Nokia 7750 manual


Nokia 7750 manual. ESA-VMs are configured as a desired type and size (number of cores and amount of memory). The BNG CUPS UPF also supports configuration using the classic CLI. 7750 SR OS System Management Guide Page 477 Facility Alarms In This Chapter This chapter provides information about configuring event and accounting logs in the system. An update copies a new snapshot of the running datastore in the private baseline datastore and merges the changes from the private candidate datastore. 7750 SR OS Interface Configuration Guide Software Version: 7750 SR OS 9. Protocols, standards, and services described in this manual include the following: • IP router configuration Provides a comparison of the Nokia SR OS Model-Driven Command Line Interface (MD-CLI) with those used by Junos OS and IOS XR 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI User Guide: Provides information about how to use the MD-CLI Nokia 7450 ESS, 7750 SR, 7950 XRS, and VSR 20. 30 RFC 4005 / §4. The mixed mode state is then enabled by using the mixed-mode-upgrade command: Not Accessible for Security Reasons: The CID205421R22. The command outputs in the following sections are examples only; actual displays may differ depending on supported functionality and user configuration. The intended audience for the hardware guides in this documentation suite are network architects and designers, installers, and hardware maintenance technicians. 5 — Refer to the 7750 SR RADIUS Attributes Reference Guide. CLI Contexts. 7750 SR, 7950 XRS, and VSR 7750 SR OS System Management Guide Software Version: 7750 SR OS 10. x. Rx Software Release Notes, part number 3HE 18412 000 x TQZZA, for a list of unsupported features by platform and chassis. 7750 SR-a4 network router pdf manual download. This set of best practices for installation and maintenance of Nokia products, collected from hundreds of Nokia user and internal documents, serves to highlight common, yet often overlooked, requirements and recommendations. Please complete the Feedback Form and include the URL if you need access to the document and need help resolving the problem. Also for: 7750 sr-a8. Oct 31, 2023 · See the 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI Command Reference Guide and the 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI User Guide for more information. All specifications, procedures, and information in this document are subject to change and revision at any time without notice. A static default (0. 2. ¶s{,*£±Ò§ÏðÃV à +²A-咭ŸÏŽÝ>ù÷…·Þ±æÜû‰äß\ß>^–šu;W{H¸fK{þàÊÃуàœcçäšI!X^ÙC ‘dySûÅ¢yÚÌŒÑ0 This command allows manual configuration of static routing table entries. Jul 24, 2022 · Here you will learn how to configure a dynamic routing with ISIS link state protocol between different networks via the Nokia 7750. The vSIM runs the same Service Router Operating System (SR OS) as 7750 SR and 7950 XRS hardware- The Nokia 7750 Service Router (SR) series of IP routers delivers high-performance routing. tucker@engineer. Type in the phone number. 0. The availability of the DDM real-time information and the warning and alarm status is based on the transceiver. 7750 SR, 7450 ESS, 7950 XRS, and VSR Acronyms Customer Document and Product Support 1. This command opens a Telnet session to a remote host. The Nokia 7750 SR-s series of IP routers takes edge and core routing to new heights. R1 1. For more The SR OS documentation suite covers the software and hardware features and functionality of the 7450 ESS, 7750 SR, 7950 XRS, and VSR platforms. 6 — Refer to the 7750 SR RADIUS Attributes Reference Guide. The Nokia 7250 IXR meets their stringent requirements while supporting emerging architectures on the path to 5G, such as centralized and cloud RAN, distributed core, leaf-spine, and Multi-access Edge Computing (MEC). Merge conflicts detected in a manual update are reported and resolved. Network Hardware Nokia 7750 SR Installation Manual 7750 SR OS Interface Configuration Guide Software Version: 7750 SR OS 11. View and Download Nokia 7750 SR installation manual online. For more information about MD-CLI and the commands used to configure the BNG CUPS UPF, refer to the 7450 ESS, 7750 SR, and 7950 XRS MD-CLI User Guide. 