Table 1: install () Method Parameter Settings for Software Package Location. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. scp://hostname/pathname (available only for Canada and U. tgz « Host upgrade—Use the junos-vmhost-install-x. To boot from the desired disk, execute ' request vmhost reboot { disk1, disk2}' command. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. Do you have time for a two-minute survey?This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. 4. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the PTX Series. From the Version drop-down menu, select your version. If the installation package resides locally on the host, execute the request vmhost software add <pathname><source> command. For instance, suppose you purchase a core router such as a PTX10008. Note. user@EX9251-A> request vmhost software add /var/tmp/<junos-os-filename> To redirect the traffic from EX9251-B to EX9251-A, re-enable the server-facing & uplink interface on. snapshot Create a vmhost recovery snapshot software Perform vmhost software extension or upgrade zeroize Erase all data, including configuration and log files-Aaron-----Original Message-----From: juniper-nsp [mailto:juniper-nsp-***@puck. Junos Software service Release version 21. 168. 1. 200 To copy the image you want installed to the PXE boot server and install the from IT JUNOS at University of Central FloridaI think this is an issue where the MP model is using the new style of system snapshots with 'request system snapshot recovery' akin to newer switches (EX2300, EX3400). 0 Add a comment AS6509. S. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. Procedure will take few minutes. Expert Help. root> show version Model: mx204 Junos: 17. Select the Install Package as need and follow the prompts. List of Sample Output. tgz reboot RE0# commit synchronize and-quit re0: configuration check succeeds re1: commit complete re0: commit complete Exiting configuration mode. 11. 1. Junos Software service Release version 21. The unified ISSU must be in progress and you must issue this command from a router session other than the one on which you issued the request vmhost software in-service-upgrade command to launch the unified ISSU. x based Junos OS. The loading process can take 5 to 10 minutes. pkgadd (remote_package, vmhost=False, **kvargs) [source] ¶ Issue the RPC equivalent of the ‘request system software add’ command or the ‘request vmhost software add’ command on the package. 4R1 release, FreeBSD 11. From the Type/OS drop-down menu, select Junos SR. Only oder devices like MX80/MX104 support the "request system software" command. "request system software add /var/tmp/ <jinstall-package> " to ensure the Host OS is upgraded along with Junos. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. 55MB) Checksums Limited - 64 Bit - MX High-End Series 23. Stage an Image. Note: 2. request vmhost software add. Solution. Do you have time for a two-minute survey?This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the PTX Series. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. root> request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-19. If you have not already done so, connect to the console port on the device from your management device, and log in to the Junos OS CLI. commit(): commit changes commit_check(): perform the commit check operation diff(): return the diff string between running and candidate config load(): load changes into the candidate configDescription. Migration, Upgrade, and Downgrade Instructions. VI Server. tgz no-validate reboot. 0. 4R1 on certain RE types (Secure BIOS), then the install will fail with a warning. Save the CѴ; in the /var/tmp directory. Rebooting occurs only if the upgrade is successful. Run the command, 'request vmhost software add. VM. Here is a list of the vmhost commands that are now supported: • request vmhost cleanup • request vmhost file-copy • request vmhost halt • request vmhost hard-disk-test • request vmhost power-off • request vmhost power-on • request vmhost reboot • request vmhost snapshot • request vmhost software add • request vmhost software rollback •. version) Adding the reboot command reboots the switch after the upgrade is installed. tgz is a package name for Junos OS on the QFX5100. Reboot the device. Select the Install Package as need and follow the prompts. 8. The test output provides information about the various attributes of the SSD that is help monitor the status of the hard disk memory. We now only use 64bits vmhost; Based on upgrade task and Juniper recommended; All the steps bellow should be done with: cumin1001:~$ sudo cookbook sre. Description. Junos Software service Release version 16. Symptoms Diagram: Solution Upgradation. 8. Use this command to reboot the device software. Users may encounter scenarios where the Junos VM is running a different version and the host VM is running an older version. Reinstall Junos OS. 115. 2R1 23 Jun 2023 gz (4260. Devices in a chassis cluster can be upgraded separately one at a time. For the VMHost type services you'll need to run request vmhost snapshot as shown here. tgz Junos Validation begin. