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Juniper Networks QFX Series QFX5120-48Y

Juniper QFX Series QFX5120-48Y - switch - 48 ports - managed - rack-mountable

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Quick Details
  • Switch
  • L3
  • managed
  • 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
  • back to front airflow
Juniper Networks QFX Series QFX5120-48Y
  • Switch
  • L3
  • managed
  • 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
  • back to front airflow
  • rack-mountable
  Additional Details
Price: €17,535.00
MSRP: €36,400.00
Mfr Part #: QFX5120-48Y-AFI
SHI Part #: 35930150
Category: Network switches
UNSPSC: 43222612
Manufacturer: Juniper Networks
Product Type: Hardware

Network Cables

Juniper Networks 100G Ethernet DAC Twinex Copper Cable - 100GBase direct attach cable - 1 m
  • 100GBase direct attach cable
  • QSFP28 (M) to QSFP28 (M)
  • 1 m
  • fiber optic
  • for ACX Series Universal Metro Router ACX5448; PTX Series PTX10001; QFX Series QFX5120
MSRP €458.00 Login for Price
Juniper Networks 40 Gigabit Ethernet Passive Direct Attach Copper Cable - direct attach cable - 1 m
  • Direct attach cable
  • QSFP+ to QSFP+
  • 1 m
  • twinaxial
  • for EX Series EX4650; PTX Series PTX10008; QFX Series QFX10002, QFX10016, QFX5120, QFX5220
MSRP €309.00 Login for Price
Juniper Networks 25GBase direct attach cable - 3 m
  • SFP (M) to SFP (M)
  • 3 m
  • for EX Series EX4650-48Y; QFX Series QFX5120-48Y, QFX5200-48Y
MSRP €309.00 Login for Price


