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    QFX5120-48Y-AFO2
    QFX5120-48Y-AFO2, Juniper Networks QFX Series QFX5120-48Y - Switch - L3 - managed - 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28 - front to back airflow - rack-mountable
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    QFX5120-48Y-AFO2 Overview

    QFX5120-48Y-AFO2, Juniper Networks QFX Series QFX5120-48Y - Switch - L3 - managed - 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28 - front to back airflow - rack-mountable

    The QFX5120 Switch delivers rich, low latency Layer 2/Layer 3 features and advanced EVPN-VXLAN capabilities, making it an ideal data center top-of-rack and distribution switch for campus enterprise deployments.

    Featuring L3 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 and QFX5120-48YM, 10GbE/1GbE copper with 100GbE uplink ports on the QFX5120-48T, and 32 100GbE ports on the QFX5120-32C make the QFX5120 family ideal for spine-and-leaf network deployments.

    The Juniper Networks QFX5120 Switch delivers high scale, high availability, and high performance for data center and campus deployments. The QFX5120 Switch is a versatile routing and switching platform addressing higher server access speed and campus distribution use cases while offering high-density 1GbE/10GbE/25GbE and 100GbE uplinks for collapsed spine data center or campus distribution deployments.

    The QFX5120-48Y is a 25GbE/100GbE data center leaf and campus distribution switch featuring:
    • 48 25GbE (SFP28)/10GbE (SFP+)/1GbE (SFP) downlink ports
    • Eight 100GbE (QSFP28)/40GbE (QSFP+) uplink ports
    • Up to 4 Tbps L2 and L3 performance (bidirectional), with latency as low as 800 nanoseconds
    • A 2.2 GHz quad-core Intel CPU with 16 GB memory and 50 GB SSD storage

    Quick Spec

    Table 1 shows the quick spec.

    Dimensions(W x H x D)

    1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)

    Switching Capacity

    4 Tbps (bidirectional)/2 Bpps

    Switching mode

    Cut-through and store-and-forward

    Max load

    272 W

    Typical load

    247 W

    Interface

    • 2 management ports: 2 x RJ-45 ports

    • 1GbE SFP: 48

    • 10GbE SFP+: 48/80(with breakout cable)

    • 25GbE SFP: 48/80 (with breakout cable)

    • 40GbE QSFP+: 8 (each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port)

    • 100GbE QSFP28: 8 (each QSFP28 port can be configured as a 4 x 25GbE interface or as a 100 Gbps port)

    • SFP GbE optical and copper module

    • SFP+ 10GbE optical modules

    • SFP+ direct attach copper (DAC) cables: 1/3/5 m twinax copper and 1/3/5/7 m active twinax copper

    • SFP28 DAC cables: 1/3 m twinax copper

    • SFP28 optics: Short reach (SR), long reach (LR)

    • QSFP+ to SFP+: 10GbE direct attach breakout copper (1/3 m twinax copper cable)

    Supported transceiver and direct attach cable

    • QSFP+ DAC cables: 1/3 m twinax copper

    • QSFP+ optics: SR4, LX4, ESR4, ER4, LR4

    • QSFP28 optics: SR4, ER4, PSM4, CWDM4, LR4

    Number of link aggregation groups (LAGs)

    80

    Number of ports per LAG

    64

    Layer 2 Features

    • STP—IEEE 802.1D (802.1D-2004)

    • Rapid Spanning Tree Protocol (RSTP) (IEEE 802.1w); MSTP (IEEE 802.1s)

    • Bridge protocol data unit (BPDU) protect

    • Loop protect

    • Root protect

    • RSTP and VSTP running concurrently

    • VLAN—IEEE 802.1Q VLAN trunking

    • Routed VLAN interface (RVI)

    • Port-based VLAN

    • Private VLAN (PVLAN)

    • VLAN translation

    • Static MAC address assignment for interface

    • Per VLAN MAC learning (limit)

    • MAC learning disable

    • Link Aggregation and Link Aggregation Control Protocol (LACP) (IEEE 802.3ad)

    • MACsec with AES256 (QFX5120-48YM only)

    • Virtual chassis—up to 2 members on QFX5120-48Y, QFX5120-32C and QFX5120-48T

    Layer 3 Features (IPv4)

    • Static routing

    • Routing protocols (RIP, OSPF, IS-IS, BGP)

    • Virtual Router Redundancy Protocol (VRRP)

    • Virtual router

    • Dynamic Host Configuration Protocol (DHCP) relay

    • Proxy Address Resolution Protocol (ARP)


    QFX5120-48Y-AFO2 Specification 


    QFX5120-48Y-AFO2 Specification

    Dimensions(W x H x D)

    1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)

    Switching Capacity

    4 Tbps (bidirectional)/2 Bpps

    Switching mode

    Cut-through and store-and-forward

    Max load

    272 W

    Typical load

    247 W

    Interface

    • 2 management ports: 2 x RJ-45 ports

    • 1GbE SFP: 48

    • 10GbE SFP+: 48/80(with breakout cable)

    • 25GbE SFP: 48/80 (with breakout cable)

    • 40GbE QSFP+: 8 (each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port)

    • 100GbE QSFP28: 8 (each QSFP28 port can be configured as a 4 x 25GbE interface or as a 100 Gbps port)

    • SFP GbE optical and copper module

    • SFP+ 10GbE optical modules

    • SFP+ direct attach copper (DAC) cables: 1/3/5 m twinax copper and 1/3/5/7 m active twinax copper

    • SFP28 DAC cables: 1/3 m twinax copper

    • SFP28 optics: Short reach (SR), long reach (LR)

    • QSFP+ to SFP+: 10GbE direct attach breakout copper (1/3 m twinax copper cable)

    Supported transceiver and direct attach cable

    • QSFP+ DAC cables: 1/3 m twinax copper

    • QSFP+ optics: SR4, LX4, ESR4, ER4, LR4

    • QSFP28 optics: SR4, ER4, PSM4, CWDM4, LR4

    Number of link aggregation groups (LAGs)

    80

    Number of ports per LAG

    64

    Layer 2 Features

    • STP—IEEE 802.1D (802.1D-2004)

    • Rapid Spanning Tree Protocol (RSTP) (IEEE 802.1w); MSTP (IEEE 802.1s)

    • Bridge protocol data unit (BPDU) protect

    • Loop protect

    • Root protect

    • RSTP and VSTP running concurrently

    • VLAN—IEEE 802.1Q VLAN trunking

    • Routed VLAN interface (RVI)

    • Port-based VLAN

    • Private VLAN (PVLAN)

    • VLAN translation

    • Static MAC address assignment for interface

    • Per VLAN MAC learning (limit)

    • MAC learning disable

    • Link Aggregation and Link Aggregation Control Protocol (LACP) (IEEE 802.3ad)

    • MACsec with AES256 (QFX5120-48YM only)

    • Virtual chassis—up to 2 members on QFX5120-48Y, QFX5120-32C and QFX5120-48T

    Layer 3 Features (IPv4)

    • Static routing

    • Routing protocols (RIP, OSPF, IS-IS, BGP)

    • Virtual Router Redundancy Protocol (VRRP)

    • Virtual router

    • Dynamic Host Configuration Protocol (DHCP) relay

    • Proxy Address Resolution Protocol (ARP)


    　        　

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