Performing an inservice software upgrade issu with non. Are juniper upgrading checking serials within upgrade process or is it similar with cisco ios upgrade. Mar 22, 2016 upgrading dual routing engine juniper mx series march 22, 2016 keeran marquis 6 comments in one of my previous post, i explained how you would go about upgrading a juniper ex switch. Aug 22, 2016 i already have it, believing it was a simple case of uploading the file to the juniper router and letting it run through the upgrade process. If your system support nonstop software upgrade ex33xx to ex82xx virtual chassis cluster nssu, then following are the procedures to perform this assuming all the vc members are same modela. Its also a requirement if you want to use nonstop software. Oct 28, 2016 the master installs the new software image on member switches that are in the line card role and reboots them, one at a time. Requirements for performing an nssu, how an nssu works, ex3300, ex3400, ex4200, ex4300, ex4500, ex4600, and mixed virtual chassis, ex6200 and ex8200 switches, ex8200 virtual chassis, nssu limitations, nssu and junos os release support, overview of nssu configuration and operation. Nonstop software upgrade nssu enables you to upgrade the. Lc 3 master re backup re non stop software upgradenssu.
This command must be issued on the master routing engine. Note that information for layer2 protocols will not be replicated to the redundant re by activating nsr. I tried to check few things from a datasheet of ex4300 and do some comparison between 4200 and 4300. Jun 28, 2015 be sure that you do not miss out on the redundancy features that junos has to offer. In case of chassis cluster upgrade we recommend to upgrade both the nodes followed by a reboot at the same time. I am planning to implement nonstop software upgrade nssu on a virtual chassis and i see graceful switchover gres, nonstop active routing nsr and nonstop bridging nsb must be enabled. Uptodate information on the latest juniper solutions, issues, and more. I havent upgraded an mx series router before, so i cant say if it works on them.
Juniper networks challenges the status quo with products, solutions and services that transform the economics of networking. To accomplish this, you will need to enable nonstop bridging nsb, like this. Perform a nonstop software upgrade nssu on a switch with redundant routing engines or on a virtual. Juniper ex4600 virtualchassis nssu network engineer blog. The unified inservice software upgrade issu feature enables you to upgrade between two different junos os releases with no disruption on the control plane and with minimal disruption of traffic. This article explains how to upgrade an ex8200 device without nonstop software upgrade nssu, and with minimal traffic loss. Nonstop routing and bridging juniper mx series book. Link to understanding nonstop software upgrade on ex series switches. Often a simple software upgrade on the peer will allow the use of graceful restart over non stop routing. Just for learning purpose lets sayi have tried to upgrade th junos using the request system software add method and it was unsuccessful. The master waits for each member to become online and active before starting the software upgrade on the next member. This course is designed to provide introductory troubleshooting skills for engineers in a network operations center noc environment.
The junos space service now and service insight service automation tools are standard entitlements of all juniper care contracts. Nssu is specific to exseries virtual chassis systems or exseries standalone systems with redundant routing engines. Srx getting started junos software installation upgrade. The first thing is to activate the redundancy features called gres, nsr and nsb. Understanding nonstop software upgrade on ex series. Juniper ex4600 and qfx series switch host software upgrade. These features will also enable a nonstop software upgrade, or nssu. Support support downloads knowledge base service request manager my juniper community knowledge base. The jinstall package completely reinstalls the software. Key topics within this course include troubleshooting methodology, troubleshooting tools, hardware monitoring and troubleshooting, interface monitoring and troubleshooting, troubleshooting the data plane and control plane on devices running the junos operating. Juniper networks releases several new versions of junos software each year, as needed. May 27, 2015 juniper mx routers, except for the mx80, are capable of having two routingengines re. Junos jncisent how to upgrade your junos software via.
Nonstop software upgrade nssu enables you to upgrade the software running on a juniper networks ex8200 ethernet switch with. As mentioned previously, the foundation of issu is nsr, as selection from juniper mx series book. You can use nonstop software upgrade nssu to upgrade the software running on all member switches in most ex series virtual chassis with minimal traffic. Assuming that we have static lag from both switches in the stack to all the servers that is connected to the stack, how do we minimize the downtime seeing b. This course is intended for networking professionals with experience and intermediate knowledge of junos operating system.