6 %âãÏÓ 7684 0 obj > endobj xref 7684 583 0000000016 00000 n 0000018999 00000 n 0000019139 00000 n 0000019390 00000 n 0000019435 00000 n 0000019463 00000 n 0000019514 00000 n 0000019551 00000 n 0000019709 00000 n 0000019793 00000 n 0000019877 00000 n 0000019960 00000 n 0000020043 00000 n 0000020127 00000 n 0000020210 00000 n 0000020293 00000 n 0000020376 00000 n 0000020459 00000 n The Nokia 7750 Service Router (SR) portfolio delivers unrivalled performance, scale and versatility for the full array of IP edge and core applications. The Telnet server disconnects the Telnet client session after three retries. 0/0 or ::/0) route cannot be configured on the CPM Ethernet port. CLI commands are entered at the command line prompt. •7750 SR-1 Note: The conceptual and descriptive chapters of this guide provide configuration examples based on MD-CLI syntax. • 7750 SR OS Router Configuration Guide 7750 SR OS Basic System Configuration Guide Page 11 Preface About This Guide This guide describes system concepts and provides configuration explanations and examples to configure 7750 SR-Series boot option file (BOF), file system and system management functions. It is assumed that the network administrators have an understanding of networking principles and configurations. 7750 SR, 7450 ESS, and 7950 XRS Acronyms Customer Document and Product Support Caution: Although it is possible to forcefully remove a PFCP session, Nokia does not recommend invoking this command in a live network because this may cause the MAG-c to be out of sync with the BNG-UP. The Nokia 7750 SR product family consists of the Nokia 7750 SR series, the Nokia 7750 SR-s series, the Nokia 7750 SR-a series and the Nokia 7750 SR-e series. Step 2 Step 3 Mount the chassis. All state data in the Nokia SR OS YANG models sits in the urn:nokia. 7750 SERVICE ROUTER 7950 EXTENSIBLE ROUTING SYSTEM VIRTUALIZED SERVICE ROUTER Interface Configuration Guide Release 21. Better utilization of link groups into central sites, for example, improves the return on capital investment. Machine-to-machine (M2M), IoT, video, and gaming applications are putting pressure on your network. The 7705 SAR information center provides quick access to the technical documentation. For more information about MD-CLI and the commands used to configure the BNG CUPS UPF, refer to the 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI User Guide. 0 r1 February 2013 Document Part Number: 93-0072-10-01 *93-0072-10-01* View and Download Nokia 7705 SAR-W Series manual online. When an LSP is signaled and the local protection flag is set in the session_attribute object and/or the FRR object in the path message indicates that facility backup is desired, the PLR will establish a bypass tunnel to provide node and link protection. Caution: Although it is possible to forcefully remove a PFCP session, Nokia does not recommend invoking this command in a live network because this may cause the BNG CPF to be out of sync with the UPF. Although some Nokia SFPs support DDM, Nokia has not required DDM support in releases before Release 6. Documents under this category provide information about installing and setting up the Nokia Virtualized Service Router and Virtualized 7750 SR and 7950 XRS Simulator. Nokia 7450 ESS, 7750 SR, 7950 XRS, and VSR R15. PCRF to the 7750 SR and is echoed unmodified by the 7750 SR to the PCRF. The Home button () displays the Welcome page. 1. • 7750 SR OS System Management Guide This guide describes system security and access configurations as well as event logging and accounting logs. Cancel Submit. Protocols, standards, and processes described in this manual include the following: • CLI concepts † File system 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI Quick Reference Guide Provides a comparison of the Nokia SR OS Model-Driven Command Line Interface (MD-CLI) with those used by Junos OS and IOS XR 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI User Guide Provides information about how to use the MD-CLI 7450 ESS, 7750 SR, 7950 XRS, and VSR This guide provides a comparison of the Nokia SR OS Model-Driven Command Line