QFX5120-48Y-AFI, Juniper QFX5120 Switch, 48x25GbE/6x100GbE/Leaf-Spine
SKU: JNP:QFX5120-48Y-AFI · MPN: JNP:QFX5120-48Y-AFI · Category: Networking
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.
Specifications
| RAM | 16 GB |
|---|---|
| Model | QFX5120-48Y-AFI |
| Ports | 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28 |
| Subtype | 25 Gigabit Ethernet |
| 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 |
| 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 |
| Processor | 1 x Intel: 2.2 GHz |
| 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 |
| Device Type | Switch - 48 ports - L3 - managed - stackable |
| Performance | Switching capacity: 2 Tbps ¦ Switching capacity: 1.31 Bpps |
| Flash Memory | 64 GB |
| Power Device | Internal power supply - hot-plug |
| Installed Qty | 2 |
| Enclosure Type | Back to front airflow rack-mountable 1U |
| Power Provided | 650 Watt |
| Power Redundancy | Optional |
| 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 |
| Voltage Required | AC 120/230 V |
| 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 |
| Jumbo Frame Support | 9216 bytes |
| Encryption Algorithm | MD5 |
| Authentication Method | RADIUS, TACACS+, Secure Shell v.2 (SSH2) |
| MAC Address Table Size | 288K entries |
| Warranty | 3-Year Warranty |
Key Features
- OEM Genuine Component verified by certified technicians.
- Clean serial number ready for service contract registration.
- Electrostatic Discharge (ESD) safe packaging.
- Supports hot-swapping for zero-downtime maintenance.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this QFX5120-48Y-AFI, Juniper QFX5120 Switch, 48x25GbE/6x100GbE/Leaf-Spine (JNP:QFX5120-48Y-AFI) is 100% genuine OEM hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This QFX5120-48Y-AFI, Juniper QFX5120 Switch, 48x25GbE/6x100GbE/Leaf-Spine includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the QFX5120-48Y-AFI, Juniper QFX5120 Switch, 48x25GbE/6x100GbE/Leaf-Spine compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the JNP:QFX5120-48Y-AFI.
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