JUNIPER QFX5120-48Y-AFI 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100

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QFX5120-48Y-AFI

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Description

QFX5120-48Y-AFI-New Overview

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 deployments.

Quick spec of QFX5120-48Y-AFI-New

Model: QFX5120-48Y-AFI
Device Type: Switch - 48 ports - L3 - managed - stackable
Enclosure Type: Back to front airflow rack-mountable 1U
Subtype: 25 Gigabit Ethernet
Ports: 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
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 entries
Jumbo Frame Support: 9216 bytes
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)
Features: 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
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
Flash Memory: 64 GB
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: 2
Power Redundancy: Optional
Power Redundancy Scheme: 1+1
Power Provided: 650 Watt
Voltage Required: AC 120/230 V
Power Consumption Operational: 260 Watt
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

QFX5120-48Y-AFI-New Specification

Model:QFX5120-48Y-AFI
Device Type:Switch - 48 ports - L3 - managed - stackable
Enclosure Type:Back to front airflow rack-mountable 1U
Subtype:25 Gigabit Ethernet
Ports:48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
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 entries
Jumbo Frame Support:9216 bytes
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)
Features: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
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
Flash Memory:64 GB
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:2
Power Redundancy:Optional
Power Redundancy Scheme:1+1
Power Provided:650 Watt
Voltage Required:AC 120/230 V
Power Consumption Operational:260 Watt
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

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Juniper QFX5120-48Y-AFO 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit

Juniper

$5,555.00

Juniper QFX5120-48Y-AFO 48x 25GB SFP+ 8x 100GB QSFP28 F-B Air Switch QFX5120-48Y-AFO-Ref Overview The QFX5120 Switch delivers rich, low latency Layer 2/Layer 3 features and advanced EVPN-VXLAN cap

Product Overview QFX5120-48Y-AFO
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 aggregation 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.

Product Description
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 core deployments.

Product Options
The QFX5120 Switch includes four compact 1 U platforms—the QFX5120-48Y, the QFX5120-48YM, the QFX5120-48T, and the QFX5120-32C—that provide wire-speed packet performance, very low latency, and a rich set of Junos® operating system features.

QFX5120-48Y
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 550 nanoseconds
A 2.2 GHz quad-core Intel CPU with 16 GB memory and 50 GB SSD storage
Using breakout cables, each of the eight 100GbE QSFP28 ports can be broken into four 25GbE SFP28 ports, while each 40GbE quad small form-factor pluggable plus (QSFP+) transceiver ports can be broken into four 10GbE small form-factor pluggable plus (SFP+) transceiver ports, increasing the total number of supported 25GbE and 10GbE ports per switch to 80.

QFX5120-48YM
The QFX5120-48YM is a 10GbE/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 550 nanoseconds
Media Access Control Security (MACsec) AES-256 support across all ports
A 2.9 GHz quad-core Intel CPU with 16 GB memory and 100 GB SSD storage
When using breakout cables, two of the 100GbE QSFP28 ports (ports 50 and 52) can be broken into four 25GbE SFP28 or four 10GbE SFP+ ports, increasing the maximum number of 10GbE/25GbE ports supported to 56. When using breakouts, the total number of all ports on the switch, including 6x100GbE ports and 56x10/25GbE, is 62.

QFX5120-48T
The QFX5120-48T is a 10GbE/100GbE data center leaf and campus distribution switch featuring:

48 dual-speed 1GbE/10GbE RJ-45 copper downlink ports
Six dual-speed 100GbE (QSFP28)/40GbE (QSFP+) uplink ports
Up to 2.16 Tbps L2 and L3 performance (bidirectional), with latency as low as 550 nanoseconds
A 2.2 GHz quad-core Intel CPU with 16 GB memory and 100 GB SSD storage
Using breakout cables, each 100GbE QSFP28 port can be broken into four 25GbE SFP28 ports, while each 40GbE QSFP+ port can be broken into four 10GbE SFP+ ports, increasing the total number of 25GbE and 10GbE ports per switch to 72.

