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<div class="fs-110">Juniper upgrade dual routing engine.  2.  Use this guide to install hardware and perform initial software configuration, routine maintenance, and troubleshooting for the MX10008 Universal Routing Platform.  Fields.  To install software upgrades on a device with a single Routing Engine: Download the software package as described in Downloading Software Packages from Juniper Networks.  Verify that the system runs Junos OS Release 13.  Routing Engine Function. 2 terabits per second (Tbps) or up to 240 gigabits per second (Gbps) per slot full duplex.  Select the relevant release number from the Version drop-down list.  So after the operation, the inactivated interface/routing-instances still exists on the backup Routing Engine.  The EX4600 offers fixed 10 Gpbs and modular 10 Gpbs and 40 Gbps ports, giving it the flexibility to also be implemented in data center top-of-rack and service provider aggregation deployments.  https://www.  This would be something like the MX240/480/960, EX8200/9200, M10i/40/120/320, and some others.  none—Stop the host OS and Junos OS on the device.  The EX9214 switch is a modular system that provides high availability and redundancy for all major hardware components, including Routing Engine module (RE module), Switch Fabric module (SF module), fan trays Upgrading the Software Using Unified ISSU.  Secure Zero Touch Provisioning.  A redundant system would host two Routing Engine cards, one being the primary and To upgrade the Routing Engine while it’s plugged into an SCBE2-MX or older SCB: Download the software related to your MX Series Routing Engine.  In some scenarios, a switch that is expected to work in Routing-Engine mode will be stuck as a Linecard even after reboot or even after running the request virtual-chassis reactivate command.  The EX9214 switch has a throughput of up to 13.  M320 router—Junos OS Release 6.  Prepare the MX960 Router for SCBE2-MX Upgrade.  Unified ISSU provides the following benefits: Eliminates network downtime during software image upgrades.  Juniper recommends making these changes during a Many high availability features, including graceful protocol restart, graceful Routing Engine switchover (GRES), nonstop software upgrade (NSSU), nonstop active routing (NSR), and nonstop bridging (NSB), are available for an EX Series Virtual Chassis that are not available on standalone EX Series switches.  Unified ISSU takes advantage of the redundancy provided by dual Routing On devices running Junos OS Evolved, take a “snapshot” of the files currently used to run the device and copy the files onto the alternate solid-state drive (SSD).  To enable graceful Routing Engine switchover, your system must meet these minimum requirements: M20 and M40e routers—Junos OS Release 5.  After completing the installation and.  (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 ( re0) or on the the Routing Engine in slot 1 ( re1 ).  This host OS manages the boot complex, CPU memory storage, and various other hardware components such as the physical functions.  The latest software ensures a healthy system—that is, a system that comprises Routing Engines, control boards, and FPCs—before the upgrade.  Graceful Routing Engine Switchover Concepts. 11.  Before upgrading, you must perform failovers so that all redundancy groups are active on only one device.  The behavior of this command depends on the type of switch, Virtual Chassis, or VCF where you run it, as follows: The original Virtual Chassis or VCF backup becomes the primary.  Symptoms.  It does not need to be upgraded, even when there is a software upgrade of the master Routing Engine on the same node.  Run the VMHost upgrade command as follows: &gt; request vmhost software add /var/tmp/junos-vmhost-install-ex92xx-x86-64-17.  Install the MX960 Routing Engine into the SCBE2-MX.  Routing Engine Slots.  Dec 24, 2020 · &gt;request routing-engine login other-routing-engine &gt;request routing-engine login re1. 4R3 and 11.  This avoided errors and the upgrade was successful.  Install the firmware package by using the request system software add path/package-name command.  Description.  Upgrading or downgrading Junos OS might take several minutes, depending on the size and configuration of the network.  The management process initiates Routing Engine switchover on the primary Routing Engines. 5 GHz dual-core Intel CPU with 8 GB memory and 32 GB SSD storage.  