Blogs

Why Wi-Fi Design Day Matters

By Cherie Martin posted 9 days ago
Contribution by Dobias van Ingen Community, curiosity, and doing Wi-Fi properly (with a bit of fun along the way ☕️📡 ) If you’ve ever tried explaining co-channel contention or roaming behavior at a dinner party, you know how quickly the room empties. 😅 But put a few hundred Wi-Fi professionals in a theatre, add real deployment stories, a shared passion for getting things right , and suddenly those conversations are not just welcome, they’re the main event. That, in a nutshell, is Wi-Fi Design Day . Ahead of this year’s Wi-Fi Design Day London (April 16, 2026), I sat down with Matt Starling (Ookla/Ekahau) to ...

Get Ready, Airheads: HPE + Juniper Networks Unite to Unleash the Future of AI-Native Networking

By Cherie Martin posted 17 days ago
Punch your free ticket to one of the hottest events in tech, HPE Networking Days. A new era begins as HPE and Juniper Networks come together to deliver a next-generation event series designed for the innovators, builders, and hands-on pros who keep our world connected. Hey Elevate Members! I’m excited to share what’s coming with HPE Networking Days 2026. If you’ve attended before, you know these events are where breakthrough technology meets real-world expertise. This year, we’re taking things to a new level. For the first time, we’re bringing together the very best of HPE and Juniper Networks in one unified series, packed ...

MNHA, IPSec and Multiple Routing Instances

By James Rathbun posted 19 days ago
INET.0 – What? MNHA, IPSec and Multiple Routing Instances Introduction There is a lot of good documentation available on designing and implementing MultiNode High Availability (MNHA) and Virtual Private Networks (VPNs) on SRXs - even AI generated configuration snippets that might lead a novice or experience professional astray. AI is a wonderful tool, but who hasn’t been a little frustrated by some AI output that includes commands or configuration recommendations that aren’t available on the platform. This post is not intended to be a 100% exhaustive guide on designing or configuring MNHA or VPNs with SRX deployments. The goal is to provide working ...

PTX12008 Fabric Topology

By Rahul Kulkarni posted 21 days ago
Let's describes the PTX12008 chassis fabric topology and the bandwidth plumbing between Line Cards (LCs) and Switch Interface Boards (SIBs). Each LC integrates three BXF Packet Forwarding Engines (PFE), each made of a BX+BF pair, to deliver 54x 800G WAN ports, total 43.2Tbps per LC. Given 9 SIBs in the chassis, the fabric scaling ensures full LC bandwidth. Introduction PTX12008 is an eight‑slot Line Card (LC) chassis paired with 9 SIB slots to realize a non‑blocking, high‑capacity switching fabric. Each LC leverages the Juniper BX and BF chipsets, combined as BXF, to perform packet processing and cross‑fabric switching. The LC uses ...

Rethinking Fabric Redundancy

By Dmitry Shokarev posted 22 days ago
Fabrics are considered internal components of the router and if one fails, there should be no performance degradation. This was the expectation for many years. But supporting it is not practical anymore. It is now time to reset the expectation, look at the problem again and address it differently. Why Fabric Redundancy? High-capacity routers have distributed forwarding architecture where multiple forwarding chips communicate over non-blocking fabric, typically comprised of multiple fabric modules, Figure 1. Figure 1. Distributed forwarding system architecture. As any component in a system, fabric modules can fail, potentially degrading ...

Implementing RBAC for Juniper Apstra Using ClearPass TACACS+ Server

By Victor Ganjian posted 26 days ago
How to integrate Juniper Apstra with Aruba ClearPass using TACACS+ to centralize authentication and implement role-based access control (RBAC)? This article details the configuration of both systems, including user roles, policies, and enforcement mechanisms, and concludes with verification steps to validate correct authorization behavior. Introduction This document outlines the steps to configure HPE Juniper Apstra (version 6.0.0) to authenticate user logins against an Aruba ClearPass Policy Manager (CPPM) server (version 6.12) using the TACACS+ protocol. This integration allows for centralized user management, enabling role-based access control (RBAC) ...