QFX5120-32C
The QFX5120-32C is a compact 100GbE data center leaf-and-spine and campus distribution switch featuring:

32 100GbE (QSFP28) or 40GbE (QSFP+) uplink ports
A 2.2 GHz quad-core Intel CPU with 16 GB memory and 64 GB SSD storage
Up to 6.4 Tbps L2 and L3 performance (bidirectional), with latency as low as 550 nanoseconds
Using breakout cables, each 100GbE QSFP28 port can be broken into four 25GbE SFP28 ports and each 40GbE QSFP+ port can be broken into four 10GbE SFP+ ports, increasing the total number of 25GbE and 10GbE ports per switch to 128.

In addition, all QFX5120 switch models include:

Support for VXLAN as an L2 or L3 gateway
Advanced Junos OS features such as Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN), BGP add-path, L3 VPN, and MPLS
Feature-rich automation capabilities with support for Python and zero-touch provisioning (ZTP)
Junos OS
The high-performance QFX5120 Switch runs Junos OS, Juniper’s powerful and robust network operating system that powers all Juniper switches, routers, and firewalls. Key Junos OS features that enhance the functionality and capabilities of the QFX5120 include:

Software modularity, with process modules running independently in their own protected memory space and with the ability to do process restarts
Uninterrupted routing and forwarding, with features such as nonstop active routing (NSR) and nonstop bridging (NSB)
Commit and rollback functionality that ensures error-free network configurations
A powerful set of scripts for on-box problem detection, reporting, and resolution
Data Center Deployments
Data centers demand high-speed, low-latency, storage- and I/O-converged networking solutions that maximize performance for physical servers, virtual servers, and storage. The QFX5120 Switch addresses these issues with low-latency, lossless, high-density 10GbE, 25GbE, and 100GbE interfaces on a compact 1 U platform. In addition, the QFX5120 offers EVPN-VXLAN L2 and L3 gateway support, making it an ideal solution for either edge routed or centrally routed overlay deployments in the data center. The QFX5120 also supports flexible back-to-front and front-to-back airflow cooling options, ensuring consistency with server designs for hot-aisle or cold-aisle deployments.

Data Center Server Access
The QFX5120-48Y and QFX5120-48YM support tri-speed 1GbE/10GbE/25GbE, making them a perfect fit for top-of-rack deployments. The 48 ports of native 10GbE/25GbE for server connectivity, plus up to eight 40GbE or 100GbE ports for uplink connectivity, provide very low oversubscription of 1.5:1 from access to aggregation.

The QFX5120-48T supports dual-speed 1GbE/10GbE, also making it a perfect fit for top-of-rack deployments. The 48 native 10GbE RJ-45 copper ports for server connectivity, plus up to six 40GbE or 100GbE ports for uplink connectivity, provide unsubscribed (0.8:1) access-to-aggregation ratio.

The QFX5120-32C can also be used for high-density 25GbE server connectivity, with an option to break out the 100GbE ports into four 25GbE ports.

In Figure 1, the QFX5120 is deployed as a leaf acting as an edge-routed gateway. In this topology, the VXLAN tunnel encapsulation and decapsulation take place on the QFX5120 leaf switches, while Juniper Networks QFX5200-32C or Juniper Networks QFX5210-64C spine switches are used for IP transit. Juniper Networks QFX5110-32Q switches can also be used in the spine to build a 40GbE fabric.

Figure 1: Edge-routed bridging at the leaf with QFX5200-32C/QFX5210-64C as spine switches
In Figure 2, the QFX5120-48YM leaf and Juniper Networks QFX10008 Switch spine are deployed as EVPN-VXLAN switches acting as centrally routed gateways or distributed edge routed gateways. If centrally routed bridging is used, the VXLAN tunnel encapsulation and decapsulation occur on the spine switches for inter-IRB (integrated routing and bridging) symmetric routing purposes. If edge routed bridging is used, the IP first hop gateways are distributed at the leaf-level QFX5120-48YM switches using Type 5 symmetric inter-IRB routing. When using a QFX10000-30C-M MACsec line card installed in a spine QFX10008 Switch working with a leaf QFX5120-48YM switch, the leaf-to-spine architecture offers end-to-end MACsec AES-256 capabilities.

