Elite Technology Based

Juniper Network Switch 48Port QFX5120-48Y-AFO2

The QFX5120 ( QFX5120-48Y-AFO2 Series ) Juniper Network Switch 48Port delivers low latency, rich Layer 2 and Layer 3 features, and advanced EVPN- VXLAN capabilities, making it an ideal data center top-of-rack and aggregation switch for enterprise multicloud deployments.


The QFX5120 ( QFX5120-48Y-AFO2 Series ) Juniper Network Switch 48Port delivers low latency, rich Layer 2 and Layer 3 features, and advanced EVPN- VXLAN capabilities, making it an ideal data center top-of-rack and aggregation switch for enterprise multicloud deployments.

Featuring Layer 3 gateway capabilities for routing between virtualized and bare-metal servers, the QFX5120 is designed for extremely agile data centers that require support for overlay/ underlay network architectures.

Native 25GbE with 100GbE uplink ports on the QFX5120-48Y, combined with 32 ports of 100GbE on the QFX5120-32C, make the QFX5120 family ideal for leaf-and-spine network


ARP 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

Juniper Network Switch 48Port Specifications

Device Type : Switch – 48 ports – L3 – managed – stackable

Enclosure Type : Front to back airflow rack-mountable 1U

Subtype : 25 Gigabit Ethernet

Ports : 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28

Juniper Network Switch 48Port Performance : Switching capacity: 2 Tbps ¦ Switching capacity: 1.31 Bpps

Capacity : Virtual 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

MAC Address Table Size : 288K entriesJuniper Network Switch 48Port QFX5120 Layer 2 and Layer 3 Switch QFX5120-48Y-AFO2

Jumbo Frame Support : 9216 bytes

Product Name : QFX5120-48Y Airflow Out Red DC Psus & Fans Ships with Base Software

Part Number : QFX5120-48Y-D-AFO2

Juniper Network Switch 48Port Type : Layer 3 Switch

Manageable : Yes

Ethernet Technology : 25 Gigabit Ethernet , 100 Gigabit Ethernet

Number of Total Expansion Slots : 56

Family : QFX5100

Media Type Supported : Optical Fiber

Redundant Power Supply Supported : Yes

Expansion Slot Type : SFP+ , QSFP28

Juniper Network Switch 48Port Form Factor : Rack-mountable

Power Source : Power Supply

Layer Supported : 3

Environmentally Friendly : Yes

Compatible Rack Unit : 1U

Number of SFP+ Slots : 48

Modular : Yes

Uplink Port : Yes

Shared SFP Slot : No

Port / Expansion Slot Details : 48 x 25 Gigabit Ethernet Expansion Slot , 8 x 100 Gigabit Ethernet Expansion Slot

Juniper Network Switch 48Port Height : 1.7″

Width : 17.4″

Depth : 20.5″

Series : QFX5100

Model : QFX5120-48Y

Network Technology : 25GBase-X , 100GBase-X

Juniper Network Switch 48Port Limited Warranty : 1 Year Yes

Routing Protocol : OSPF, 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

Remote Management Protocol : SNMP 1, SNMP 2, RMON, Telnet, SNMP 3, HTTP, SSH, SSH-2, CLI, OVSDB

Encryption Algorithm : MD5

Authentication Method : RADIUS, TACACS+, Secure Shell v.2 (SSH2)

Compliant Standards : IEEE 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)

Processor : 1 x Intel: 2.2 GHz

RAM : 16 GB

Built-in Devices : 64 GB SSD

Interfaces : 48 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

Power Device : Internal power supply – hot-plug

Installed Qty : 2Juniper Network Switch 48Port

Power Redundancy : Optional

Power Redundancy Scheme : 1+1

Juniper Network Switch 48Port Power Provided : 650 Watt

Voltage Required : AC 120/230 V

Power Consumption Operational : 260 Watt

QFX5120-48Y-AFO2 QFX5120-48Y-AFO2 QFX5120 Series Rack Mounting Kit : Included

Compliant Standards : ICES-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

Software Included : Junos OS

Min Operating Temperature : 32 °F

Max Operating Temperature : 104 °F

Juniper Network Switch 48Port Humidity Range Operating : 5 – 90% (non-condensing)

Min Storage Temperature : -40 °F

Max Storage Temperature : 158 °F

Humidity Range Storage : 0 – 95% (non-condensing)

Additional information


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