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. Stage an Image. image and specify the name of the regular package in the request vmhost software add command. Starting in Junos OS release 21. 17. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. Junos Software service Release version 22. IT JUNOSThis section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. junos. 10. 9. 4R2. Description. tgz Junos Validation begin. When you upgrade the host OS, you must specify the regular package in the request vmhost software add command. If you have important files in directories other than /config and /var, copy the files to a secure location before upgrading the device. device_operations. 4R2-S1 is now available. Rebooting occurs only if the upgrade is successful. ' directly from RE1, the routing-engine which is to be upgraded. tgz no-validate reboot. RE-PTX-X8 Routing Engines. tgz . Configuration information from the previous software installation is retained, but therequest system software add /var/tmp/jinstall-ex-4600-14. util. 2R3, all Junos OS products which were previously running on FreeBSD 11. Using "request system software" on MX204 can make the device unpredictable, as it just upgrades the JunOS VM, not the host. 14. root> show version Model: mx204 Junos: 17. Users may encounter scenarios where the Junos VM is running a different version and the host VM is running an older version. From the Version drop-down menu, select your version. tgz reboot RE0# commit synchronize and-quit re0: configuration check succeeds re1: commit complete re0: commit complete Exiting configuration mode You can upgrade the disk partitions on NFX250 NextGen and NFX350 devices by using: Starting in Junos OS Release 23. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the PTX Series. scp://hostname/pathname (available only for Canada and U. If the host software does not meet the minimum version as specified in the regular upgrade package, then you need to upgrade the host OS as well. Migration, Upgrade, and Downgrade Instructions. nether. 2X75-D435. When the reboot is complete, the switch displays the login prompt. Description For Juniper Networks EX9200 Series switches with RE-S-EX9200-2X00x6 Routing Engines, the VMHost upgrade might fail because the firmware version of the i40e-nvm. The files under /config and /var. request vmhost halt. 11 and got a little confused about below: from Juniper docCopy crash files or log files from the host OS to Junos OS. 3R1 onwards, when 'request vmhost halt' is executed, the system reboots after exactly 30 minutes instead. Below are the NG-RE models: RE-S-X6-64G: 6-core Haswell CPU, Wellsburg PCH based routing engine with 64GB DRAM and 2x 64GB SSD storage for MX240/MX480/MX960 REMX2K-X8. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. 9. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. tgz. For more information, see the VM Host Installation topic in the Installation and Upgrade Guide . Default is /var/tmp. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. 1F7, the values of the user configurable link degrade thresholds, have to be configured as per the following guidelines: set threshold value must be greater than warning set threshold value. tgz RE1> request vmhost software add /var/tmp/junos-vmhost-install-ms-x86-64-19. 4RFor more information, see Upgrading the Personality of a Device by Using a USB Flash Drive. For installing the host software as well as Junos OS, specify the package name junos-vmhost-install-x. in Number of minutes to delay before reboot operation. The presence of the appropriate software license key on your device determines whether you are eligible to configure and use the licensed feature. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. broot@jtac-mx2020-r2003-re0> request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-16. 4. We now only use 64bits vmhost; Based on upgrade task and Juniper recommended; All the steps bellow should be done with: cumin1001:~$ sudo cookbook sre. Junos Software service Release version 19. For installing the host software as well as Junos OS, specify the package name junos-vmhost-install-x. 1R7 reaches end of engineering (EOE) on 2020-07-28 and end of support (EOS) on 2021-01-28. update_os_parsers] Parsing device output in. Knowledge Base Back. You can then either manually remove specific files or just remove 'dry-run' from the command to delete all files listed via the previous command. And they use the request system software add command with the non-vmhost image to upgrade instead of using the request vmhost software add command with a vmhost image on an MX device with a Next Generation Routing Engine (NG-RE). If there are any vmhost coredumps, copy them from /var/crash on the vmhost to Junos OS VM /var/tmp : request vmhost file-copy crash from-jnode <core-node-xxx. Modification to configurable link degrade threshold values (MX Series) —Starting with Junos OS Release 15. To download and install FreeBSD 11. upgrade-to-model Name of the model to upgrade to. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. 11 and got a little confused about below: from Juniper docThis section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. We recommend that you retain the configuration unless you are deploying a new vSRX VM. . 