Figure 2: QFX5120-48T and QFX5120-48Y/48YM in a leaf-and-spine deployment
Data Center Spine
The QFX5120-32C, with 32 ports of 100GbE, can serve as the spine in small to medium-sized enterprise data centers. The QFX5120-32C can be deployed in a three-stage IP Clos with EVPN-VXLAN overlay to support as many as 1500 server access ports. The QFX5120-48Y/QFX5120-48YM and QFX5120-32C can also be used as a collapsed spine data center deployment, offering Ethernet segment identifier-link aggregation group (ESI-LAG) connectivity to the rest of the network infrastructure blocks.

All QFX5120 switches can operate in both cut-through and store-and-forward modes, delivering sustained wire-speed switching with sub-microsecond latency and low jitter for any packet size (including jumbo frames) in either mode. With features such as multichassis link aggregation (MC-LAG), the QFX5120 supports active/active server dual-homing and can use full bisectional bandwidth from server to switch.

Equipped with Junos OS, the QFX5120 supports the most advanced and robust routing capabilities in the industry, OSPF for both IPv4 and IPv6, as well as advanced routing capabilities such as IS-IS and BGP. With additional capabilities such as 64-way equal-cost multipath (ECMP) and BGP add path, the QFX5120 is an ideal building block for deploying the most robust L3 underlay for SDN.

Campus Deployments
The QFX5120-48Y and QFX5120-48YM are ideal as campus distribution switches with 10GbE/25GbE downlinks and 40GbE/100GbE uplinks supporting technologies like MC-LAG and EVPN multihoming.

The QFX5120-32C is ideal as a campus core switch with 32 ports of 100GbE and support for technologies like campus fabric core-distribution.

The QFX5120-48T supports dual-speed 1GbE/10GbE, also making it a perfect fit for top-of-rack deployments in campus environments for server connectivity.

MC-LAG and EVPN Multihoming (Collapsed Core/Distribution)
A pair of interconnected QFX5120 switches can be deployed to provide EVPN multihoming (ESI-LAG) or multichassis link aggregation (MC-LAG) in a collapsed core/distribution configuration. This eliminates the need for Spanning Tree Protocol (STP) across the campus network by providing multihoming capabilities from the access to the distribution layer, while distribution to the core is an L3 IP fabric. ESI-LAG also supports horizontal scaling with more than two devices in the distribution layer and can extend EVPN to the core.

Figure 3: QFX5120 as a campus collapsed core/distribution switch with EVPN multihoming (ESI-LAG) and MC-LAG support.

Figure 4: QFX5120 as a campus distribution switch with EVPN-VXLAN L2/L3 gateway support.
Campus Fabric Core-Distribution
A pair of interconnected QFX5120 switches can provide EVPN L2 and L3 VXLAN gateway support. This eliminates the need for STP across the campus network by providing a multihoming capability from the access to the distribution layer, while distribution to the core is an L3 IP fabric using EVPN technology. The IP fabric can also extend to connect multiple enterprise buildings, while VXLAN allows stretching L2 across buildings. An IP Clos network between the distribution and the core layers can exist in two modes, both of which are supported by the QFX5120:

Centrally routed bridging overlay: An IRB interface placed at a central location in the fabric (in this case, a core device)
Edge routed bridging overlay: An IRB interface placed at the edge of the fabric (in this case, a distribution device)
Features and Benefits
Automation: The QFX5120 supports a number of network automation and plug-and-play operational features, including ZTP and event scripts, automatic rollback, and Python scripting.
Flexible forwarding table: The QFX5120 includes a unified forwarding table, which allows the hardware table to be carved into configurable partitions of L2 media access control (MAC), L3 host, and longest prefix match (LPM) tables. In a pure L2 environment, the QFX5120 supports 288,000 MAC addresses. In L3 mode, the table can support 208,000 host entries. In LPM mode, it can support 351,000 prefixes. Junos OS provides configurable options through a CLI that can optimize the QFX5120 for various deployment scenarios.
Intelligent buffer management: The QFX5120 features a total of 32 MB of shared buffers. While 25% of the total buffer space is dedicated, the rest is shared among all ports and is user configurable. The intelligent buffer mechanism in the QFX5120 effectively absorbs traffic bursts while providing deterministic performance, significantly increasing performance over static allocation.
MPLS: A broad set of MPLS features, including L3 VPN, IPv6 provider edge router (6PE), RSVP traffic engineering, and LDP allow standards-based network segmentation and virtualization, enabling the QFX5120 to be deployed as a low latency MPLS label-switching router (LSR).
VXLAN overlays: The QFX5120 switch is capable of both L2 and L3 gateway services. Customers can deploy overlay networks to provide L2 adjacencies for applications over L3 fabrics. The overlay networks use VXLAN in the data plane and EVPN or Open vSwitch Database (OVSDB) for programming the overlays.
MACsec and hop-by-hop encryption: The QFX5120-48YM supports IEEE 802.1AE MACsec AES-256, providing link-layer data confidentiality, data integrity, and data origin authentication. The MACsec feature enables the QFX5120-48YM to support 2 Tbps of near line-rate hardware-based traffic encryption on all 100GbE, 40GbE, 25GbE, 10GbE, and 1GbE ports. Defined by IEEE 802.1AE, MACsec provides secure, encrypted communication at the link layer that is capable of identifying and preventing threats from denial-of-service (DoS) and intrusion attacks, as well as man-in-the-middle, masquerading, passive wiretapping, and playback attacks launched from behind the firewall. When MACsec is deployed on switch ports, all traffic is encrypted on the wire, but traffic inside the switch is not. This allows the switch to apply network capabilities such as quality of service (QoS) and sFlow to each packet without compromising the security of packets on the wire.

Figure 5: Juniper HealthBot overview
In addition, Ethernet-based WAN networks can use MACsec to provide link security over long haul connections. MACsec is transparent to Layer 3 and higher layer protocols and is not limited to IP traffic; it works with any type of wired or wireless traffic carried over Ethernet links.

Virtual Chassis: The QFX5120 supports Juniper Networks unique Virtual Chassis technology, which enables up to four interconnected switches to operate as a single, logical device with a single IP address. This technology allows campus enterprises to eliminate STP and efficiently utilize network links.
Junos Telemetry Interface
The QFX5120 supports Junos telemetry interface (JTI), a modern telemetry streaming tool designed for performance monitoring in complex, dynamic data centers. Streaming data to a performance management system enables network administrators to measure trends in link and node utilization and troubleshoot such issues as network congestion in real time. JTI delivers the following features:

Application visibility and performance management by provisioning sensors to collect and stream data and analyze application and workload flow paths through the network
Capacity planning and optimization by proactively detecting hotspots and monitoring latency and microbursts
Troubleshooting and root cause analysis via high-frequency monitoring and correlation of overlay and underlay networks
Monitoring and Analytics with Juniper HealthBot Software
Juniper® HealthBot software delivers the following features and benefits for enhanced monitoring and analytics:

Key performance indicator collection and visualization
Anomaly detection
Root cause analysis
Automated remediation
Multivendor support
Customizable playbooks
JTI telemetry