The following is the image upgrade workflow in Paragon Automation: Mar 7, 2024 · In the dual Routing Engine scenario, the backup Routing Engine does not sync up the configuration change while deleting an inactivated interface/routing-instances from the master.  (Optional) On devices that support dual or redundant Routing Engines, stop the host OS and Junos OS running on the Routing Engine in slot 0 ( re0) or the Routing Engine in slot 1 ( re1 ).  Routing Engine status: Slot 0: Migration, Upgrade, and Downgrade Instructions.  EX4650 Switches Hardware Overview. 1R1. 1F6.  ON THIS PAGE.  Up to 2. 10 Kernel 64-bit JNPR-12.  Nonstop software upgrade (NSSU) enables you to upgrade the software running on all member switches of supported Virtual Chassis with minimal traffic disruption during the upgrade.  On routing platforms with dual Routing Engines, network reconvergence takes place more quickly than on Use this guide to install hardware and perform initial software.  &gt; request vmhost reboot.  And if require we run below command for snapshot of OS Migration, Upgrade, and Downgrade Instructions.  The primary objective is: Introduction of NG-RE.  M10i router—Junos OS Release 6.  The SRX5800 Firewall has two SCBs installed and you can install a third SCB for switch fabric redundancy.  Complete the SCBE2-MX Upgrade.  This may happen after performing changes on the existing Virtual Chassis (VC) or due to unexpected hardware or power issues. 2 or later.  &gt;request routing-engine login backup.  Before the upgrade, back up the configuration files.  The unified in-service 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. 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.  Options.  Mar 5, 2012 · This article provides information about the procedure to upgrade Junos OS and the Loader software on stand-alone EX8200 switches to the resilient dual root file system.  MX960 Routing Engine Description.  Downgrading from Junos OS Release 21.  Nonstop bridging (NSB) and nonstop active routing (NSR)—NSB and NSR on the EX3400 switch ensure control plane protocols, states, and tables are synchronized between primary and backup REs to prevent protocol flaps or convergence issues following a Routing Engine failover.  Use this guide to install hardware and perform initial software configuration, routine maintenance, and troubleshooting for the MX960 5G Universal Routing Platform. 1 or later. E.  GRES preserves interface and kernel information, and traffic is not interrupted.  Remove the MX960 Routing Engine.  This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for Junos fusion for provider edge.  Junos OS processes run on top of a kernel, which enables communication between processes and provides a direct link to the Packet Forwarding Engine software.  Power Off the MX960 Router. tgz. youtube.  Upgrading or downgrading Junos OS might take several minutes, depending on the size Oct 28, 2023 · The MX304 router runs the Junos operating system (Junos OS). 7 or later.  Nonstop software upgrade (NSSU)—With NSSU, all members of an EX3400 Downgrading from Release 22. 0 or later.  Packet Forwarding Engine (PFE)—The Packet Forwarding Engine performs Layer 2 and Layer 3 packet switching, route lookups, and May 22, 2008 · Understanding Management Ethernet Interfaces.  Run the show version command to verify that the firmware package is installed.  Starting in Junos OS Release 21.  To disable the control link, run the set chassis cluster control-interface &lt;node0/node1&gt; disable on node 0 or node 1.  Junos OS documentation for information about further software configuration.  Note: To upgrade the Junos OS on RE-S-X6, RE-MX-X8, and RE-PTX-X8 Routing Engines, always use the VM Host Installation Package.  Nov 9, 2012 · A checklist that can be used to troubleshoot RE High CPU utilization related issues on M/MX/T routers.  The CM_MSG_READY message from the chassis process on the routing nodes indicate that the unified ISSU is complete on the FRUs.  Aug 10, 2010 · The minimal downtime upgrade method (also referred to as LICU, Low Impact Cluster Upgrade) allows upgrading one node at a time, while the other cluster node keeps forwarding the traffic.  user@switch&gt; show chassis hardware.  no-copy no- validation reboot.  Upgrading a Router with Redundant Routing Engines.  Feb 7, 2020 · ISSU Upgrade limitations on SRX High End Firewalls .  It has pluggable Routing Engines (it supports one or two Routing Engines), two dedicated AC, DC, or HVAC/HVDC power supply modules, and front-to-back cooling.  Do not use the jinstall package.  A Routing Engine that is not redundant is hot-pluggable.  Downgrading from Release 21.  