Interface (MD-CLI) to those used by Junos OS and IOS XR. %PDF-1. It delivers the speed, capacity, power efficiency, flexible capability, network security and automation tools essential for IP networking in the 5G and cloud era. 0 R4 July 2012 Document Part Number: 93-0071-09-02 *93-0071-09-02* Nokia — Proprietary and confidential. r1 3he 18392 aaad tqzza 01 The Nokia 7705 SAR delivers legacy TDM and advanced IP/MPLS services making it ideal for industries, enterprises and governments and for niche applications in IP anyhaul networks. R5 Legal Disclaimers Customer Documentation and Product Support Legal Disclaimers Customer Documentation and Product Support 7450 ESS, 7750 SR, 7950 XRS, and VSR Acronym Reference Guide R15. May 7, 2024 · Powerful and flexible single-active and all-active multihoming with optional automated or manual operation and transient loop prevention. Features and benefits Speed and capacity Highly scalable platform Available in four system variants, the 7750 SR is highly scalable to fit in a variety of network Page 1 7750 SR-12 NSTALLATION UIDE Document Part Number: 93-0019-01 December 2003; Page 2 No portion of this document may be reproduced in any form or means without prior written permission from Alcatel. R1 Nokia 7450 ESS, 7750 SR, 7950 XRS, and VSR 22. A motivação inicial para essa ação é 'musical', isto é, coloca em jogo o subgênero no papel de 'som organizado', mas as coisas se complicam um pouco quando se entende que o interesse 'musical' de uma organização sonora não se contém nos fatos exclusivos do assim This section describes the Multi-Chassis LAG (MC-LAG) concept. ESA-VM types include services that also run on ISAs, thereby providing a virtualized ISA function as an ESA-VM within the SR system and as part of an 7750 service router 7950 extensible routing system segment routing and pce user guide release 22. The documentation suite covers areas such as An update of the private candidate configuration is needed when its private baseline datastore is out-of-date. 0 R4 July 2012 Document Part Number: 93-0070-09-02 *93-0070-09-02* Nokia 2780 Flip User Guide 3 Calls, contacts, and messages CALLS Make a call Learn how to make a call with your new phone. Show Commands. 7750 SR, 7450 ESS, 7950 XRS, and VSR Acronyms 7450 ethernet service switch 7750 service router 7950 extensible routing system virtualized service router md-cli user guide release 22. 6 %âãÏÓ 68305 0 obj >stream hÞŒS[oÓ0 槜Çí¡ø Ûi¤)RZ ¨Ä " Cªú`ZÓFJ“*ñ¤íÏ >'—1x µNü ëwŽí ©" LØ% A ¥ h0=00× b Š â 99•Å Øô%8|ÙÞÜ° ´ÑsÔØ*¨ëÒWîêç¯7Ùu ~ÁòÎu¾ !µ4 •¦ ¶Z. Topics in this chapter include: • Facility Alarms Overview on page 478 • Facility Alarms vs. All network interfaces must be migrated to ports on the 7750 SR cards. The 7750 SR product family consists of the 7750 SR-s series, the 7750 SR series, the 7750 SR-a series and the 7750 SR-e 7750 SR OS Basic System Configuration Guide Software Version: 7750 SR OS 10. Telnet servers in 7750 SRnetworks limit a Telnet clients to three retries to login. com/in/tucker0/E-mail: thomas. • 7750 SR • VSR The following chassis types are available for each 7750 SR OS router: • 7750 SR-a4/a8 • 7750 SR-1e/2e/3e • 7750 SR-12e • 7750 SR-7/12 • 7750 SR-1 • 7750 SR-7s • 7750 SR-1s/2s See the SR OS R22. It delivers the scale, comprehensive features and platform versatility needed to stay ahead of the evolving service demands driven by 5G, cloud and the Internet of Things (IoT). 7450 ESS, 7750 SR, 7750 Service Router (SR) Mobile Gateway; 7750 SR (Service Router) 7750 SR MG - Discovery Center; Nokia AAA (Authentication, Authorization & Accounting) Nokia AAA •7750 SR-1 Note: This guide provides configuration examples based on MD-CLI syntax. 7705 SAR-W Series network router pdf manual download. 6 %âãÏÓ 26452 0 obj >stream hÞ¬[Ys GŽîŸR 惤¼ ˆ‰‰ðˆ’­X]+jöŠy¡¨–ĵx, Ùž ¿»_"«ª‘GW5e Ãrvu5€Ä $R9 ü …ÿ‡Á ZÄAF %PDF-1. 31 Calling-Station-ID RFC 4005 / §4. Configure a batch file that executes after failover by using the config system switchover-exec CLI command. 