QFX5120 Switch Specifications
Hardware
Switching Capacity
QFX5120-48Y: 4 Tbps (bidirectional)/1.31 Bpps
QFX5120-48YM: 4 Tbps (bidirectional)/1.31 Bpps
QFX5120-48T: 2.16 Tbps (bidirectional)/1001.7 Mpps
QFX5120-32C: 6.4 Tbps (bidirectional)/2 Bpps
Switching mode (all models): Cut-through and store-and-forward
Weight
QFX5120-48Y: 23.7 lb (10.75 kg)
QFX5120-48YM: 24.8 lb (11.25 kg)
QFX5120-48T: 24.25 lb (11 kg)
QFX5120-32C: 21.12 lb (9.58 kg)
Dimensions (H x W x D)
QFX5120-48Y: 1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)
QFX5120-48YM: 1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)
QFX5120-48T: 1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)
QFX5120-32C: 1.7 x 17.26 x 20.27 in. (4.32 x 43.84 x 51.5 cm)
Power Consumption
QFX5120-48Y
Max load: 450 W
Typical load: 260 W
QFX5120-48YM
Max load: 650 W
Typical load: 550 W
QFX5120-48T
Max load: 450 W
Typical load: 300 W
QFX5120-32C
Max load: 515 W
Typical load: 380 W
Airflow
Front-to-back (airflow out) for hot aisle deployment
Back-to-front (airflow in) for cold aisle deployment
Interface Options
QFX5120-48Y
2 management ports: 2 x RJ-45 ports
1GbE SFP: 48 (24 copper 1GbE)
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)
QFX5120-48YM
2 management ports: 2 x RJ-45 ports
1GbE SFP: 48
10GbE SFP+: 48/56 (total of 56 ports with breakout cable on port 50 and 52)
25GbE SFP: 48/56 (total of 56 ports with breakout cable on port 50 and 52)
40GbE QSFP+: 8 (QSFP+ port 50 and 52 can be configured as a 4 x 10GbE interface or as a 40 Gbps port)
100GbE QSFP28: 8 (QSFP28 port 50 and 52 can be configured as a 4 x 25GbE interface or as a 100 Gbps port)
SFP GbE optical
SFP+ 10GbE optical modules
SFP+ 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)
QFX5120-48T
1 management port: 1 x RJ-45 port
1GbE RJ45 (copper): 48 (each port is dual-speed supporting 1GbE/10GbE)
40GbE QSFP+: 6 (ports 50 and 51 can be configured as a 4 x 10GbE interface or as 40 Gbps interfaces)
100GbE QSFP28: 6 (ports 50 and 51 can be configured as a 4 x 25GbE interface or as 100 Gbps interfaces)
QFX5120-32C
1 RJ-45 in-band management port
10GbE SFP+: 2 native ports plus 124 (with 4 x 10GbE breakout cable)
25GbE SFP: 124 (with breakout cable)
40GbE QSFP+: 32 (ports 0-31 can be configured as a 4 x 10GbE interface)
100GbE QSFP28: 32 (ports 0-31 can be configured as a 4 x 25GbE interface)
SFP GbE optical and copper module
SFP+ 10GbE optical modules
SFP+ 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: SR, LR
QSFP+ to SFP+: 10GbE direct attach breakout copper (1/3 m twinax copper cable)
Common to All Models
1 USB 2.0 port
1 RS-232 console port
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
Rack installation kit
Versatile four post mounting options for 19-in server rack or datacom rack
Airflow
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
Power Supply and Fan Modules
Dual redundant (1+1) and hot-pluggable 650 W AC/DC power supplies
100-240 V single phase AC power
-48 to -60 V DC power supply
Redundant 4+1 (QFX5120-48Y/YM and QFX5120-48T) or 5+1 (QFX5120-32C) and hot-pluggable fan modules for front-to- back or back-to-front airflow
Performance Scale (Unidimensional)
MAC addresses per system: 288,000
VLAN IDs: 4093
Number of link aggregation groups (LAGs):
80 (QFX5120-48Y/YM, QFX5120-32C)
64 (QFX5120-48T)
Number of ports per LAG: 64
IPv4 unicast routes: 351,000 prefixes; 208,000 host routes; 64 ECMP paths