For example: user@switch&gt; request vmhost software add /var/tmp/junos-vmhost-install-qfx-x86-64-20.  To configure GRES, include the graceful-switchover statement at the [edit chassis redundancy] hierarchy level.  Mar 30, 2019 · It has been observed that under the following conditions that the SRX might be stuck in boot stage 3 due to a corruption encountered during the BIOS upgrades: Routing Engine BIOS has been upgraded on the device from the CLI: &gt; request system firmware upgrade re bios.  Jul 7, 2023 · Solution. 4 or later and on EX6200 switches running Junos OS Release 12.  Upgrading or downgrading Junos OS can take several hours, depending on the size and configuration of the network.  lab&gt; show chassis routing-engine.  At any time, one bank acts as the primary bank and the Routing Engine boots from it. 4, and later releases.  Routing-Engine-operation-and-troubleshooting.  The difference in the Junos versions between the REs can lead to communication issues between them. txt.  Perform the following checks: Check the CPU utilization on the Junos device with the command: show chassis routing-engine.  Nonstop software upgrade (NSSU) enables you to upgrade the software running on Juniper Networks EX Series Ethernet Switches with redundant Routing Engines and all member switches in EX Series By default, graceful Routing Engine switchover (GRES) is disabled.  Junos OS runs as guest OS, manages the virtual functions, and serves Dec 24, 2020 · &gt;request routing-engine login other-routing-engine &gt;request routing-engine login re1.  Before you configure member IDs and Virtual Chassis ports, you must enable graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) on both member routers in the Virtual Chassis. 6 Tbps of forwarding capacity.  Enable nonstop active routing (by default, nonstop active routing is disabled): [edit routing-options] user@switch# set nonstop-routing.  There are two EX9200 Routing Engines: the EX9200-RE* and EX9200-RE2. 3.  date_range 13-Feb-23.  The other bank is the backup bank; if the Routing Engine cannot boot from the primary bank, it boots from the backup bank.  Enabling Graceful Routing Engine Switchover and Nonstop Active Routing for a Virtual Chassis | Junos OS | Juniper Networks ON THIS PAGE.  NSSU was introduced for the EX8200 series Switches starting with 10.  Dec 21, 2023 · 1.  This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS.  date_range 25-Nov-22.  When you power on the device, it starts (boots) using the installed software.  The backup BIOS is upgraded first and then the upgrade of the primary BIOS re0 | re1. 1 onwards) support dual routing engines when using KVM as the virtualisation technology.  This section contains the procedure to upgrade Junos OS, and the upgrade and downgrade policies for Junos OS for the MX Series.  Dual redundant Routing Engines (REs) run Junos OS, where they manage all routing protocol processes, router interface control, and control plane functions such as chassis components, system management, and user access to the router.  This issue has been addressed via PR/1586229.  URL Name.  lines after hardware swap.  Both routing-engines were eventually on the same 64 bit Junos version.  (Optional) Specify the Routing Engine on which Junos OS and the host OS are to be rebooted.  Unified ISSU is supported only by dual Routing Engine platforms.  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.  You may gather the serial number of the routing engine control board by running the command &quot;&gt; show chassis hardware&quot; and you will notice that the routing engine row says it is built-in, although you should use the serial number that corresponds to the Control Board named as CB 0 or CB 1.  Important: During a Routing Engine switchover, network downtime can occur.  The CLI commands work as follows: In configuration mode.  The host subsystem is composed of a Routing Engine installed directly into a slot on the faceplate of the SCB.  Migration, Upgrade, and Downgrade Instructions.  NSSU upgrades the software running on the Routing Engines and line cards with minimal traffic disruption during the upgrade.  Upgrading or downgrading Junos OS might take several hours, depending on the size and configuration of the network.  Power On the MX960 Router.  Jul 11, 2019 · However, if the platform has dual Routing Engines installed, Routing Engine power recycling could be done by power recycling the CB module from the primary Routing Engine.  Typically, this referrs to chassis platforms that have a routing engine (supervisor in Cisco world) that is independent of the line cards with the actual ports on it.  