[shortdesc]

QFX5120
48 x 25G
8 x 100G
AC Power
1U
Back-to-front airflow

[/shortdesc]

[properties]

Properties	Juniper QFX5120-48Y-AFI
Description	QFX5120-48Y, 48x25GbE+8x100GbE, 1 U, AC airflow in
Product Family	QFX5120 Series
Product Type	Ethernet Switch
Dimensions (HxWxD) Inches	1.72 x 17.36 x 20.48 in. (4.37 x 44.09 x 52.02 cm)
Rack units	1 U
Weight	23.7 lb (10.75 kg)
Power Consumption	Max load: 272 W, Typical load: 247 W
Interface Options
1GbE SFP	48
40GbE QSFP+	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)
	- 2 management ports: 2 x RJ-45 ports - 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)
Rack Installation Kit	Versatile four post mounting options for 19-in server rack or datacom rack
Airflow	Back-to-front (airflow in) for cold aisle deployment Redundant (N+1) and hot-pluggable fan modules for 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 and hot-pluggable fan modules for back-to-front airflow

[/properties]

[specifications]

Specifications	QFX5120-48Y-AFI
CPU	2.2 GHz quad-core Intel CPU
Memory	16 GB
Storage	50 GB SSD
Switching Capacity	4 Tbps (bidirectional)/2 Bpps
Switching mode	Cut-through and store-and-forward
Total packet buffer	16 MB
MAC addresses per system	288,000
VLAN Ids	4,093
Number of link aggregation groups (LAGs)	80
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 multicast routes	52,000
IPv6 unicast routes	168,000 prefixes; 104,000 host routes
Address Resolution Protocol (ARP) entries	64,000
Jumbo frame	9,216 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 Specifications
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)
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 VLAN rewrite support in EVPN-VXLAN enterprise-style (EP-style) interfaces – vlan-id overlap in EP-style interfaces OISM - draft-ietf-bess-evpn-irb-mcast VLAN rewrite support in EVPN-VXLAN enterprise-style (EP-style) interfaces – vlan-id overlap in EP-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)
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
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
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
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 Analytics Platforms	Juniper Apstra for Data Center Juniper Mist Wired Assurance for Campus Junos Space® Network Director for Campus Paragon Insights
Traffic Mirroring	Port-based LAG port VLAN-based Filter-based Mirror to local Mirror to remote destinations (L2 over VLAN)
Device 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 Inband Flow Analyzer (IFA) ZTP OpenStack Neutron Plug-in Python Junos OS event, commit, and OP scripts Junos Telemetry Interface
Operating temperature	32° to 104° F (0° to 40° C)
Storage temperature	-40° to 158° F (-40° to 70° C)
Operating altitude	Up to 6000 ft (1829 m)
Relative humidity operating	5% to 90% (noncondensing)
Relative humidity non-operating	0% to 95% (noncondensing)
IEEE Standards	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) OISM - EVPN Optimized Inter-Subnet Multicast (OISM) Forwarding - draft-ietf-bess-evpn-irb-mcast IGMP and MLD Proxy for EVPN - draft-ietf-bess-evpn-igmp-mld-proxy 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 5549 - Advertising IPv4 Network Layer Reachability Information with an IPv6 Next Hop 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
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

[/specifications]

[accesories]

Accessories
JPSU-650W-AC-AI	AC Power supply unit, back-to-front airflow for QFX5120-48T-AFI and QFX5120-48Y-AFI2
QFX5110-FANAFI	Back-to-front airflow fan model for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM models
EX-4PST-RMK	4 post rack mount kit for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM models
EX-RMK	2 post rack mount kit for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM models
MACsec Encryption
S-QFX5KC1-MACSEC-1	Class C1 QFX5000, MACsec AES 256 Encryption Sub Software, Term: 1 Yr
S-QFX5KC1-MACSEC-3	Class C1 QFX5000, MACsec AES 256 Encryption Sub Software, Term: 3 Yrs
S-QFX5KC1-MACSEC-5	Class C1 QFX5000, MACsec AES 256 Encryption Sub Software, Term: 5 Yrs
S-QFX5KC1-MACSEC-P	Class C1 QFX5000, MACsec AES 256 Encryption Software, Perpetual
Flex Software
S-QFX5K-C1-A1-3	Flex Sub Software, Class 1 QFX5000 line, Adv 1, Term: 3 Yrs
S-QFX5K-C1-A1-5	Flex Sub Software, Class 1 QFX5000 line, Adv 1, Term: 5 Yrs
S-QFX5K-C1-A1-P	Flex Software, Class 1 QFX5000 line, Adv 1, Perpetual
S-QFX5K-C1-A2-3	Flex Sub Software, Class 1 QFX5000 line, Adv 2, Term: 3 Yrs
S-QFX5K-C1-A2-5	Flex Sub Software, Class 1 QFX5000 line, Adv 2, Term: 5 Yrs
S-QFX5K-C1-A2-P	Flex Software, Class 1 QFX5000 line, Adv 2, Perpetual
S-QFX5K-C1-P1-3	Flex Sub Software, Class 1 QFX5000 line, Prem 1, Term: 3 Yrs
S-QFX5K-C1-P1-5	Flex Sub Software, Class 1 QFX5000 line, Prem 1, Term: 5 Yrs
S-QFX5K-C1-P1-P	Flex Software, Class 1 QFX5000 line, Prem 1, Perpetual
S-QFX5K-C2-A1-3	Flex Sub Software, Class 2 QFX5000 line, Adv 1, Term: 3 Yrs
S-QFX5K-C2-A1-5	Flex Sub Software, Class 2 QFX5000 line, Adv 1, Term: 5 Yrs
S-QFX5K-C2-A1-P	Flex Software, Class 2 QFX5000 line, Adv 1, Perpetual
S-QFX5K-C2-A2-3	Flex Sub Software, Class 2 QFX5000 line, Adv 2, Term: 3 Yrs
S-QFX5K-C2-A2-5	Flex Sub Software, Class 2 QFX5000 line, Adv 2, Term: 5 Yrs
S-QFX5K-C2-A2-P	Flex Software, Class 2 QFX5000 line, Adv 2, Perpetual
S-QFX5K-C2-P1-3	Flex Sub Software, Class 2 QFX5000 line, Prem 1,

QFX5120

Juniper QFX5120 Switches

JUNIPER QFX5120-48Y-AFI SWITCH

JUNIPER QFX5120-48Y-AFI SWITCH