IPv4 multicast routes: 104,000
IPv6 unicast routes: 168,000 prefixes; 104,000 host routes
IPv6 multicast routes: 52,000
Address Resolution Protocol (ARP) entries: 64,000
Jumbo frame: 9216 bytes
Spanning Tree Protocol (STP)
Multiple Spanning Tree Protocol (MSTP) instances: 64
VLAN Spanning Tree Protocol (VSTP) instances: 509
Traffic mirroring
Mirroring destination ports per switch: 4
Maximum number of mirroring sessions: 4
Mirroring destination VLANs per switch: 4
Software Features Supported
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 4 members
Link Aggregation
MC-LAG
LAG load sharing algorithm—bridged or routed (unicast or multicast) traffic
IP: Session Initiation Protocol (SIP), Dynamic Internet Protocol (DIP), TCP/UDP source port, TCP/UDP destination port
Layer 2 and non-IP: MAC SA, MAC DA, Ethertype, VLAN ID, source port
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)
EVPN-VXLAN Features
MAC virtual routing and forwarding (MAC-VRF) multiple EVPN instances (EVI) with service-types vlan-based, vlan-aware, vlan-bundle
Symmetric inter-IRB routing with anycast gateway and EVPN type-5 instances
Proxy IGMPv2—EVPN route types 6/7/8
ARP/ND proxy/suppression
ESI-LAG A/A multihoming using Enterprise and SP-style interfaces
Enhanced Ethernet loop detection
Filter-based forwarding on IRB.VGA
EVPN advanced route policing
VLAN-id overlapping using SP-style interfaces
Multicast Features
Internet Group Management Protocol (IGMP): v1, v2, v3
IGMP snooping: v1, v2, and v3 (Layer 2 only)
IGMP filter
Protocol Independent Multicast-Sparse Mode (PIM-SM), PIM-Source-Specific Multicast (PIM-SSM), PIM-Dense Mode (PIM-DM) in pure IP fabric use case
Multicast Source Discovery Protocol (MSDP)
Security and Filters
Secure interface login and password
RADIUS
TACACS+
Ingress and egress filters: Allow and deny, port filters, VLAN filters, and routed filters, including management port filters
Filter actions: Logging, system logging, reject, mirror to an interface, counters, assign forwarding class, permit, drop, police, mark
SSH v1, v2
Static ARP support in pure IP fabric
Storm control, port error disable, and autorecovery
Source MAC address filtering on the port
DHCP snooping in pure IP fabric use case
Quality of Service (QoS)
L2 and L3 QoS: Classification, rewrite, queuing
Rate limiting:
Ingress policing: Single-rate two-color policer, two-rate three-color policer
Egress policing: Policer, policer mark down action
Egress shaping: Per queue on each port
10 hardware queues per port (8 unicast and 2 multicast)
Strict-priority queue (SPQ), shaped-deficit weighted round-robin (SDWRR), weighted random early detection (WRED), weighted tail drop
802.1p remarking
Layer 2 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN
Congestion avoidance capabilities: WRED
Trust IEEE 802.1p (ingress)
Remarking of bridged packets
Default inner to outer DiffServ code point (DSCP) copy for EVPN-VXLAN
IP Storage
Priority-based flow control (PFC)—IEEE 802.1Qbb, DCBX
PFC using DSCP and explicit congestion notification (ECN) for ROCEv2
High Availability
Bidirectional Forwarding Detection (BFD)
Uplink failure detection
MPLS
Static label-switched paths (LSPs)
RSVP-based signaling of LSPs
LDP-based signaling of LSPs
LDP tunneling (LDP over RSVP)
MPLS class of service (CoS)
MPLS LSR support
IPv6 tunneling (6PE) (via IPv4 MPLS backbone)
IPv4 L3 VPN (RFC 2547, RFC 4364)