The graceful Routing Engine switchover (GRES) feature in Junos OS and Junos OS Evolved enables a device with redundant Routing Engines to continue forwarding packets even if one Routing Engine fails.  This upgrade installs the host image along with the compatible Junos OS. 4R3.  Feb 29, 2024 · Present article is to advise client on how to synchronize configuration on Dual Routing Engine Chassis, specially when there was a hardware R.  KB15389 .  QFX5100 Highlights.  Slide the Routing Engine into the SCBE2 until you feel resistance, and then press the Routing Engine&#39;s faceplate until it engages the connectors.  Locate the USB device ID that Junos is associating to the USB stick: user@srx&gt; start shell user@srx% ls /dev/ &gt; /var/tmp/before_USB.  Redundant Routing Engines are two Routing Engines that are installed in the same routing platform.  Solution We would like to show you a description here but the site won’t allow us. tgz image.  --- JUNOS 21.  Apr 15, 2021 · Hello Community, Planning to upgrade two 204 MX routers (each with single RE) from 18.  Increased fault tolerance.  Consider the following scenarios when upgrading an MX960 SCB-MX or SCBE-MX You may have to upgrade Junos OS on the aggregation devices in your Junos Fusion Enterprise after initial setup.  In the Install Package section, select the software package for the release. 2.  T320 router, T640 router, and TX Matrix router—Junos OS Release 7.  To see which platforms support Secure Zero Touch Provisioning (SZTP), go to Feature Explorer. com/channel/UC9J5QyG3PDOM3ak5gEy9IGA?sub_confirmation=1What we will covermx family 240/480/960 dual routing engine junos upgrade00:00: Junos OS consists of software processes that support Internet routing protocols , control router interfaces and the router chassis, enable router system management, and much more. 73 GHz Intel processor with 16 gigabytes of DRAM and dual front pluggable SSDs, each providing 32 GB of storage for Junos OS images and logs.  The host subsystem provides routing protocol processes, as well as software processes that control the router’s interface, the chassis components, system management, and user access to the router.  Upgrading an MX960 to Use the SCBE2-MX. 1R1, the EX switch file system will be formatted from a 3 slice partition to a 4 slice partitioning scheme.  Now we made some configuration changes to this routing engine and now i want to restore the master RE.  Run the command, &#39;request vmhost software add. 9.  Routing Engine Redundancy.  Download the Junos OS package that you want to place onto the EX Series switch from the Internet onto the USB flash drive by using your computer or other device.  Upgrading Software on a Virtual Chassis and Mixed Virtual Chassis Using Nonstop Software Upgrade | Junos OS | Juniper Networks To upgrade the software, you can use the following methods: If the installation package resides locally on the switch, execute the request vmhost software add &lt;pathname&gt;&lt;source&gt; command.  May 5, 2023 · Category: PTX10K Routing Engine; 1698894: The communication between primary and backup Routing Engines breaks in the event of scale network churn Product-Group=junos: On PTX Series routers and QFX Series switches with dual Routing Engines running Junos OS, high host-bound traffic can cause a memory issue.  Upgrade and downgrade options.  The following options are available: Jan 25, 2018 · The second Routing Engine, to be installed on SRX5000 line devices only, does not provide backup functionality.  What logs to collect when a problem occurs while performing ISSU (In Service Software Upgrade) KB17410 .  NOTE: The SCBE2-MX is supported The EX4600 line of Ethernet switches delivers data center class scale, high availability, and high performance to campus distribution deployments.  Jun 1, 2021 · [Junos] Major alarm &#39;Host 1 ECC 53 parity error&#39; generated during dual Routing-Engine software upgrade [MX/PTX] Next Generation routing-engine alarm &#39;Major Host X ECC single bit parity error&#39; Syslog message: idmem_slice.  Routing Engine operation and troubleshooting.  In that case,the purpose of the second Routing Engine is only to initialize the switch on the SCB.  If you have not already done so, connect to the console port on the switch from your management device, and log in to the Junos OS CLI.  basic configuration procedures covered in this guide, refer to the. 2R1.  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 Dec 5, 2018 · Recent releases of the Juniper vMX (18.  