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HP 6125XLG Configuration Manual

Blade switch irf configuration guide
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HP 6125XLG Blade Switch
IRF

Configuration Guide

Part number: 5998-3716
Software version: Release 2306
Document version: 6W100-20130912

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  • Page 1: Configuration Guide

    HP 6125XLG Blade Switch Configuration Guide Part number: 5998-3716 Software version: Release 2306 Document version: 6W100-20130912...
  • Page 2 HEWLETT-PACKARD COMPANY MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

  • Page 3: Table Of Contents

    Contents IRF overview ································································································································································· 1   Hardware compatibility ···················································································································································· 1   IRF benefits ········································································································································································· 1   Application scenario ························································································································································· 1   Network topologies ·························································································································································· 2   Basic concepts ··································································································································································· 2   IRF member roles ······················································································································································ 2   IRF member ID ··························································································································································· 2  ...
  • Page 4 Configuring LACP MAD ········································································································································ 26   Configuring BFD MAD ·········································································································································· 27   Configuring ARP MAD ·········································································································································· 28   Configuring ND MAD ··········································································································································· 29   Excluding a port from the shutdown action upon detection of multi-active collision ······································ 30   Recovering an IRF fabric ··············································································································································· 31  ...

  • Page 5: Irf Overview

    This book describes IRF concepts and guides you through the IRF setup procedure. Hardware compatibility An HP 6125XLG blade switch can form an IRF fabric only with devices in the same series. IRF benefits IRF provides the following benefits: Simplified topology and easy management—An IRF fabric appears as one node and is accessible...

  • Page 6: Network Topologies

    Figure 1 IRF application scenario Network topologies An IRF fabric can use a daisy chain topology or a ring topology. Full meshed topology is not supported. For information about connecting IRF member devices, see "Connecting physical IRF ports." Basic concepts This section describes the basic concepts you might encounter when you work with IRF.

  • Page 7: Irf Port

    IRF port An IRF port is a logical interface for the connection between IRF member devices. Every IRF-capable device supports two IRF ports. The IRF ports are named IRF-port n/1 and IRF-port n/2, where n is the member ID of the switch. The two IRF ports are referred to as "IRF-port 1" and "IRF-port 2" in this book for simplicity.

  • Page 8: Irf Split

    Figure 2 A network that comprises two IRF domains Core network IRF 1 (domain 10) Device A Device B IRF link IRF 2 (domain 20) Device D Device C IRF link Access network IRF split IRF split occurs when an IRF fabric breaks up into two or more IRF fabrics because of IRF link failures, as shown in Figure 3.

  • Page 9: Member Priority

    Figure 4 IRF merge IRF 1 IRF 2 IRF link Device A Device A Device B Device B Member priority Member priority determines the possibility of a member device to be elected the master. A member with higher priority is more likely to be elected the master. The default member priority is 1.
  • Page 10 2 -rw- 12175360 Jan 07 2013 11:02:10 6125xlg-cmw710-boot-a2300.bin 3 -rw- 11035648 Jan 01 2011 01:14:01 6125xlg-cmw710-boot-t2302.bin 4 -rw- 60606464 Jan 07 2013 11:02:10 6125xlg-cmw710-system-a2300.bin 5 -rw- 32973824 Jan 01 2011 01:14:37 6125xlg-cmw710-system-t2302.bin 6 -rw- 44016640 Jan 01 2011 01:09:49 6125xlg.ipe...

  • Page 11: Configuration Synchronization Mechanism

    Configuration synchronization mechanism IRF uses a strict running-configuration synchronization mechanism so all chassis in an IRF fabric can work as a single node, and after the master fails, other members can operate correctly. In an IRF fabric, all chassis get and run the running configuration of the master. Any configuration you have made is propagated to all members.

  • Page 12: Lacp Mad

    These MAD mechanisms identify each IRF fabric with a domain ID and an active ID (the member ID of the master). If multiple active IDs are detected in a domain, MAD determines that an IRF collision or split has occurred. You can use at least one of these mechanisms in an IRF fabric, depending on your network topology.

