Dual redundant (1+1) and hot-pluggable power supplies

* 110-240 V single phase AC power

* -36 to -72 V DC power

Cooling

* Redundant (N+1) and hot-pluggable fan modules for front-to- back and back-to-front airflow

* Redundant variable-speed fans to reduce power draw

Total packet buffer

16 MB

Warranty

Juniper standard one-year warranty

System Throughput

Up to 1.76 Tbps (bidirectional)

Forwarding Capacity

1.32 Bpps

Interface Options

 

* 1GbE SFP: 48 (24 copper 1GbE)

* 10GbE SFP+: 48/64 (with breakout cable)

* 40GbE QSFP+: 4

* 100GbE QSFP28: 4

Other Interface Notes

 

* Each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port

* Each QSFP28 port can be configured as a 4 x 10GbE interface a 40 Gbps port or as a 100 Gbps port

* 1 USB 2.0 port

* 1 RS-232 console port

* 2 management ports: 2x SFP fiber ports or 1x RJ-45 and 1x copper SFP ports

* Supported transceiver and direct attach cable

* SFP+ 10GbE optical modules

* SFP+ DAC cables: 1/3/5 m twinax copper and 1/3/5/7/10 m active twinax copper

* SFP GbE optical and copper module

* QSFP+ DAC cables: 1/3/5 m twinax copper and 7/10 m active twinax copper

* QSFP+ AOC cables: 1/3/5/7/10/15/20/30 m cable

* QSFP+ Optics: SR4, LX4, ESR4, IR, LR4

* QSFP+ to SFP+ 10GbE direct attach breakout copper (1/3/10 m twinax copper and 5/7 m active twinax copper cable)

* QSFP28 Optics: SR4, CWDM4, LR4

* QSFP28 AOC: 10 m cable

MAC addresses per system

288,000

VLAN IDs

4,093

Number of link aggregation groups (LAGs)

104

Number of ports per LAG

32

Firewall filters (ingress / egress)

6,142 / 1,022

IPv4 unicast routes

128,000 prefixes; 208,000 host routes; 64 ECMP paths

IPv4 multicast routes

104,000

IPv6 unicast routes

84,000

IPv6 multicast routes

52,000

ARP entries

48,000

Jumbo frame

9,216 bytes

Spanning Tree Protocol (STP)

* Multiple Spanning Tree Protocol (MSTP) Instances: 64

* VLAN Spanning Tree Protocol (VSTP) Instances: 253

Traffic mirroring

* Mirroring destination ports per switch: 4

* Maximum number of mirroring sessions: 4

* Mirroring destination VLANs per switch: 4

Operating temperature

32° to 104° F (0° to 40° C)

Storage temperature

-40° to 158° F (-40° to 70° C)

Operating altitude

Up to 2,000 ft (610 m)

Relative humidity operating

Operating: 5% to 90% (noncondensing)

Relative humidity non-operating

Non-operating: 0% to 95% (noncondensing)
The Juniper QFX5110-48S-AFI2 Switch 48*SFP+, 4*QSFP28, back to front air flow, AC, Enterprise switch, low latency, rich L2/L3 features was built with people like you in mind. Something to keep you happy. Every. Single. Day.

Inventory Last Updated: Aug 29, 2025