Q
What is the Juniper QFX5100 Series Switch?
A
The Juniper QFX5100 Series is a high-performance, low-latency, fixed-configuration switch series designed for data center and campus networks, offering 10/40/100 GbE connectivity.
Q
Which port configurations are available in the QFX5100 Series?
A
Models include 48 × 10 GbE SFP+ with 6 × 40 GbE QSFP+ uplinks, 48 × 10 GbE SFP+ with 6 × 100 GbE QSFP28 uplinks, and a 30-port 100 GbE QSFP28 version for flexible top-of-rack and spine deployments.
Q
What is the switching capacity and forwarding performance of QFX5100 switches?
A
Non-blocking capacity up to 1.44 Tbps and forwarding rate up to 1.08 Bpps deliver wire-speed performance across all ports.
Q
Which Junos OS features are supported on the QFX5100 Series?
A
The QFX5100 runs Junos OS, supporting Layer 2/3 protocols, EVPN/VXLAN, MPLS, BGP, OSPF, Segment Routing, sFlow, and automation via NETCONF, REST, and Ansible.
Q
How does the QFX5100 Series support network virtualization?
A
With hardware-based VXLAN/EVPN, Q-in-Q tunneling, and VLAN tagging, the QFX5100 Series enables scalable multi-tenant overlays and microsegmentation.
Q
Can I deploy QFX5100 switches in a Virtual Chassis configuration?
A
Yes, QFX5100 Series supports Juniper Virtual Chassis technology, allowing up to 10 switches to operate as a single logical device for simplified management and scalability.
Q
What security features are available on the QFX5100 Series?
A
It offers MACsec encryption, access control lists, port security, RADIUS/TACACS+ authentication, SSH, SNMPv3, and Role-Based Access Control to secure network traffic and management.
Q
How does the QFX5100 optimize latency and performance?
A
Featuring cut-through forwarding and hardware acceleration, the QFX5100 delivers ultra-low latency under 650 ns and sustained line-rate throughput.
Q
What management and automation tools support QFX5100 switches?
A
Manage with Junos CLI, Junos Space, Juniper Apstra, AMI toolkit, NETCONF/REST APIs, SNMP, and automation frameworks like Ansible and Puppet.
Q
What are the typical use cases for the QFX5100 Series?
A
Ideal for data center leaf/spine fabrics, cloud infrastructures, campus aggregation, high-performance computing, and Metro Ethernet service delivery.
Q
How energy-efficient are QFX5100 switches?
A
With variable-speed fan trays, redundant power supplies, and support for Energy Efficient Ethernet, the QFX5100 minimizes power consumption and operating costs.
Q
What mounting options do QFX5100 switches offer?
A
The QFX5100 is a 1 U rack-mountable switch with front-to-back airflow, optional sliding rails, and front-accessible, hot-swappable power supplies for versatile data center installations.
Q
How is high availability ensured on the QFX5100 Series?
A
Redundant, hot-swappable power supplies and fan modules, graceful Routing Engine switchover, and nonstop active routing ensure continuous network operations.
Q
What warranty and support options are available for QFX5100 switches?
A
Juniper provides a limited lifetime hardware warranty, with optional Juniper Care and Juniper Care Plus service bundles offering 24×7 support, software upgrades, and advance hardware replacement.
Q
Which certifications and compliance standards do QFX5100 switches meet?
A
The QFX5100 Series is certified for IEEE 802.3ba/ae, NEBS Level 3, CE, FCC, UL, RoHS, and supports Telco NFV standards for robust, compliant deployment.
Q
How do I upgrade the firmware on a Juniper QFX5100 switch?
A
Use the Junos CLI or Junos Space to upload the new package, then issue request system software add <filename> and request system reboot, or automate upgrades via zero-touch provisioning.