The attachment below is a JTAC White Paper that describes the Next Generation Routing Engine for MX and PTX routers. 8.  .  when the router restarted it picked the backup router and not the active one. 4R1 or later using the standard Junos OS upgrade process, the i40e NVM firmware upgrade is done automatically during the upgrade In order to perform VM Host upgrade, use the junos-vmhost-install-x.  The snapshot contains the complete contents of the /soft, /config, and /root directories, which include the current and all rollback software images, copies of user data, the Jun 18, 2019 · Second routing-engine is usually used in cluster environment where it requires dual control link functionality.  Jun 3, 2011 · Increase the mastership-priority parameter of the device that you desire to change to a higher value than that of the current primary Routing Engine.  You can also type the name of the feature in the Search Feb 11, 2011 · Description.  Mar 7, 2022 · Description.  Aug 1, 2019 · Download the VMHost image by navigating to Downloads and searching for EX92xx (make sure that you use the one listed as VMHost). 2f59a40_build.  Routing Engines and Storage Media (Junos OS) Juniper Networks routing platforms are made up of two basic routing components: Routing Engine—The Routing Engine controls the routing updates and system management.  Feb 11, 2010 · Follow these steps to install the software via the CLI from a USB stick: Download the Junos upgrade file to the USB stick. 3R2.  My understandings are, when I plug in the new routing RE0, it should be a backup RE and should synchronize Routing Engine Redundancy Overview.  To rollback: Jun 22, 2022 · Understanding Management Ethernet Interfaces.  1.  One functions as the primary, while the other stands by as a backup should the primary Routing Engine fail.  The MX304 host subsystem consists of up to two Routing Engines.  High-density configurations—72 ports of 10GbE in a 1 U platform; 96 ports of 10GbE in a 2 U platform; and 32 ports of 40GbE in a 1 U platform.  routing-engine. &#39; directly from RE1, the routing-engine which is to be upgraded.  A Juniper Networks device is delivered with Junos OS preinstalled.  This is achieved by isolating the node which is being upgraded.  Starting in Junos OS release 21.  RE-S-X6-64G is not compatible with the SCB or the SCBE. .  Need to transfer updated configuration lines to a backup Routing Engine, which might have stable or default config.  One or both of the routing engines do not need to be configured on the same host – it is supported to run the routing engines on another host if required.  For example, to install the jfirmware-15. 1R4-S4.  Title.  I got an MX480 with dual RE.  Upgrade the system with the JUNOS image version, which supports i40e NVM firmware upgrade (listed above) and reboot the system to load the newly installed JUNOS image.  In the Features Grouped by Feature Family box, select Secure ZTP.  However, if the Junos OS version is upgraded to 21.  If you disable the links using the configuration command, the links remain disabled even after system reboot. 56 Tbps Layer 2 and Layer 3 performance and as low as 550 ns latency 1.  In the Find a Product box, enter the Junos OS platform for the software that you want to download.  It accepts up to three line card MICs (LMICs), each with a Trio 6. 3 or later by issuing the show version command on the primary router.  Mar 5, 2012 · The loader software for an EX8200 Routing Engine resides in two flash memory banks.  SUMMARY Nonstop software upgrade (NSSU) is a feature that enables the upgrade of all supported EX Series switches in a network with a single command.  This section contains the procedure to upgrade or downgrade Junos OS and satellite software for a Junos fusion for enterprise.  Insert the USB device into the USB slot.  We would like to show you a description here but the site won’t allow us.  KB16652 .  After completing the installation and basic configuration procedures covered in this guide, refer to the Junos OS documentation for information about further software configuration.  The unified ISSU control moves back to the management process on the global primary Routing Engine.  The in-service software upgrade (ISSU) feature allows a chassis cluster pair to be upgraded from supported Junos OS versions with a traffic impact similar to that of redundancy group failovers.  Solution.  change.  These processes run on top of a kernel that interacts with the PFE To configure nonstop active routing on a switch: Enable graceful Routing Engine switchover (GRES): [edit chassis redundancy ] user@switch# set graceful-switchover. 