Juniper QFX5110-48S-AFI2 Switches Overview
Juniper QFX5110-48S-AFI2 Switches is a genuine data-center switching fabric product from Juniper, a specialist in high-performance routing and switching, trusted in service-provider and large-enterprise networks. Belonging to the Juniper family, the Juniper QFX5110-48S-AFI2 unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is built for high-density data-center and cloud environments, where low latency, high availability and consistent forwarding matter most.
From a specification standpoint, it offers 32 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Juniper hardware already running in the environment.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “48 SFP+ and 4 QSFP28, back to front air flow, AC”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the Juniper QFX5110-48S-AFI2. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned Juniper QFX5110-48S-AFI2
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
QFX5110-48S-AFI2 Specification | |
Dimensions (W x H x D) | 1.72 x17.36 x 20.48 in (4.37 x 44.09 x 52.02 cm) |
Rack units | 1 U |
Weight | 23 lb (10.43 kg) |
Operating system | Junos OS |
CPU | 1.8 GHz quad-core Intel CPU |
Power | * AFO/AFI: Max load: 300 W, Typical load: 195 W, Idle load: 150 W * Dual redundant (1+1) and hot-pluggable power supplies * 110-240 V single phase AC power * -36 to -72 V DC power |
Cooling | * 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 |
Total packet buffer | 16 MB |
Warranty | Juniper standard one-year warranty |
System Throughput | Up to 1.76 Tbps (bidirectional) |
Forwarding Capacity | 1.32 Bpps |
Interface Options
| * 1GbE SFP: 48 (24 copper 1GbE) * 10GbE SFP+: 48/64 (with breakout cable) * 40GbE QSFP+: 4 * 100GbE QSFP28: 4 |
Other Interface Notes
| * Each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port * Each QSFP28 port can be configured as a 4 x 10GbE interface a 40 Gbps port or as a 100 Gbps port * 1 USB 2.0 port * 1 RS-232 console port * 2 management ports: 2x SFP fiber ports or 1x RJ-45 and 1x copper SFP ports * Supported transceiver and direct attach cable * SFP+ 10GbE optical modules * SFP+ DAC cables: 1/3/5 m twinax copper and 1/3/5/7/10 m active twinax copper * SFP GbE optical and copper module * QSFP+ DAC cables: 1/3/5 m twinax copper and 7/10 m active twinax copper * QSFP+ AOC cables: 1/3/5/7/10/15/20/30 m cable * QSFP+ Optics: SR4, LX4, ESR4, IR, LR4 * QSFP+ to SFP+ 10GbE direct attach breakout copper (1/3/10 m twinax copper and 5/7 m active twinax copper cable) * QSFP28 Optics: SR4, CWDM4, LR4 * QSFP28 AOC: 10 m cable |
MAC addresses per system | 288,000 |
VLAN IDs | 4,093 |
Number of link aggregation groups (LAGs) | 104 |
Number of ports per LAG | 32 |
Firewall filters (ingress / egress) | 6,142 / 1,022 |
IPv4 unicast routes | 128,000 prefixes; 208,000 host routes; 64 ECMP paths |
IPv4 multicast routes | 104,000 |
IPv6 unicast routes | 84,000 |
IPv6 multicast routes | 52,000 |
ARP entries | 48,000 |
Jumbo frame | 9,216 bytes |
Spanning Tree Protocol (STP) | * Multiple Spanning Tree Protocol (MSTP) Instances: 64 * VLAN Spanning Tree Protocol (VSTP) Instances: 253 |
Traffic mirroring | * Mirroring destination ports per switch: 4 * Maximum number of mirroring sessions: 4 * Mirroring destination VLANs per switch: 4 |
Operating temperature | 32° to 104° F (0° to 40° C) |
Storage temperature | -40° to 158° F (-40° to 70° C) |
Operating altitude | Up to 2,000 ft (610 m) |
Relative humidity operating | Operating: 5% to 90% (noncondensing) |
Relative humidity non-operating | Non-operating: 0% to 95% (noncondensing) |
Juniper QFX5110-48S-AFI2 - Deployment Notes
This Juniper QFX5110-48S-AFI2 switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this Juniper QFX5110-48S-AFI2 variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