  • Page 13: Bfd Mad

    If the domain IDs and the active IDs in the extended LACPDUs sent by all the member devices are • the same, the IRF fabric is integrated. If the extended LACPDUs convey the same domain ID but different active IDs, a split has occurred. •...

  • Page 14: Arp Mad

    When the IRF fabric splits, the IP addresses of the masters in the split IRF fabrics take effect, and the • two masters can establish a BFD session. If you execute the display bfd session command, the state of the BFD session between the two devices is Up. Figure 6 BFD MAD application scenario Customer premise...

  • Page 15: Nd Mad

    Figure 7 ARP MAD application scenario Customer premise network STP domain (all devices must run the spanning Device tree feature) IRF link Subordinate Master Internet Common traffic path Extended ARP traffic path Each IRF member compares the domain ID and the active ID in incoming extended ARP packets with its domain ID and active ID: •...
  • Page 16 Figure 8 ND MAD application scenario Customer premise network STP domain (all devices must run the spanning Device tree feature) IRF link Subordinate Master Internet Common traffic path Extended ND traffic path Each IRF member device compares the domain ID and the active ID in incoming NS packets with its domain ID and active ID: •...

  • Page 17: Configuring Irf

    Configuring IRF To ensure a successful IRF setup, read the configuration restrictions and guidelines carefully before you connect and set up an IRF fabric. General restrictions and configuration guidelines Software requirements All IRF member switches must run the same software image version. IRF physical port restrictions and binding requirements To connect blade switches in different chassis into an IRF fabric, you must use the SFP+ and QSFP+ ports on the switch front panel.

  • Page 18: Irf Link Redundancy

    Before you bind an SFP+ port to an IRF port or remove it from the IRF port, you must shut down all • the SFP+ ports in the same group. Downlink 10-GE Ethernet port restrictions When you use the downlink 10-GE Ethernet ports on the switch rear panel as IRF physical ports, follow these guidelines: If you use one of the downlink 10-GE Ethernet ports for IRF connection, you must also use all the •...

  • Page 19: Setup And Configuration Task List

    Save any configuration you have made to the startup configuration file before you reboot the IRF • member devices. Setup and configuration task list HP recommends the basic IRF setup procedure in Figure 9. Perform the tasks in this figure on each member device.

  • Page 20: Planning The Irf Fabric Setup

    Setup and configuration procedure Remarks HP recommends enabling (Optional.) Enabling software auto-update for software image software auto-update to make sure synchronization system software image synchronization. (Optional.) Setting the IRF link down report delay (Required.) Configuring MAD: Configuring LACP MAD MAD mechanisms are Configuring BFD MAD independent of one another.

  • Page 21: Specifying A Priority For Each Member Device

    Step Command Remarks Enter system view. system-view Assign a member ID to a irf member member-id renumber The default IRF member ID is 1. member device. new-member-id If you have bound physical ports to IRF ports or assigned member (Optional.) Save the priority, save the configuration save configuration.

  • Page 22: Binding Physical Ports To Irf Ports

    Figure 10 Connecting IRF physical ports Connect the devices into a daisy chain topology or a ring topology. A ring topology is more reliable (see Figure 1 1). In ring topology, the failure of one IRF link does not cause the IRF fabric to split as in daisy chain topology.
  • Page 23 Step Command Remarks • Enter interface range view: Method 1: interface range { interface-type interface-number [ to To shut down a range of ports, enter interface-type interface range view. For more information interface-number ] } &<1-5> about bulk configuring interfaces, see Enter interface view Method 2: Layer 2–LAN Switching Configuration...

  • Page 24: Accessing The Irf Fabric

    Step Command Remarks Return to system quit view. Activating IRF port configurations can cause IRF merge and reboot. To avoid data Save the save loss, save the running configuration to the configuration. startup configuration file before you perform the operation. After this step is performed, the state of the IRF port changes to UP, the member devices automatically elect a master, and...

  • Page 25: Configuring Irf Link Load Sharing Mode

    Configuring IRF link load sharing mode On an IRF port, traffic is balanced across its physical links. By default, traffic is distributed automatically based on packet types, including Layer 2, IPv4, and IPv6. You can configure the IRF port to distribute traffic based on certain criteria, including IP addresses, MAC addresses, and any combination of the criteria.