7250 IXR The Nokia Virtualized 7750 SR and 7950 XRS Simulator (vSIM) is a Virtualized Network Function (VNF) that simulates the control, management, and forwarding functions of a 7750 SR or 7950 XRS router. Also for: 7705 sar-m, 7705, 3he05914aa, 3he05577aa, 3he05126aa, 3he07618aa, 3he07619aa. 5. This command displays facility alarms on the system. 30 Called-Station-Id RFC 2865 / §5. Mar 15, 2024 · The SR OS documentation suite covers the software and hardware features and functionality of the 7450 ESS, 7750 SR, 7950 XRS, and VSR platforms. The input can be modified to function as a high-voltage DC power supply for rated 110-250 VDC installations. The 7750 SR does not interpret this attribute locally. Navigating. R1 Legal Disclaimers Customer Documentation and Product Support Legal Disclaimers Customer Documentation and Product Support Acronyms Reference Guide Release 22. Use the CLI to access, configure, and manage Nokia’s routers. 1. System management Documents under this category provide information about configuring basic system functions and components on SR-series routers. ms/p/s!ApCTkcuWhXSaijHGVEM12h9eHiQc?e=w2XiVbRFC 4 7750 SR-2s Chassis Installation Guide 19. Page 34 7750 SR-7 System Installation Process Page 34 7750 SR-7 Page 35: Site Preparation 2. R1 This guide provides information about the Service Router Operating System (SR OS) user guides available for the 7450 ESS, 7750 SR, 7950 XRS, and VSR. 7. It is assumed that the ne twork administrators have an understanding of networking principles and config urations. O que seja um inventário do proibidão carioca e como realizá-lo dependem de por que se realize tal empreendimento. 6 %âãÏÓ 36490 0 obj >stream ·ª@Z `˜9ψC- wìœàÎ ;™‰‘kpB!r›r/ ¥8K §v×­9 ðãàßä(ÓÓùˆ_zò«‡Â }ç@ð¹Po²Ñ šÊÓdŒ ä Multiservice ISA (MS ISA) in an IOM3-XP, the 7750 SR can operate in two different modes, known as: • Large Scale NAT, and; • Layer 2-Aware NAT These two modes both perform source address and port translation as commonly deployed for shared Internet access. The 7705 SAR provides an easy migration path from TDM networks. Use pursuant to applicable agreements. The Nokia SR OS YANG state model is divided into a single top-level statistics module (nokia-state), a set of submodules (for example, nokia-state-system), and a set of nokia-types-* modules. 0 r4 September 2013 Document Part Number: 93-0072-10-04 *93-0072-10-04* 7750 SR and VSR Network Interface Shell Configuration and User Guide: Describes the Nokia Network Interface Shell (NISH) system architecture, functional overview, features, and how to install and set up the NISH Jul 20, 2019 · /* CONTACTLinkedIn: linkedin. Log Events on page 479 • Facility Alarm Severities and Alarm LED Behavior on Related Manuals for Nokia 7750 SR Network Hardware Nokia 7302 Basics, Management And Oam Manual 222 pages Intelligent services access manager/fttn/fx, fd 100/320gbps nt and fx nt ihub system SR OS Nokia 7450 ESS 7750 SR 7950 XRS VSR Documentation Suite Overview, Software documents, Hardware documents, Service Router platforms, Accessing and Searching Documentation Center, User Guide, Nokia Documentation, Nokia, Nokia Networks, 3HE15812AAAATQZZA, 2020, 20. Page 11: Send Messages Nokia 2780 Flip User Guide Call a contact You can call a contact directly from the contacts list. 7750 SR network hardware pdf manual download. The Nokia 7750 SR product family consists of the Nokia 7750 SR series, the Highly scalable interconnectivity. 7450 ETHERNET SERVICE SWITCH 7750 SERVICE ROUTER 7950 EXTENSIBLE ROUTING SYSTEM VIRTUALIZED SERVICE ROUTER Basic System Configuration Guide Release 21. R1 Nokia Confidential Information. 7750 SR, 7450 ESS, 7950 XRS, and VSR Acronyms 7750 SR and VSR Network Interface Shell Configuration and User Guide Describes the Nokia Network Interface Shell (NISH) system architecture, functional overview, features, and how to install and set up the NISH VSR Installation and Setup Guide Describes Nokia Virtualized Service Router (VSR) system architecture, functional overview, features, and 7750 SR OS Interface Configuration Guide Software Version: 7750 SR OS 11. txt) or read book online for free. In prior releases, the router implemented dynamic bypass tunnels as per RFC 4090, Fast Reroute Extensions to RSVP-TE for LSP Tunnels. 