Junos software upgrade procedure juniper networks router. For juniper networks ex series devices which support the nonstop software upgrade feature, the nssu argument is added. Juniper mxseries enhanced switch control board switch. Nonstop software upgrade nssuwith nssu, all members of an ex3400 virtual chassis configuration can be upgraded with a single command. To create a backup to usb type the following command in operational mode. Install software via cli method 1 from junos software copied to srx follow these steps to copy the software to the srx device and then perform the software installation via the cli. Juniper ex4600 and qfx series switch host software upgrade request system software add forcehost nocopy validate forcehost option is used to upgrade the host software package of the juniper switch as well. These files can be installed all at once or individually. Dec 06, 2017 junos installation and upgrade on srx and ex platforms standalone, srx chassis cluster and ex virtual chassis.
Upgrading dual routing engine juniper mx series keerans blog. Just want to share little experience in upgrading juniper ex4600 virtualchassis using nssu nonstop software upgrade. Upgrading software on a virtual chassis fabric using nonstop. Nssu enables the upgrade between two different junos os releases with minimal data plane traffic disruption. Perform a nonstop software upgrade nssu on a switch with redundant routing engines or on a virtual chassis or virtual chassis fabric vcf. Qfx5100 issu the juniper qfx5100 switch has the ability to be upgraded while in service production with minimal impact. Missioncritical traffic can be configured as a link aggregate across multiple virtual chassis switch members, ensuring minimal disruption during the upgrade process. When i do junos firmware upgrade on a mx series router, i will update this page accordingly. The behavior of this command depends on the type of switch, virtual chassis, or vcf where you run it, as follows. Virtual chassis manual nonstop upgrade 2 node eth0 down. Jul 17, 2014 in service software upgrade issu on a juniper leaf switch qfx5100 with minimal traffic distruption. Playbook switch to a better switch juniper networks.
Nonstop software upgrade nssu enables you to upgrade the software running on all member switches in a virtual chassis with minimal network traffic. Juniper junos step by step upgrade process by usb youtube. Junos automation toolkit and juniper extension toolkit. Inservice software upgrades the junos issu feature allows for a virtually hitless upgrade from one supported issu release to another. Jul 22, 2019 unified inservice software upgrade issu on juniper. Jul 15, 2008 nsr is desirable in cases where the routing protocol peer doesnt support the rfcs necessary to support graceful restart, however it comes at a cost of using more system resources than would be if the same session used graceful restart. Then perform a nonstop software upgrade to junos os release. I will also show how to do the upgrades in srx cluster.
Here is a little checklist that you should go pass thru along with reading official juniper manuals related to upgrading your vc. In this example i am using juniper srx 300 to backup and upgrade firmware of the device using commandline. Latest releases add some interresting features on purenonmixed ex 4200 virtualchassis like nonstop active routing, nonstop bridging and issu. This quick video tutorial will walk you though the process of performing an upgrade of your junos software by using a usb drive with your desired upgrade. Start typing a product name to find software downloads for that product.
In next few lines i will show you how to set juniper ex4200 switch with junos version 12. Chassis members in the linecard role after the most recent nonstop software upgrade nssu. This program and its documentation were developed at private expense, and no. Search our knowledge base sites to find answers to your questions. Otherwise you will end up with old host software version and new junos os version.
Ask all knowledge base sites all knowledge base sites junose defect ka. Sep 07, 2010 white paper continuous systems, nonstop operations with junos operating system modular software the division of labor between control and forwarding planes destination n destination 1 destination 2 destination 3 has its parallel in the next essential architectural characteristic routing engine of junos osits fundamental modularity. The juniper networks enterprise routing and switching course aims to provide practical skills on layer2 and layer3 protocols, their configuration and troubleshooting in enterprise environments. Mds, oasis, irf, swb, epoc, pbj and others using qies remote access.
Understanding nonstop software upgrade on ex series switches. New switches and features will be added in the years to come, so be sure to check out the juniper website for an uptodate overview. The unified inservice software upgrade issu is the feature to upgrade a software version without any disruption. In this article, ill configure an mx480 with some of the highavailability features offered by junos. In service software upgrade issu on a juniper leaf switch. Nonstop routing and bridging nsr and nsb represent the current state of the ha art for junos.
The reason i am putting this here is i often reuse these procedures and dont want to search in juniper knowledge base every time. In juniper devices you can do the issu and in this lesson we will learn, how to do issu on juniper. The 16slot juniper networks ex8216 ethernet switch, part of the juniper networks ex8200 line of ethernet switches, offers a highdensity, highperformance platform for aggregating access switches deployed in data center topofrack or endofrow applications, as well as for supporting gigabit ethernet and 10 gigabit ethernet server. Junos os software images with enhanced automation are only supported on a nonmixed vcf with qfx5100 switches.