2R1. From the Version drop-down menu, select your version. A unified ISSU enables you to upgrade from one Junos OS release and host OS release to another with no disruption on the control plane and with minimal disruption of traffic. MX104. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. EX4300. show vmhost snapshot <invoke-on> <re0 | re1> <routing engine>. The files under /config and /var. Before upgrading, back up the file system and the currently active Junos OS configuration so that you can recover to a known, stable environment in case the upgrade is unsuccessful. Erase and replace with zeros all user-created data from Routing Engines. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. root@ex9200-re0> request vmhost software add /var/tmp/junos-vmhost-install-ex92xx-x86-64-21. The "request vmhost software add" command can be associated with the "re0" or "re1" option, meaning that the upgrade will be. vmHost ソフトウェアの追加の. It prompts you to confirm and then formats the external SSD so that you can use it for NFX350 device. tgz reboot 2021-02-26 07:19:54,117 | [INFO][junos_ops. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. The installation process rebuilds the file system. Upload to Study. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. コマンドでrequest vmhost software add scp プロトコルを使用して、リモートからソフトウェアパッケージやバンドルをダウンロードしてインストールしないでください。ソフトウェアアップグレードは、SCPをサポートしない mgd プロセスによって処理されます。. See the for instructions on performing this task. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the PTX Series. tgz> to-vjunos /var/tmp/ <core-node-xxx. 2-R2. You can use this procedure to upgrade Junos OS on device with a single Routing Engine. 4 R1, in order to install VM Host image based on Linux WR LTS19, you have to upgrade the i40e NVM firmware to version 7. tgz Instead, a vmhost upgrade must be performed for this platform. Junos OS with upgraded FreeBSD for QFX platforms that are Linux based; this prefix indicates the image includes the host software as well as Junos OS. tgz The following output shows the NG-RE that was booted from the primary disk using set b, which was booted using the set p prior to upgrade: Starting in Junos OS Release 18. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. On this platform, only "request vmhost software" is supported, as with every NG-RE platform. From the Type/OS drop-down menu, select Junos SR. 2X75-D435. However, during the unpacking (due to the corruption), the image is eating up all the storage space. Steps to reproduce. Input your product in the "Find a Product" search box. Input your product in the "Find a Product" search box. S. [EX/QFX] "request system software add" fails with "truncated or corrupted package: /var/tmp/package_name" [MX] Unexpected behavior may be seen if disk space insufficient for filesystem "/var" [Junos] Example - Upgrade Junos OS with no-copy optionIn this case, we need to bring both REs onto the same Junos OS release, copy the Junos OS installation file that is available on one RE, and then take it to the other RE by using a USB device. Upload the jfirmware-vmhost package from the corresponding JUNOS release to the /var/tmp/ directory of the system and install that to the primary Routing Engine of the system. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. 7. 4. Migration, Upgrade, and Downgrade Instructions. Upgrade steps for this specific platform: Download the vmhost image click here and look for QFX10002-60C . However, if the Junos OS version is upgraded to 21. リクエストvmhostソフトウェアの. tgz re0 no-validate" This upgrade installs the host image along with the compatible Junos OS. Issue the following command: user@host> request system snapshot. Select the Install Package as need and follow the prompts. If you want to validate: the image, do that using the specific :meth:`validate` method. (Optional) On routers that support dual or redundant Routing Engines, reboot both Junos OS and the host OS on the Routing Engine in slot 0 () or on the the Routing Engine in slot 1 (. Click the Software tab. This port is by default configured with a virtual interface called fxp0 which by default has the static IPv4 address 192. Solution. When a vmhost software upgrade is done, the new image is installed in the alternate set which is not the root set . This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. tgz <router-fqdn> Make room for the image request system storage cleanup; If multi-RE, cleanup files on backup RE: request system storage. The salt. version) Adding the reboot command reboots the switch after the upgrade is installed. tgz upgrade-to-model X no- validate reboot If you are upgrading to PTX10008, include the package for the PTX Series routers and replace X with ptx10008 before the no-validate orঞomĺ If you are upgrading to MX10008, include the package for the MX Series routers and replace X. Reboot the Junos OS software and the host OS from the specified disk and the partition within the disk. Addresses #233. Junos OS installation alone can be achieved by specifying the regular package name junos-install-x. Select the operational mode of the device from a pre-defined list of modes (compute, hybrid, or throughput) or specify a mode-name for a custom mode. The loading process can take 5 to 10 minutes. In this case, use the following command: % request system software add ftp://NAME:PASS@<10. xRx-Sx But the last step (3step) no-validate was mandatory to upgrade successfully (without no-validate at the end, the upgrade was failling with this errorYou can upgrade the disk partitions on NFX250 NextGen and NFX350 devices by using:To perform the Junos OS upgrade on devices managed by security director cloud, go to. 10. exe adware from Internet Explorer,. The following output will be seen when attempting to upgrade: root@ex9200-re0> request vmhost software add /var/tmp/junos-vmhost-install-ex92xx-x86-64-21. 