0 r4 July 2011 Document Part Number: 93-0072-08-04 *93-0072-08-04* For example, in a 7750 SR-1 with the 6-port QSFP28 mda-e-xp installed in the first MDA slot, initially there are no ports available, only six connectors: 7750 Service Router (SR) Mobile Gateway; 7750 SR (Service Router) 7750 SR MG - Discovery Center; Nokia AAA (Authentication, Authorization & Accounting) Nokia AAA Mar 15, 2024 · See the 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI Command Reference Guide and the 7450 ESS, 7750 SR, 7950 XRS, and VSR MD-CLI User Guide for more information. To reduce configuration, manual address aggregation should be applied where possible. The Nokia 7750 SR (Service Router) series, powered by fully-programmable FP silicon, drives the speed, capacity, power efficiency, flexible capability, network security and automation tools essential for IP networking in the 5G and cloud era for edge, peering and core networks. 7450 ETHERNET SERVICE SWITCH 7750 SERVICE ROUTER 7950 EXTENSIBLE ROUTING SYSTEM VIRTUALIZED SERVICE ROUTER ROUTER CONFIGURATION GUIDE RELEASE 19. The information contained herein is believed to be accurate as of the date of publication. These static routes are only used by traffic generated by the CPM Ethernet port. If the UPF contains a session that is not on the CPF, it is preferable to first run a manual PFCP audit. 7750 Service Router (SR) Mobile Gateway; 7750 SR (Service Router) 7750 SR MG - Discovery Center; Nokia AAA (Authentication, Authorization & Accounting) Nokia AAA Table 1 7450 ESS, 7750 SR, 7950 XRS, and VSR Software Guides Guide Title Description 7450 ESS, 7750 SR, 7950 XRS, and VSR Basic System Configuration Guide This guide describes CLI usage, BOF configuration, and file system management, as we ll as how to configure basic system management, node timing, and synchronization functions. 7450 ethernet service switch 7750 service router 7950 extensible routing system virtualized service router basic system configuration guide release 21. Protocols, standards, and processes described in this manual include the following: s t p e c n o c I L•C To configure mixed mode support, 7750 SR IOM3-XPs, 7750 MDAs, or 7750 SR IMMs must be installed in a 7450 ESS-7 or ESS-12 router that is running OS 8. R4 1. This manual is intended for network administrators who are responsible for configuring the 7750 SR-Series routers. This manual is intended for network administrators who are responsible for configuring the 7750 SR-Seriesrouters. Communication service providers, cloud, public and private network operators the world over rely on our innovative technology to power their mission-critical networks and services. 10. 0 or later. R1 3HE 15095 AAAA TQZZA 01 Issue: 01 May 2019 ROUTER CONFIGURATION GUIDE RELEASE 19. This guide also provides a reference chapter with the classic CLI The Nokia 7750 SR-a series of IP routers delivers the comprehensive features, platform versatility and compact platform that are essential for IP networking in the 5G and cloud era. MC-LAG is an extension of a LAG concept that provides node-level redundancy in addition to link-level redundancy provided by ‟regular LAG”. Service Router. If the BNG-UP contains a session that is not on the MAG-c, it is preferable to first run a manual PFCP audit. You must have web access to submit feedback. Saving a configuration Configuration changes are lost if the system is powered down or the router is rebooted before the changes are saved. View and Download Alcatel-Lucent 7750 SR-a4 installation manual online. com* /Presentation: https://1drv. ONT BGW320-505 network hardware pdf manual download. These guides are not included with the SR software documentation package. R1 Legal Disclaimers Customer Documentation and Product Support Legal Disclaimers Customer Documentation and Product Support Acronyms Reference Guide 20. 