Context File Optimization and Alerting Strategies

By christian graf posted 26 days ago
Third part of the Series on the Context-Files and JMCP, covering tokens, data formats, and memory management. Series Navigation: Part 1: Introduction & Basics Part 2: Tokens & Memory Part 3: Optimization & Alerting ← You are here Part 4: File Management Part 5: Redis & Performance Part 6: Hybrid Architecture Introduction In Parts 1 and 2, we covered context file fundamentals and token management. In this part, we'll explore advanced optimization techniques that can dramatically reduce context file size while maintaining functionality, and we'll examine the best practices for alerting. ...

Introducing the PTX10002-60MR

By Santo K posted 30 days ago
The Juniper PTX10002‑60MR is a 2RU router built on the Express 5 ASIC, delivering up to 14.4 Tbps of forwarding capacity. It offers dense mix of 12× 800GE QSFP112‑DD and 48× 100GE QSFP28 ports, native ZR/ZR+ support, and is perfect for space‑ and power‑constrained core, WAN, and AI‑driven data‑center deployments. Introduction With our Industry first 800G platform PTX10002-36QDD, we set a new benchmark for performance and efficiency. Now, we’re building on that success. With the introduction of the PTX10002-60MR, we are strengthening our 800G routing family, giving customers more choice and more flexibility as they prepare for the next wave of networking. ...

Context-File Basics: Tokens, Data Formats, and Memory Management

By christian graf posted 03-18-2026
Second part of the Series on the Context-Files and JMCP, covering tokens, data formats, and memory management. Series Navigation: ← You are here Part 1: Introduction & Basics Part 2: Tokens & Memory ← You are here Part 3: Optimization & Alerting Part 4: File Management Part 5: Redis & Performance Part 6: Hybrid Architecture Introduction In Part 1 , we covered the fundamentals of context files: their basic structure, how to use variables, and what target sizes are practical and desirable. In this Part 2, we'll dive deep into tokens, data formats, memory management, and ...

DCI Edge for AI Front End Clusters with Juniper PTX

By Kashif Nawaz posted 03-18-2026
How Juniper PTX routers consolidate tunnel aggregation, DCI, and secure internet edge roles to simplify large-scale AI front-end networking. In this article, we will detail design choices and deployment considerations for using PTX at the DCI edge to provide scalable multi-tenant connectivity for thousands of DPU-based AI nodes. Introduction In the first part of this series , we evaluated the overlay networking solutions spanning over a decade, and the second part was dedicated to architecture and implementation details to build large scale EVPN Type-5 tunnel aggregation solution using Juniper PTX Series Router. In last article of the series, we will ...

ACX 7020 Routers Deepdive

By Dominique Blanchard posted 03-16-2026
Everything about the new addition to the Cloud-Metro family, the ACX7020. A 1-RU, 23.5cm deep router, with 100Gbps forwarding capacity. High-Level Introduction The ACX7020 is a HPE Juniper Networking product powered by Broadcom Qumran Q2N [BCM88295] and running Junos EVO modular software architecture. It offers a mix of 16 ports 1/10GbE and 4 ports 1/10/25GbE. Figure 1: Front View of the ACX7020 This 1RU Ethernet-only router offers 100Gbps bidirectional forwarding capacity and with Class-C Timing support. It addresses primarily the Cable DAA/UAA use cases, Mobile xHaul Transport market, Converged Metro but can be used in multiple ...

Meet the Community Team

By lydia right posted 03-10-2026
Hello Juniper Elevate community! I’m Lydia, and I’ve just joined the Technical Communities team at HPE as Senior Community Marketing & Operations Manager. I’m excited to be here and to connect with all of our users who rely on Juniper technology every day. A quick bit about me: I bring a blend of marketing, development, and operations experience, with a long-running focus on good UX and practical tooling. I came up in networking , start ing at Aruba Networks in 2012 as webmaster , and I’ve been involved with the Airheads Community on and off for years . I understand what ...