4R1.  Upgrading or downgrading Junos OS and satellite software might take several hours, depending on the size and configuration of the Junos fusion for SUMMARY Devices are delivered with Junos OS Evolved already installed on them.  Universal Routing Platform. *Corrected single bit ECC error Over the hardware layer, a Linux-based OS provides the host environment along with the kernel-based virtual machine (KVM) and Quick Emulator (QEMU). 2R1, all Junos OS products which were user@host&gt; request routing-engine login other-routing-engine. 11 and got a little confused about below: from Juniper documentation I found below commands: &gt;request vmhost software add /var/tmp/junos-vmhost-install-mx-x86-64-19.  The EX4650 provides the flexibility to support mixed 1-Gigabit Ethernet, 10-Gigabit Ethernet, 25-Gigabit Ethernet, 40-Gigabit Ethernet, and 100-Gigabit Ethernet SUMMARY A Juniper Networks device is delivered with the Juniper Networks operating system (Junos OS Evolved) already installed.  In the Explore Features section of the Feature Explorer page, select All Features.  (Optional) Specify the Routing Engine on which the host OS and Junos OS needs to be stopped.  SRX Getting Started - Junos Software Installation/Upgrade architectural elements.  Supported Routing Engines.  If the host system is redundant, the backup Routing Engine is hot-removable and hot-insertable, but the primary Routing Engine is hot-pluggable.  Hardware and software prerequisites.  Reboot the device.  graceful-switchover ; When you enable GRES, the command-line interface (CLI) indicates which Routing Engine you are using.  NSSU is supported on EX8200 switches running Junos OS Release 10.  Remove the USB flash drive from the computer or other device.  Dec 15, 2020 · Solution.  As new features and software fixes become available, you must upgrade your software to use them.  Unified ISSU takes advantage of the redundancy provided by dual Routing Engines and works in conjunction with the graceful Routing Engine switchover feature and the nonstop active routing feature.  As new features and software fixes become available, you must upgrade Junos OS Evolved to use them.  Copy the image to /var/tmp/ on the switch.  Juniper Networks EX4650 Ethernet Switches provide connectivity for high-density environments, scalability for growing networks, and redundancy.  Press both of the ejector handles inward to seat the Routing Engine.  (Optional) Back up the current software configuration to a The Routing Engine RE-S-X6-64G is supported only on the SCBE2.  In addition, graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) must be enabled. tgz package: user@host&gt; request system software add jfirmware-15.  [M/T-Series] Routing Engine Network Operation Guide (NOG) Monitoring and Troubleshooting Guide.  Apr 3, 2016 · Report a Security Vulnerability. 9 to 19. 1-20210529.  Unified ISSU enables you to upgrade from one Junos OS release to another with no disruption on the control plane and with minimal disruption of traffic.  The EX9200-RE* supports control and management plane functionality with an integrated Routing Engine that features a quad-core, 1.  Note: routing engine will take restart.  (On all members, the mastership-priority value is 128 by default.  KB9475 - Mapping between FRU part numbers and model numbers.  Starting with Junos 10. 0 chipset and 1.  Select Junos Evolved from the OS drop-down list.  And if require we run below command for snapshot of OS Oct 1, 2013 · Redundant REs are hardware-specific.  configuration, routine maintenance, and troubleshooting for the MX10003.  Routing Engine Interface Ports.  so in my view second routing engine does not have to be the same software version.  Insert the USB flash drive into the USB port on the switch.  How to: Copy a file from one node to the other node in a JSRP Chassis Cluster .  Perform a nonstop software upgrade (NSSU) on a switch with redundant Routing Engines or on a Virtual Chassis or Virtual Chassis Fabric (VCF).  &gt; show version &gt;request system software add /var/tmp/junos-vmhostall-mx-x86-64-16.  Jan 10, 2011 · 1.  To quickly access the information you need, click on the link in Table 1.  Command &#39;show chassis routing-engine&#39; example output: [SRX]show chassis routing-engine (View) [MX/PTX/EX/QFX/ACX]show chassis routing-engine.  Then move the traffic over to the upgraded node and isolating and upgrading the other node.  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