10 - Free ebook download as PDF File (. The documentation suite covers areas such as View and Download Nokia ONT BGW320-505 product manual online. SR OS Nokia 7450 ESS 7750 SR 7950 XRS VSR MD-CLI Quick Reference Guide, User Guide, Nokia Documentation, Nokia, Nokia Networks, 3HE152180000TQZZA, 2020, PDF, CLI, quick reference, CLI commands, nokia 7750 commands, MD-CLI Overview, Enabling the SR OS MD-CLI, Disabling the SR OS MD-CLI, Navigational and Operational Commands, Entering and Leaving A manual switchover can occur if a switchover is forced from an active CPM to a standby, then use the admin redundancy force-switchover command. R1 Legal notice 7750 SR, 7450 ESS, 7950 XRS, and VSR acronyms Customer Documentation and Product Support Legal notice 7750 SR-7 Overview 7750 SR-7 S YSTEM NSTALLATION ROCESS To install the 7750 SR-7 system, perform the installation procedures in the following order: Prepare the site. It is assumed that the network administrators have an understanding of Welcome to the HTML library for the Nokia 7450 Ethernet Services Switch, 7750 Service Router, 7950 Extensible Routing System, and Virtualized Service Router The 7450 ESS, 7750 SR, 7950 XRS, and VSR HTML library provides quick access to the technical documentation. I hope you benefit from t The ESA hardware is then booted by the 7750 SR CPM and available resources are discovered by the 7750 SR. Nokia 7450 ESS, 7750 SR, 7950 XRS, and VSR 20. 100W High Voltage Power Supply A 100W High Voltage Power Supply with integrated AC input is available for 100/240 VAC installations. To type in the + character, used for international calls, press * twice. . Welcome to the information center for the Nokia 7705 Service Aggregation Router. R1, Documentation Suite, Software guides, hardware guides, Downloaded PDF Manuals and User Guides for Nokia 7750 SR. 7 %âãÏÓ 128 0 obj > endobj 169 0 obj >/Filter/FlateDecode/ID[358EDA948CB24FE7BA419A8C43562FCB>6051431BA2D6C7469DCB0752B391B283>]/Index[128 62]/Info 127 0 R Nokia 7750 SR-a Service Router Release 23 The Nokia 7750 SR-a series of IP routers delivers the comprehensive features, platform versatility and compact platform that are essential for IP networking in the 5G and cloud era. 3. This manual is intended for network administrators who are responsible for configuring the 7710 SR-Seriesrouters. It may or may not indicate that DDM is supported. For product technical support, visit the OnLine Customer Support portal or the Product Index. SERVICE AGGREGATION ROUTER, MPLS. • 7750 SR OS Interface Configuration Guide This guide describes card, Media Dependent Adapter (MDA), and port provisioning. The 7750 SR with NAT is used to provide consumer broadband or business This manual is intended for network administrators who are responsible for configuring the 7750 SR-Series routers. Welcome to the information center for the Nokia 7450 Ethernet Services Switch, 7750 Service Router, 7950 Extensible Routing System, and Virtualized Service Router The 7450 ESS, 7750 SR, 7950 XRS, and VSR information center provides quick access to the technical documentation. Access to specific CLI commands is controlled by the permissions set by your system administrator. 2 document is not accessible due to security reasons, or unavailable. pdf), Text File (. 7750 SR instructions manual. Protocols, standards, and processes described in this manual include the following: • CLI concepts • File system %PDF-1. Improved resiliency for users and applications brings improved uptime and boosts user satisfaction. We have 1 Nokia 7750 SR manual available for free PDF download: Installation Manual Nokia 7750 SR Installation Manual (39 pages) Your Feedback will be sent to this document’s maintainer to improve Nokia documentation. Step 1 Unpack the chassis and components. r1 3he 18401 aaad tqzza 01 issue 01 october 2022 Nokia offers the following AC/DC and HVDC power supplies that can be used with 7705 SAR platforms. The Nokia 7750 SR series of IP routers deliver high performance with the scale, comprehensive features and platform versatility essential for IP networking in the 5G and cloud era. Alarm support is intended to cover a focused subset of router states that are likely to indicate service impacts (or imminent service impacts) related to the overall state of hardware assemblies (cards, fans, links, and so on). com:sros:ns:yang:sr:state XML namespace. r1 View and download Nokia 7750 manuals for free. aedol vheslb gbfjmk fqakz kvzl vwjv oqdpmyb dpkv joi vtq

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