  • Page 26: Configuring Irf Bridge Mac Persistence

    Step Command Remarks Enter system view. system-view Enter IRF port view. irf-port member-id/port-number By default, packets are distributed automatically across IRF member links based on irf-port load-sharing mode Configure the port-specific packet types. { destination-ip | destination-mac | load sharing mode. source-ip | source-mac } * If you execute this command multiple times, the most recent...

  • Page 27: Enabling Software Auto-Update For Software Image Synchronization

    Step Command Remarks • Retain the bridge MAC address even if the master has changed: irf mac-address persistent always • Preserve the bridge MAC address By default, the IRF fabric Configure IRF bridge MAC for 6 minutes after the master preserves its bridge MAC persistence.

  • Page 28: Configuration Procedure

    Configuration procedure To enable an IRF fabric to automatically synchronize software images of the master to the devices you are adding to the IRF fabric: Step Command Remarks Enter system view. system-view Enable software By default, software auto-update irf auto-update enable auto-update.
  • Page 29 ND MAD • LACP MAD handles collisions in a different way than BFD MAD, ARP MAD, and ND MAD. To avoid conflicts, do not use LACP MAD together with any of those mechanisms. However, you can use BFD MAD, ARP MAD, and ND MAD together. Table 1 provides a reference for you to make a MAD mechanism selection decision.

  • Page 30: Configuring Lacp Mad

    Configuring LACP MAD When you use LACP MAD, follow these guidelines: • The intermediate device must be a device that supports extended LACP for MAD. If the intermediate device is also an IRF fabric, assign the two IRF fabrics different domain IDs for •...

  • Page 31: Configuring Bfd Mad

    Configuring BFD MAD When you use BFD MAD, follow these guidelines: Category Restrictions and guidelines • Do not enable BFD MAD on VLAN-interface 1. • If you are using an intermediate device, assign the ports of BFD MAD links to BFD MAD VLAN the BFD MAD VLAN on the device.

  • Page 32: Configuring Arp Mad

    Step Command Remarks • Assign the port to the VLAN as an access port: Choose one command port access vlan vlan-id depending on the port type. • Assign the port to the VLAN as a Assign the port or the range BFD MAD has no requirement for trunk port: of ports to the BFD MAD...

  • Page 33: Configuring Nd Mad

    Step Command Remarks By default, the IRF fabric Configure the IRF bridge preserves its bridge MAC MAC address to change as undo irf mac-address persistent address for 6 minutes after the soon as the master leaves. master leaves. Create a VLAN dedicated to The default VLAN on the device vlan vlan-id ARP MAD.

  • Page 34: Excluding A Port From The Shutdown Action Upon Detection Of Multi-Active Collision

    Step Command Remarks Enter system view. system-view Assign a domain ID to the IRF irf domain domain-id The default IRF domain ID is 0. fabric. By default, the IRF fabric Configure the IRF bridge preserves its bridge MAC MAC address to change as undo irf mac-address persistent address for 6 minutes after the soon as the master leaves.

  • Page 35: Recovering An Irf Fabric

    To configure a port to not shut down when the IRF fabric transits to the Recovery state: Step Command Remarks Enter system view. system-view Configure a network port to By default, all network ports on a not shut down when the IRF mad exclude interface interface-type Recovery-state IRF fabric are shut fabric transits to the...

  • Page 36: Displaying And Maintaining An Irf Fabric

    Figure 13 Active IRF fabric fails before the IRF link is recovered To manually recover an inactive IRF fabric: Step Command Enter system view. system-view Recover the inactive IRF fabric. mad restore After the IRF fabric is recovered, all ports that have been shut down by MAD come up automatically. Displaying and maintaining an IRF fabric Execute display commands in any view.