9. Devices in a chassis cluster can be upgraded separately one at a time. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. Select the number of the software version that you want to download. broot@jtac-mx2020-r2003-re0> request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-16. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. or the 'request vmhost software add' command on the package. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS. request system software add /var/tmp/ no-validate. tgz Initializing. Junos Software service Release version 21. request system software add on page 486 • request vmhost software rollback on page 613. x-based Junos OS: Using a Web browser, navigate to the All Junos Platforms software download URL on the Juniper Networks webpage: Select the name of the Junos OS platform for the software that you want to download. 10. Solution. Introduction to Next Generation Routing Engine (NG-RE): NG-RE is a new RE model sharing common infrastructure for multiple platforms such as MX and PTX. In a PTX3000, the Routing and Control Board is powered on. 0 or later. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the PTX Series. 2021-02-26 07:17:38,702 | [INFO][junos_ops. When the reboot is complete, the switch displays the login prompt. In a PTX3000, the Routing and Control Board is powered off. Error: not enough space to unpack /var/home/labroot/junos-install-mx-x86-64-20. 2021-02-26 07:17:38,702 | [INFO][junos_ops. VM Host. S. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. VI Trusted Certificate. 5 or 20. Upgrading or downgrading Junos OS can take severalHelp us improve your experience. 1>/ <jinstall file. 1F4. Read the End User License Agreement, click the I agree radio button, and then click Proceed. When the reboot is complete, the switch displays the login prompt. tgz reboot RE0# commit synchronize and-quit re0: configuration check succeeds re1: commit complete re0: commit complete Exiting configuration mode. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. 1R1. This avoided errors and the upgrade was successful. 4R1. When you upgrade. Basic Procedure for Upgrading to Release 22. 168. From the Type/OS drop-down menu, select Junos SR. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. Check if the random MAC prefixes generated by the JDM on both the servers are. 4R2. The following options are available:When you use this method, you must specify the regular package in the request system software add command. Solution. tgz no. See the links below: request vmhost software add ; VM Host Installation ; Related Information. Perform the following: user@mx10003> start shell user root password: <-- Type the root password. The "request vmhost software add" command can be associated with the "re0" or "re1" option, meaning that the upgrade will be executed in either re0 or re1 accordingly. Click the Software tab. This will fetch the Junos OS software package from the PC with IP:10. request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-20. Solution. This command also checks the configuration for any VNF path that requires the external disk to be present. tgz. Figure 1 shows the arrangement of storage drive slots on a RE-S-X6-64G Routing Engine. The attachment below is a JTAC White Paper that describes the Next Generation Routing Engine for MX and PTX routers. 43MB) Checksums Limited - VMHost USB Installer 64-Bit 23. Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network. 2R1 23 Jun 2023 gz (3354. 1 release. These minor alarms for "VMHost RE<0 or 1> Disk 1" and "VMHost RE<0 or 1> Disk 2" were caused by version mismatch between RE0 and RE1. Hello Community, Planning to upgrade two 204 MX routers (each with single RE) from 18. The loading process can take 5 to 10 minutes. xRx-Sx But the last step (3step) no-validate was mandatory to upgrade successfully (without no-validate at the end, the upgrade was failling with this error You can upgrade the disk partitions on NFX250 NextGen and NFX350 devices by using: To perform the Junos OS upgrade on devices managed by security director cloud, go to. 4 is the last supported release on. Use this command to reboot the device software. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. tgz Junos Validation begin. 3. ¿ What if I do NOT include the "re0" or "re1" option? My understanding is that the upgrade will be carried out on the RE on which I am executing the command. 2R3-S2 is now available. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. "request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-17. 1R6-S3. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. Click the Software tab. ホストソフトウェアとJunos OSをインストールする場合は、コマンドで request vmhost software addパッケージ名junos-vmhost-install-x. Category: VMHOST platforms software; 1605971: VM host platforms might boot exactly 30 minutes after executing 'request vmhost halt' command Product-Group=junos: On all VM host platforms running Junos OS Release 19. 3R2. Input your product in the "Find a Product" search box. tgz. maintenance. request chassis routing-engine master switch ; However, it is not supported in the case of RE reboot operation. tgz re0 no-validate" This upgrade installs the host image along with the. 4R3-S2 is now available. In this case, the. If the device has dual Routing Engines, the command is broadcast to both Routing Engines on the device. 114. You can then either manually remove specific files or just remove 'dry-run' from the command to delete all files listed via the previous command. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. ok Junos shutdown is in progress FINAL System shutdown message System going down from CS 101 at Faculty of Chemical and Food Technology STUThis section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. tgz を指定します。. In this example, RE0 is the primary running release 16. Copy the image into the switch to /var/tmp/ Run the vmhost upgrade command: > request vmhost software add /var/tmp/junos-vmhost-install-qfx-x86-64-18. xRx-Sx But the last step (3step) no-validate was mandatory to upgrade successfully (without no-validate at the end, the upgrade was failling with this errorYou can use this procedure to upgrade Junos OS on device with a single Routing Engine. user@mx> request vmhost software add /var/tmp/jfirmware-vmhost-x86-64-19. When upgrading or downgrading Junos OS, always use the jinstall. Procedure will take few minutes. IT. with the following values depending on the LCC configuration: (MX Series routers only) (Optional) Install a software package on the specified Virtual Chassis member. request system software add validate. tgz image upgrade. * Add the `force_host` argument to `junos_install_os`. request vmhost software abort in-service-upgrade. request chassis cluster failover reset | 246 request chassis fpc | 248 request vmhost cleanup | 250 request vmhost file-copy | 251 request vmhost halt | 253 request vmhost mode | 255 request vmhost power-off | 257 request vmhost reboot | 258 request vmhost storage | 262 request vmhost software add | 265 Description. The loading process can take 5 to 10 minutes. prepare-upgrade <image-filename>. The port labeled MGMT can be set up for remote management of the NFX150 device. MX960. 4R2. 4. If vhmhost=False, the <request-package-add> RPC is used and the The "no-validate" options is set. Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network. Select the number of the software version that you want to download. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series. RE: JUNOS Host Software and JUNOS upgrades. 4R2. VM. You can use this procedure to upgrade Junos OS on device with a single Routing Engine. Junos OS runs as guest OS, manages the virtual functions, and. Tried resolving this with JTAC, and their documentation links (that support sends!!) don't deal with this. Initializes an SSD in the specified external SSD slot. 4R3. Starting in Junos OS 17. Modification to configurable link degrade threshold values (MX Series) —Starting with Junos OS Release 15. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. If the router fails to reboot or is not accessible, follow these steps: Power cycle the chassis or remove the RCB (JNP10K-RE1) and plug it back in. Downloading Software Using the Command-Line Interface (Junos OS) 110. However, installation using the vmhost package is. 0 Add a comment No more comments. lab@ptx10016-re0> request vmhost software add /var/tmp/junos-vmhost-install-ptx-x86-64-22. To boot from the. 3R3-S8. The QFX10002-60C and PTX10002-60C devices do not have primary and backup routing engines. For more information see VM Host Installation topic in Installation and Upgrade Guide . Not sure there is a good solution here as when you go mixed-mode, the feature set gets set to the lowest common denominator of the models that are VC'd together. In the QFX Series section of the Junos Platforms Download Software download page, select the QFX Series platform software you want to download. 2. [edit system] syslog {. 4R3. VM Host Operations and Management. request vmhost snapshot. When upgrading or downgrading Junos OS, always use the jinstall package. JTAC sent this: -rw-r--r-- 1 root wheel…Download the VMHost image by navigating to Downloads and searching for EX92xx (make sure that you use the one listed as VMHost). Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network. From the Type/OS drop-down menu, select Junos SR. update_os_parsers] Parsing device output in. Util Overview of Configuration Utilities. 1R7. root> request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-19. 2R1, all Junos OS products which were previously running on FreeBSD 11. Downloading Software Using a Browser (Junos OS) 109. Select the Install Package as need and follow the prompts. ERROR: Failed to extract vmhost bundle from /var/tmp/junos-vmhost-install-mx-x86-64-19.