Management and Operations
Role-based CLI management and access
CLI via console, telnet, or SSH
Extended ping and traceroute
Junos OS configuration rescue and rollback
Image rollback
SNMP v1/v2/v3
Junos XML management protocol
sFlow v5
Beacon LED for port and system
ZTP
OpenStack Neutron Plug-in
Python
Junos OS event, commit, and OP scripts
JTI
Traffic Mirroring
Port-based
LAG port
VLAN-based
Filter-based
Mirror to local
Mirror to remote destinations (L2 over VLAN)
Standards Compliance
IEEE Standard
IEEE 802.1D
IEEE 802.1w
IEEE 802.1
IEEE 802.1Q
IEEE 802.1p
IEEE 802.1ad
IEEE 802.3ad
IEEE 802.1AB
IEEE 802.3x
IEEE 802.1Qbb
IEEE 802.1Qaz
T11 Standards
INCITS T11 FC-BB-5
Supported RFCs
RFC 768 UDP
RFC 783 Trivial File Transfer Protocol (TFTP)
RFC 791 IP
RFC 792 ICMP
RFC 793 TCP
RFC 826 ARP
RFC 854 Telnet client and server
RFC 894 IP over Ethernet
RFC 903 RARP
RFC 906 TFTP Bootstrap
RFC 951 1542 BootP
RFC 1058 Routing Information Protocol
RFC 1112 IGMP v1
RFC 1122 Host requirements
RFC 1142 OSI IS-IS Intra-domain Routing Protocol
RFC 1256 IPv4 ICMP Router Discovery Protocol (IRDP)
RFC 1492 TACACS+
RFC 1519 Classless Interdomain Routing (CIDR)
RFC 1587 OSPF not-so-stubby area (NSSA) Option
RFC 1591 Domain Name System (DNS)
RFC 1745 BGP4/IDRP for IP—OSPF Interaction
RFC 1772 Application of the Border Gateway Protocol in the Internet
RFC 1812 Requirements for IP Version 4 Routers
RFC 1997 BGP Communities Attribute
RFC 7348 VXLAN—Virtual extensible Local Area Network
RFC 8365 NVO—Network Virtualization Overlay Solution Using Ethernet VPN (EVPN-VXLAN)
RFC 2030 SNTP, Simple Network Time Protocol
RFC 2068 HTTP server
RFC 2131 BOOTP/DHCP relay agent and Dynamic Host
RFC 2138 RADIUS Authentication
RFC 2139 RADIUS Accounting
RFC 2154 OSPF with Digital Signatures (Password, MD-5)
RFC 2236 IGMP v2
RFC 2267 Network ingress filtering
RFC 2328 OSPF v2 (edge mode)
RFC 2338 VRRP
RFC 2362 PIM-SM (edge mode)
RFC 2370 OSPF Opaque LSA Option
RFC 2385 Protection of BGP Sessions via the TCP MD5 Signature Option
RFC 2439 BGP Route Flap Damping
RFC 2453 RIP v2
RFC 2474 Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
RFC 2597 Assured Forwarding PHB (per-hop behavior) Group
RFC 2598 An Expedited Forwarding PHB
RFC 2697 A Single Rate Three Color Marker
RFC 2698 A Two Rate Three Color Marker
RFC 2796 BGP Route Reflection—An Alternative to Full Mesh IBGP
RFC 2918 Route Refresh Capability for BGP-4
RFC 3065 Autonomous System Confederations for BGP
RFC 3376 IGMP v3 (source-specific multicast include mode only)
RFC 3392 Capabilities Advertisement with BGP-4
RFC 3446 Anycast RP
RFC 3569 SSM
RFC 3618 MSDP
RFC 3623 Graceful OSPF Restart
RFC 4271 Border Gateway Protocol 4 (BGP-4)
RFC 4360 BGP Extended Communities Attribute
RFC 4456 BGP Route Reflection: An Alternative to Full Mesh Internal BGP (IBGP)
RFC 4486 Subcodes for BGP Cease Notification Message
RFC 4724 Graceful Restart Mechanism for BGP
RFC 4812 OSPF Restart Signaling
RFC 4893 BGP Support for Four-octet AS Number Space
RFC 5176 Dynamic Authorization Extensions to RADIUS
RFC 5396 Textual Representation of Autonomous System (AS) Numbers
RFC 5668 4-Octet AS Specific BGP Extended Community
RFC 5880 Bidirectional Forwarding Detection (BFD) Dynamic Host Configuration Protocol (DHCP) server
Supported MIBs
RFC 1155 SMI
RFC 1157 SNMPv1
RFC 1212, RFC 1213, RFC 1215 MIB-II, Ethernet-Like MIB and TRAPs