  • Page 37: Configuration Examples

    Task Command Display IRF configuration. display irf configuration Display the load sharing mode for display irf-port load-sharing mode [ irf-port [ member-id/port-number ] ] IRF links. Display MAD configuration. display mad [ verbose ] Configuration examples This section provides IRF configuration examples for IRF fabrics that use different MAD mechanisms. LACP MAD-enabled IRF configuration example Network requirements Set up a four-chassis IRF fabric at the access layer of the enterprise network in...
  • Page 38 Configuration procedure Configure Device A: # Shut down the physical ports used for IRF connection. This example uses the SFP+ port group that contains Ten-GigabitEthernet 1/1/7, Ten-GigabitEthernet 1/1/8, Ten-GigabitEthernet 1/1/11, and Ten-GigabitEthernet 1/1/12 for IRF connection. <Sysname> system-view [Sysname] interface range name irf interface ten-gigabitethernet 1/1/7 ten-gigabitethernet 1/1/8 ten-gigabitethernet 1/1/11 ten-gigabitethernet 1/1/12 [Sysname-if-range-irf] shutdown [Sysname-if-range-irf] quit...
  • Page 39 [Sysname-irf-port2/1] port group interface ten-gigabitethernet 2/1/8 [Sysname-irf-port2/1] quit # Bind Ten-GigabitEthernet 2/1/11 and Ten-GigabitEthernet 2/1/12 to IRF-port 2/2. [Sysname] irf-port 2/2 [Sysname-irf-port2/2] port group interface ten-gigabitethernet 2/1/11 [Sysname-irf-port2/2] port group interface ten-gigabitethernet 2/1/12 [Sysname-irf-port2/2] quit # Bring up the SFP+ ports and save the configuration. [Sysname] interface range name irf [Sysname-if-range-irf] undo shutdown [Sysname-if-range-irf] quit...
  • Page 40 [Sysname] save # Activate the IRF port configuration. [Sysname] irf-port-configuration active Device C reboots to join the IRF fabric. Configure Device D: # Change the member ID of Device D to 4, and reboot the device to validate the change. <Sysname>...
  • Page 41 You need to assign a domain ID (range: 0-4294967295) [Current domain is: 1]: The assigned domain ID is: 1 Info: MAD LACP only enable on dynamic aggregation interface. [Sysname-Bridge-Aggregation2] quit # Assign Ten-GigabitEthernet 1/1/5, Ten-GigabitEthernet 2/1/5, Ten-GigabitEthernet 3/1/5, and Ten-GigabitEthernet 4/1/5 to the aggregate interface. [Sysname] interface ten-gigabitethernet 1/1/5 [Sysname-Ten-GigabitEthernet1/1/5] port link-aggregation group 2 [Sysname-Ten-GigabitEthernet1/1/5] quit...

  • Page 42: Bfd Mad-Enabled Irf Configuration Example

    BFD MAD-enabled IRF configuration example Network requirements Set up a four-chassis IRF fabric at the distribution layer of the enterprise network in Figure Configure BFD MAD in the IRF fabric and set up BFD MAD links between each member device and the intermediate device.
  • Page 43 # Bind Ten-GigabitEthernet 1/1/7 and Ten-GigabitEthernet 1/1/8 to IRF-port 1/1. [Sysname] irf-port 1/1 [Sysname-irf-port1/1] port group interface ten-gigabitethernet 1/1/7 [Sysname-irf-port1/1] port group interface ten-gigabitethernet 1/1/8 [Sysname-irf-port1/1] quit # Bind Ten-GigabitEthernet 1/1/11 and Ten-GigabitEthernet 1/1/12 to IRF-port 1/2. [Sysname] irf-port 1/2 [Sysname-irf-port1/2] port group interface ten-gigabitethernet 1/1/11 [Sysname-irf-port1/2] port group interface ten-gigabitethernet 1/1/12 [Sysname-irf-port1/2] quit...
  • Page 44 [Sysname-if-range-irf] quit [Sysname] save # Activate the IRF port configuration. [Sysname] irf-port-configuration active The two devices perform master election, and the one that has lost the election reboots to form an IRF fabric with the master. Configure Device C: # Change the member ID of Device C to 3, and reboot the device to validate the change. <Sysname>...
  • Page 45 <Sysname> reboot # Connect Device D to Device B and Device C as shown in Figure 15, and log in to Device D. This example uses the SFP+ port group that contains Ten-GigabitEthernet 4/1/7, Ten-GigabitEthernet 4/1/8, Ten-GigabitEthernet 4/1/11, and Ten-GigabitEthernet 4/1/12 for IRF connection. # Shut down the physical ports.