New Content, New Horizons

By lydia right posted 03-04-2026
We’re pleased to share that we will be introducing brand-new content spanning all HPE networking technology areas. We’re kicking things off with an  Networking Days Roadshow  event series that brings the combined expertise of HPE Aruba Networking and Juniper closer to you.   As we align the strengths of the HPE Networking community environments, including Airheads and Elevate, we will be introducing crossover content to both communities as our product lines evolve toward a unified, self-driving future. New content will include webinars, blogs, podcasts, and articles across campus and branch networking, security, data center, and WAN. We invite you to ...

SRX Secure Fabric Entry Point

By Karel Hendrych posted 03-04-2026
This Tech Post aims to address multi-tenant secure Remote Access of the HPE Juniper Networking SRX firewall. A demo setup that allows for direct breakout into an EVPN/VXLAN fabric VRF, where the SRX serves as a secure, user identity-aware fabric entry point is shown. This functionality is achieved through the integration of the Juniper Identity Management Service (JIMS) with the Juniper Secure Connect (JSC) Remote Access VPN starting Junos 24.4. The article also provides examples of the long-awaited VRF-to-zone mapping feature that emerged in Junos 25.4, changing the approach to SRX zone firewalls with EVPN and MPLS VRFs. Introduction The Juniper ...

Juniper PTX Routers in Front-End Network

By Kashif Nawaz posted 03-02-2026
Juniper PTX Routers as Front-End Network Tunnel Aggregation and DCI Edge Router (Part 2 of "Overlay Networking in AI Era" series) Introduction In the previous article , we reviewed the evolution of overlay networks in the AI era, assessing how DPU-based architectures are reinventing the network infrastructure for AI cluster frontend traffic. We covered the journey from kernel networking to DPU/ SmartNIC-based overlay tunnels between host and gateway node. This publication looks at the implementation of an Overlay Tunnel Gateway Solution based on Juniper PTX Series routers. Although various overlay tunnelling technologies are available e.g. ...

Managing Junos Devices with Context-File and JMCP Server

By christian graf posted 02-26-2026
An Introduction to LLM-Driven Network Automation Series Navigation: Part 1: Introduction & Basics ← You are here Part 2: Tokens & Memory Part 3: Optimization & Alerting Part 4: File Management Part 5: Redis & Performance Part 6: Hybrid Architecture Overview Using LLMs with MCP is a next-generation approach to network automation which is available today. Today's market-leading LLM's have a great understanding on Junos and a prompt like check all interface statistics for only ISIS enabled interfaces on routers R11 and R12 would indeed execute a show isis interface to get hold ...

Introducing PTX12000 Chassis

By Nicolas Fevrier posted 02-25-2026
All you need to know to get started. Let’s explore the latest addition to the PTX family, the 8 and 12-slot PTX12000 chassis. Many blogs have been published (or will be soon) related to the PTX12000: Rethinking Fabric Redundancy Deepdive in the Fabric Topology Fabric Self Healing and Recovery (coming soon) Navigating the Front Panel Display (coming soon) PTX12k Power Saving and Metrics (coming soon) PTX12k Power Saving/Metrics (coming soon) Introduction It’s not every day you unveil a brand-new series product line, so it’s with a lot of excitement we launched the PTX12000 modular chassis in February 2026. ...

Overlay Networking in AI Era

By Kashif Nawaz posted 02-21-2026
From Kernel Networking to DPU: Evolution of Data Processing and Gateway Tunneling Cloud providers run huge numbers of concurrent AI workloads across shared infrastructure without them stepping on each other. How? Network overlay tunnels create isolated virtual networks, and DPUs handle all that tunnel processing so your host CPU can focus on actual workloads. The industry evolved through four generations to get here: kernel networking (slow, ate 20-30% of CPU), DPDK (faster user space processing), SmartNICs (hardware offload), and now DPUs (dedicated processors). Here's why each transition happened and what it means for AI infrastructure This is the ...