Juniper Networks Care Next-Day Onsite - extended service agreement - 5 years - on-site
  • Extended service agreement
  • parts and labor
  • 5 years
  • on-site
  • 12x5
  • response time: NBD
Login for Price
Juniper Networks J-Partner Agility Services Same-Day Onsite - extended service agreement - 1 year - on-site
  • Extended service agreement
  • parts and labor
  • 1 year
  • on-site
  • 24x7
  • response time: 4 h
MSRP €2,472.00 Login for Price
Juniper Networks J-Partner Agility Services Next-Day - extended service agreement - 1 year - shipment
  • Extended service agreement
  • replacement
  • 1 year
  • shipment
  • 12x5
  • response time: NBD
MSRP €0.01 Login for Price
General Information
CategoryNetwork switches
DescriptionJuniper Networks QFX Series QFX5120-48Y - Switch - L3 - managed - 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28 - back to front airflow - rack-mountable
ManufacturerJuniper Networks
Main Specifications
Dimensions & Weight / Depth52.02 cm
Dimensions & Weight / Height4.37 cm
Dimensions & Weight / Weight10.75 kg
Dimensions & Weight / Width44.09 cm
Header / BrandJuniper;Juniper Networks;
Miscellaneous / Product ColorGray
Networking / Form FactorRack-mountable
Networking / Ports Qty48
Networking / TypeSwitch
Packaged Quantity1
RAM / Installed Size16 GB
Dimensions & Weight
Depth52.02 cm
Height4.37 cm
Weight10.75 kg
Width44.09 cm
Environmental Parameters
Humidity Range Operating5 - 90% (non-condensing)
Humidity Range Storage0 - 95% (non-condensing)
Max Operating Temperature40 °C
Max Storage Temperature70 °C
Min Operating Temperature0 °C
Min Storage Temperature-40 °C
Expansion / Connectivity
Interfaces48 x 1/10/25Gbit LAN SFP28 ¦ 8 x 100Gbit/40Gbit LAN QSFP28 ¦ 1 x USB 2.0 ¦ 1 x management (RS-232) ¦ 2 x management RJ-45
Authentication MethodRADIUS, TACACS+, Secure Shell v.2 (SSH2)
CapacityVirtual interfaces (VLANs): 4093 ¦ VLAN Spanning Tree Protocol instances: 509 ¦ Multiple Spanning Tree Protocol instances: 64 ¦ ARP entries: 64000 ¦ Link aggregation groups: 80 ¦ Maximum member ports per LAG: 64 ¦ IPv4 prefixes (Unicast): 351000 ¦ IPv4 hosts: 208000 ¦ IPv4 routes (Multicast): 104000 ¦ ECMP paths: 64 ¦ IPv6 prefixes (Unicast): 168000 ¦ IPv6 hosts: 104000 ¦ IPv6 routes (Multicast): 52000 ¦ Mirroring destination ports per switch: 4 ¦ Maximum number of mirroring sessions: 4 ¦ Mirroring destination VLANs per switch: 4 ¦ Queues per port: 10
Compliant StandardsIEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1s, IEEE 802.1ad, IEEE 802.1ab (LLDP), IEEE 802.1Qbb, IEEE 802.1Qaz, Shaped Deficit Weighted Round-Robin (SDWRR)
Device TypeSwitch - 48 ports - L3 - managed - stackable
Enclosure TypeBack to front airflow rack-mountable 1U
Encryption AlgorithmMD5
FeaturesARP support, IGMP snooping, store and forward, IPv6 support, Weighted Random Early Detection (WRED), Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Data Center Bridging Exchange (DCBX) support, DHCP snooping, Trivial File Transfer Protocol (TFTP) support, Quality of Service (QoS), Bidirectional Forwarding Detection (BFD), IPv4 support, DHCP relay, Link Aggregation Control Protocol (LACP), Management Information Base (MIB), VLAN Spanning Tree Protocol (VSTP), built-in DIP switch, static routing, Class of Service (CoS), sFlow v5, Multicast Source Discovery Protocol (MSDP), multihoming, cut-through, IGMP filtering, Uplink Failure Detection (UFD), Storm Control, Weighted Tail Drop (WTD), Priority-Based Flow Control (PFC), Bridge protocol data unit (BPDU), Virtual Extensible LAN (VXLAN), Link Aggregation, Ethernet Virtual Private Network (EVPN), TCP/UDP port setting, Python runtime, Private VLAN, Zero-touch provisioning (ZTP), 4+1 redundant fans, MAC based VLAN, Routed VLAN Interface (RVI), port-based VLAN, Junos XML management protocol, VLAN trunking, Multichassis link aggregation (MC-LAG), Link Aggregation Group (LAG), remarking of bridged packets, static label-switched paths (LSPs), RSVP-based signaling of LSPs, LDP-based signaling of LSPs, LDP tunneling (LDP over RSVP), MPLS LSR support, image rollback, beacon LED, traffic mirroring
Flash Memory64 GB
Jumbo Frame Support9216 bytes
MAC Address Table Size288K entries
PerformanceSwitching capacity: 2 Tbps ¦ Switching capacity: 1.31 Bpps
Ports48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
Processor1 x Intel: 2.2 GHz
Remote Management ProtocolSNMP 1, SNMP 2, RMON, Telnet, SNMP 3, HTTP, SSH, SSH-2, CLI, OVSDB
Routing ProtocolOSPF, RIP, IS-IS, RIP-1, RIP-2, BGP, IGMPv2, IGMP, VRRP, OSPFv2, PIM-SM, PIM-DM, IGMPv3, PIM-SSM, MSDP, static IPv4 routing, static IPv6 routing, MPLS, Bidirectional Forwarding Detection (BFD), CIDR, RSVP
Subtype25 Gigabit Ethernet
Compliant StandardsICES-003, RoHS, FCC CFR47 Part 15, WEEE, RoHS, BSMI CNS 13438, REACH, EN 300 386 V1.6.1, EN 55024:2010, KN32, KN35, EN 55032:2012, IEC/EN 61000, EN 62368-1:2014, CAN/CSA-C22.2 No. 60950-1, UL 62368-1, VCCI-CISPR 32:2016, AS/NZS CISPR 32:2015, EN 300 386 V2.1.1, KN 61000, EMC-221, OCT-16, IEC 62368-1: 2014 Second Edition
Rack Mounting KitIncluded
Installed Qty2
Power Consumption Operational260 Watt
Power DeviceInternal power supply - hot-plug
Power Provided650 Watt
Power RedundancyOptional
Power Redundancy Scheme1+1
Voltage RequiredAC 120/230 V
Software / System Requirements
Software IncludedJunos OS