RFC 1850 OSPFv2 MIB
RFC 1901 Introduction to Community-based SNMPv2
RFC 2011 SNMPv2 for Internet Protocol using SMIv2
RFC 2012 SNMPv2 for the Transmission Control Protocol using SMIv2
RFC 2013 SNMPv2 for the User Datagram Protocol using SMIv2
RFC 2233 The Interfaces Group MIB using SMIv2
RFC 2287 System Application Packages MIB
RFC 2570 Introduction to Version 3 of the Internet-standard Network Management Framework
RFC 2571 An Architecture for describing SNMP Management Frameworks (read-only access)
RFC 2572 Message Processing and Dispatching for the SNMP (read-only access)
RFC 2576 Coexistence between SNMP Version 1, Version 2, and Version 3
RFC 2578 SNMP Structure of Management Information MIB
RFC 2579 SNMP Textual Conventions for SMIv2
RFC 2580 Conformance Statements for SMIv2
RFC 2665 Ethernet-like Interface MIB
RFC 2787 VRRP MIB
RFC 2790 Host Resources MIB
RFC 2819 RMON MIB
RFC 2863 Interface Group MIB
RFC 2932 IPv4 Multicast MIB
RFC 3410 Introduction and Applicability Statements for Internet Standard Management Framework
RFC 3411 An Architecture for Describing SNMP Management Frameworks
RFC 3412 Message Processing and Dispatching for the SNMP
RFC 3413 Simple Network Management Protocol (SNMP) Applications (all MIBs are supported except the Proxy MIB)
RFC 3414 User-based Security Model (USM) for version 3 of SNMPv3
RFC 3415 View-based Access Control Model (VACM) for the SNMP
RFC 3416 Version 2 of the Protocol Operations for the SNMP
RFC 3417 Transport Mappings for the SNMP
RFC 3418 Management Information Base (MIB) for the SNMP
RFC 3584 Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard Network Management Framework
RFC 3826 The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User-based Security Model
RFC 4188 Definitions of Managed Objects for Bridges
RFC 4318 Definitions of Managed Objects for Bridges with Rapid Spanning Tree Protocol
RFC 4363b Q-Bridge VLAN MIB
Approvals
Safety
CAN/CSA-C22.2 No. 62368-1-14 Information Technology Equipment—Safety
UL 62368-1 Information Technology Equipment—Safety
EN 62368-1: 2014 Information Technology Equipment—Safety
IEC 62368-1: 2014 2nd Edition Information Technology Equipment—Safety (All country deviations): CB Scheme
IEC 60950-1:2005/A2:2013 Information Technology Equipment—Safety (All country deviations): CB Scheme
EMC
EN 300 386 V1.6.1 (2012-09) Electromagnetic compatibility and radio spectrum matters (ERM) Telecommunication network equipment
EN 300 386 V2.1.1 (2016-07) Telecommunication network equipment; EMC requirements; Harmonized Standard covering the essential requirements of the Directive 2014/30/EU
EN 55032:2012 (CISPR 32:2012) Electromagnetic compatibility of multimedia equipment—Emission requirements
EN 55024:2010 (CISPR 24:2010) Information technology equipment—immunity characteristics—limits and methods of measurement
IEC/EN 61000 Immunity Test
AS/NZS CISPR 32:2015 Australia/New Zealand Radiated and Conducted Emissions
FCC 47 CFR Part 15 USA Radiated and Conducted Emissions
ICES-003 Canada Radiated and Conducted Emissions
VCCI-CISPR 32:2016 Japanese Radiated and Conducted Emissions
BSMI CNS 13438 Taiwan Radiated and Conducted Emissions (at 10 meters)
KN32/KN35 Korea Radiated Emission and Immunity Characteristics (at 10 meters)
KN61000 Korea Immunity Test
TEC/SD/DD/EMC-221/05/OCT-16 India EMC standard — Add to Cart

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