  • Page 46: Arp Mad-Enabled Irf Configuration Example

    [Sysname-Ten-GigabitEthernet1/1/5] undo stp enable [Sysname-Ten-GigabitEthernet1/1/5] quit [Sysname] interface ten-gigabitethernet 2/1/5 [Sysname-Ten-GigabitEthernet2/1/5] undo stp enable [Sysname-Ten-GigabitEthernet2/1/5] quit [Sysname] interface ten-gigabitethernet 3/1/5 [Sysname-Ten-GigabitEthernet3/1/5] undo stp enable [Sysname-Ten-GigabitEthernet3/1/5] quit [Sysname] interface ten-gigabitethernet 4/1/5 [Sysname-Ten-GigabitEthernet4/1/5] undo stp enable Configure Device E as the intermediate device: CAUTION: If the intermediate device is also in an IRF fabric, assign the two IRF fabrics different domain IDs for correct split detection.
  • Page 47 Figure 16 Network diagram Configuration procedure Configure Device A: # Shut down the physical ports used for IRF connection. This example uses the SFP+ port group that contains Ten-GigabitEthernet 1/1/7, Ten-GigabitEthernet 1/1/8, Ten-GigabitEthernet 1/1/11, and Ten-GigabitEthernet 1/1/12 for IRF connection. <Sysname>...
  • Page 48 [Sysname-if-range-irf] quit [Sysname] save # Activate the IRF port configuration. [Sysname] irf-port-configuration active Configure Device B: # Change the member ID of Device B to 2, and reboot the device to validate the change. <Sysname> system-view [Sysname] irf member 1 renumber 2 Renumbering the member ID may result in configuration change or loss.
  • Page 49 # Connect Device C to Device A as shown in Figure 16, and log in to Device C. This example uses the SFP+ port group that contains Ten-GigabitEthernet 3/1/7, Ten-GigabitEthernet 3/1/8, Ten-GigabitEthernet 3/1/11, and Ten-GigabitEthernet 3/1/12 for IRF connection. # Shut down the physical ports. <Sysname>...
  • Page 50 [Sysname-irf-port4/1] port group interface ten-gigabitethernet 4/1/8 [Sysname-irf-port4/1] quit # Bind Ten-GigabitEthernet 4/1/11 and Ten-GigabitEthernet 4/1/12 to IRF-port 4/2. [Sysname] irf-port 4/2 [Sysname-irf-port4/2] port group interface ten-gigabitethernet 4/1/11 [Sysname-irf-port4/2] port group interface ten-gigabitethernet 4/1/12 [Sysname-irf-port4/2] quit # Bring up the SFP+ ports and save the configuration. [Sysname] interface range name irf [Sysname-if-range-irf] undo shutdown [Sysname-if-range-irf] quit...

