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Can we run distributed training between clusters located 50 km apart? How do we interconnect these sites? Do we need to tweak the collectives library and the NIC settings to run training jobs? And provision anything special on the router side? This article shows how PTX routers make...
Learn why the Trio and Express “Firewall Filters” (ACL) are truly unique in this industry. An article co-written by David Roy and Nicolas Fevrier Introduction Every vendor in the networking industry will regularly claim groundbreaking innovations and unique game-changing features...
A detailed description of the latest line cards, fabric cards, power supply modules and fan trays introduced in the PTX10000 chassis, enabling the power of the Express5 chipset and 800GbE interfaces in modular form-factor routers. Introduction In early 2025, we introduced a new line...
How can we monitor the SRv6 data plane, and collect statistics on the SRv6 SRH and tunnels with IPFIX option 315 / IMON? Introduction At Juniper, we have observed increasing customer interest in the SRv6 standard over recent years. This Techpost isn’t focused on the SRv6 technology...
PTX10002-36QDD is the first router equipped with the new Juniper Express5 packet forwarding engine, a new deep-buffer 28.8Tbps package introducing a lot of innovations and improvements compared to its predecessor. This post will answer a simple question: how fast can we program the FIB...
The new Juniper PTX10002-36QDD is here. It’s our first 800GigabitEthernet, deep-buffer, high-scale, router in the market, powered by Express 5. And we are very excited to share some details about this unique platform. Introduction/Overview The PTX10002-36QDD is a compact form-factor router...
Express 5 is Juniper's new ASIC for service providers and cloud networks, delivering 2x power efficiency, enhanced traffic insights, hardware-based sampling, value-added services, and supporting high-speed, high-scale routing applications including AI/ML training clusters with up to 16M IPv4...
How Junos EVO implements the OpenConfig “platform” data model to expose many indicators/counters related to environmental data. Introduction Recently, we covered the PTX power optimization features [1] . If you didn’t read this techpost, we highly recommend having a look at it before...
Guide to the EVPN VXLAN based Optimised Inter-subnet Multicast (OISM) on Express4 based PTX10k platforms. This document is co-written by Ramdas Machat and Abdul Nasir M. Introduction Handling unicast traffic is easy within the EVPN-VXLAN Data...
Did you know: numerous built-in functionalities with Junos-EVO are enabled by default and help reducing the power usage and carbon foot-print of your PTX routers? First we’ll try to briefly characterize the different components of a router, and what influences their power consumption. Then...