Copy the junos installation file to vartmp on the master switch. These seem like they should be a no brainer for configuring a virtual chassis to begin with. Junos os has no known timerelated limitations through the. When i do junos firmware upgrade on a mx series router, i will update this page accordingly update 23032016 got my hands on mx series router and wrote down some notes on the process here. Junos installation and upgrade on srx and ex platforms. Jan 19, 2018 high availability configuration guide configuring nonstop forwarding. In general, upgrading an ex8200 virtual chassis vc through standard procedures requires downtime for the entire virtual chassis. Upgrading dual routing engine juniper mx series keerans. In juniper devices you can do the issu and in this lesson we will learn, how to do issu on juniper if we use unified inservice software upgrade, we will be able avail below advantages. I was planning to go with ex4200, however i can see some spec ex4300 what is better. The master installs the new software image on member switches that are in the line card role and reboots them, one at a time. The general concepts of nsr and nsb are very similar, so unless calling selection from juniper mx series book.
I am trying to installboot the junos on my srx300 using usb. Every junos software release is actually a group of files bundled together. Installing software on ex series switches juniper networks. Jul 12, 2012 upgrade and backup junos image of juniper srx device. This way, you can make sure that you wont miss out on any of the possibilities that the vcf can bring to your network. First perform a nonstop software upgrade to junos os release 12. Srx getting started junos software installationupgrade. I wonder if they check the serial number of the device against the account that downloaded the software or something, and thats why its not working.
We have several various stacks of ex4200 virtualchassis, mostly 2 switches per stack but we have some with 3 or 4 switches per stack as well. With nonstop software upgrade nssu, you can upgrade the software running on all member switches in a virtual chassis fabric vcf with minimal network. How to stopabort inservice software upgrade issu process in case it stalls in the middle of the. As most vcs are configured with two routingengines re as recommended by juniper by using issu, you are essentially. With nssu, you can upgrade software on supporting switches with redundant routing engines, a virtual chassis, or a virtual chassis fabric. Downsides to nonstop active routing and nonstop br. If we use unified inservice software upgrade, we will be able avail below advantages. Indicates if a nonstop software upgrade nssu should be attempted. Unified inservice software upgrade issu on juniper emin. Upgrade and backup junos image of juniper srx device. High availability configuration guide configuring nonstop. An upgrade is required to the juniper vpn network client software network connect client currently used by the qies community to login to cmsnet for required submission and reporting. Upgradingdowngradingreinstalling junos juniper networks. Paris arau is a networking professional with strong background on routing and switching technologies.
Junos os installation and upgrade guide juniper networks. Graceful restart, non stop routing and igp routing protocol. Inservice software upgrades juniper mx series book. This section will prepare you to perform a junos software upgrade to the router. Nsf works with the sso feature in cisco software to minimize the amount of time a network is unavailable to its users following a switchover.
Jncisent how to upgrade your junos software via a usb drive on exseries. Upgrading software using nonstop software upgrade on ex. Nonstop software upgrade nssu enables you to upgrade the software running on a juniper networks ex8200 ethernet switch with redundant routing engines or on an ex8200 virtual chassis with redundant xre200 external routing engines using a single command and with minimal disruption to network traffic. These features will make for a more resilient control plane in case you lose the master routingengine. However i could not see few important things mentioned in ex4300 datasheet but. Our team coinnovates with customers and partners to deliver automated, scalable and secure networks with agility, performance and value.
Im hoping to understand the real world behavior of using request system software nonstop upgrade on a mixed vc of ex4300 and ex4600 switches. For a time i know that was discouraged or just plain didnt work, dont recall because of the differences between the two switches. Included in junos os software, the junos automation toolkit is a suite of tools supported on all juniper networks switches, routers, and security devices. Best choice is to upgrade to newest release during one maintenance window. Contacting juniper support if you have any questions concerning this bulletin please contact the juniper technical assistance center jtac. Configuring linecard upgrade groups for nonstop software. Key topics within this course include troubleshooting methodology, troubleshooting tools, hardware monitoring and troubleshooting, interface monitoring and troubleshooting, troubleshooting the data plane and control plane on devices running the junos.
193 73 842 938 545 439 1407 1391 14 57 942 659 831 927 601 59 595 971 549 115 1270 923 1200 1433 841 1388 1308 1397 20 702 588 1235 1377 1098