  • Page 51: Nd Mad-Enabled Irf Configuration Example

    # Create VLAN 3, and assign ports Ten-GigabitEthernet 1/0/1, Ten-GigabitEthernet 1/0/2, Ten-GigabitEthernet 1/0/3, and Ten-GigabitEthernet 1/0/4 to VLAN 3 for forwarding ARP MAD packets. [DeviceE] vlan 3 [DeviceE-vlan3] port ten-gigabitethernet 1/0/1 to ten-gigabitethernet 1/0/4 [DeviceE-vlan3] quit ND MAD-enabled IRF configuration example Network requirements Set up a four-chassis IRF fabric in the IPv6 enterprise network in Figure...
  • Page 52 [Sysname-if-range-irf] shutdown [Sysname-if-range-irf] quit # Bind Ten-GigabitEthernet 1/1/7 and Ten-GigabitEthernet 1/1/8 to IRF-port 1/1. [Sysname] irf-port 1/1 [Sysname-irf-port1/1] port group interface ten-gigabitethernet 1/1/7 [Sysname-irf-port1/1] port group interface ten-gigabitethernet 1/1/8 [Sysname-irf-port1/1] quit # Bind Ten-GigabitEthernet 1/1/11 and Ten-GigabitEthernet 1/1/12 to IRF-port 1/2. [Sysname] irf-port 1/2 [Sysname-irf-port1/2] port group interface ten-gigabitethernet 1/1/11 [Sysname-irf-port1/2] port group interface ten-gigabitethernet 1/1/12...
  • Page 53 [Sysname] interface range name irf [Sysname-if-range-irf] undo shutdown [Sysname-if-range-irf] quit [Sysname] save # Activate the IRF port configuration. [Sysname] irf-port-configuration active The two devices perform master election, and the one that has lost the election reboots to form an IRF fabric with the master. Configure Device C: # Change the member ID of Device C to 3, and reboot the device to validate the change.
  • Page 54 Renumbering the member ID may result in configuration change or loss. Continue? [Y/N]:y [Sysname] quit <Sysname> reboot # Connect Device D to Device B and Device C as shown in Figure 17, and log in to Device D. This example uses the SFP+ port group that contains Ten-GigabitEthernet 4/1/7, Ten-GigabitEthernet 4/1/8, Ten-GigabitEthernet 4/1/11, and Ten-GigabitEthernet 4/1/12 for IRF connection.
  • Page 55 [Sysname-Vlan-interface3] ipv6 address 2001::1 64 [Sysname-Vlan-interface3] mad nd enable You need to assign a domain ID (range: 0-4294967295) [Current domain is: 1]: The assigned domain ID is: 1 Configure Device E as the intermediate device: CAUTION: If the intermediate device is also in an IRF fabric, assign the two IRF fabrics different domain IDs for correct split detection.

  • Page 56: Support And Other Resources

    Support and other resources Contacting HP For worldwide technical support information, see the HP support website: http://www.hp.com/support Before contacting HP, collect the following information: Product model names and numbers • Technical support registration number (if applicable) • • Product serial numbers Error messages •...

  • Page 57: Conventions

    Conventions This section describes the conventions used in this documentation set. Command conventions Convention Description Boldface Bold text represents commands and keywords that you enter literally as shown. Italic Italic text represents arguments that you replace with actual values. Square brackets enclose syntax choices (keywords or arguments) that are optional. Braces enclose a set of required syntax choices separated by vertical bars, from which { x | y | ...
  • Page 58 Network topology icons Represents a generic network device, such as a router, switch, or firewall. Represents a routing-capable device, such as a router or Layer 3 switch. Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports Layer 2 forwarding and other Layer 2 features.

  • Page 59: Index

    Index IRF LACP MAD, 26, IRF link load sharing mode, accessing IRF MAD, IRF fabric, IRF member device description, application IRF ND MAD, 29, IRF application scenario, IRF port-specific link load sharing mode, IRF ARP MAD application scenario, connecting IRF BFD MAD application scenario, IRF physical ports, IRF LACP MAD application scenario, IRF ND MAD application scenario,...
  • Page 60 IRF overview, IRF member priority, IRF physical port, IRF member roles, IRF physical port binding requirements, IRF merge, IRF physical port restrictions, IRF ND MAD, IRF port, IRF ND MAD configuration, IRF port shutdown exclusion, IRF network topologies, IRF software auto-update, IRF overview, IRF split, IRF physical port,...
  • Page 61 link down report delay, IRF link load sharing mode, link load sharing mode, IRF link redundancy, link redundancy, load sharing MAD, global mode configuration, MAD configuration, IRF mode configuration, MAD configuration restrictions, port-specific mode configuration, MAD detection, local MAD handling procedure, IRF fabric access local login, master election, member device description,...
  • Page 62 IRF application scenario, IRF ND MAD configuration, 29, physical port network binding requirements, IRF ARP MAD, IRF link redundancy, IRF ARP MAD configuration, IRF physical port connection, IRF BFD MAD, IRF port bind, IRF BFD MAD configuration, restrictions, IRF configuration synchronization, planning IRF domain ID, IRF fabric setup,...
  • Page 63 IRF ND MAD configuration, IRF networks, recovering IRF overview, IRF fabric, redundancy IRF link redundancy, updating remote IRF software auto-update, IRF fabric access remote login, restrictions VLAN IRF domain configuration, IRF ARP MAD configuration, IRF MAD configuration, IRF BFD MAD configuration, IRF physical ports, IRF ND MAD configuration, licensing,...

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