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    Enable Advanced Routing
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    Enable Advanced Routing

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    Enable Advanced Routing

    PAN-OS 10.2 supports an Advanced Routing Engine.
    Although a supported firewall can have a configuration that uses the legacy routing engine and a configuration that uses the Advanced Routing Engine, only one routing engine is in effect at a time. Each time you change the engine that the firewall will use (you enable or disable Advanced Routing to access the advanced engine or legacy engine, respectively), you must commit the configuration and reboot the firewall for the change to take effect.
    Before you switch to the Advanced Routing Engine, make a backup of your current configuration.
    Similarly, if you configure Panorama with a template that enables or disables Advanced Routing, after you commit and push the template to devices, you must reboot the devices in the template for the change to take effect.
    When configuring Panorama, create device groups and Templates for devices that all use the same Advanced Routing setting (all enabled or all disabled). Panorama won’t push configurations with Advanced Routing enabled to lower-end firewalls that don’t support Advanced Routing. For those firewalls, Panorama will push a legacy configuration if one is present.
    The Advanced Routing Engine supports multiple logical routers (known as virtual routers on the legacy routing engine). The number of logical routers supported depends on the firewall model and is the same as the number of virtual routers supported on the legacy routing engine. The Advanced Routing Engine has more convenient menu options and there are many settings that you can easily configure in a profile (authentication, timers, address family, or redistribution profile) that you apply to a BGP peer group or peer, for example. There are also many static route, OSPF, OSPFv3, RIPv2, multicast, and BFD settings on the Advanced Routing Engine.
    The Advanced Routing Engine supports RIB filtering, which means you can create a route map to match static routes or routes received from other routing protocols and thus filter which routes are installed in the RIB for the logical router. This function is useful on firewalls with a smaller RIB or FIB capacity; you can still propagate the necessary routing updates without using memory needed elsewhere.
    1. Make a backup of your current configuration before you enable Advanced Routing.
    2. Enable the Advanced Routing Engine.
      1. Select
        Device
        Setup
        Management
         and edit the General Settings.
      2. Enable
        Advanced Routing
        .
      3. Before you click OK, make sure you have made a backup of your configuration for the legacy routing engine.
      4. Click
        OK
        .
      5. (
        PAN-OS 10.2.0 to 10.2.3
        ) A message about preview mode appears; click
        Yes
         to proceed to Commit step.
      6. (
        PAN-OS 10.2.4 and later 10.2 releases
        ) A warning appears:
        Select
        Yes
         to have the migration script convert each virtual router to a logical router and migrate your configuration to the advanced routing engine. (Select
        Skip
         to restart the system with an empty configuration. Select
        Cancel
         to cancel the process to enable Advanced Routing.)
      7. Click
        OK
         to approve the migration.
      8. The virtual routers, links to the logical routers, and their color-coded status are listed. Resolve any issues that require user intervention. Select
        Continue
      9. Click
        Yes
         to accept the migrated configuration.
      10. (
        PAN-OS 10.2.5 and later 10.2 releases
        ) Click
        OK
        .
      11. Commit
         and then select
        Device
        Setup
        Operations
         and
        Reboot Device
        . Then log back into the firewall.
        If the migration is not successful, generate the technical support file, log in to Palo Alto Networks Customer Support Portal, and report your issues to get help with your product.
      12. (
        Optional
        ) After successful migration, you can delete all virtual routers using the configuration mode CLI command:
        2. Execute the following command to remove all configurations from the legacy routing engine:
          username@hostname#
           delete network virtual-router <vr-name>
          You can delete virtual routers if you are going to make changes in the logical router configuration, which makes the virtual router configuration obsolete, causing commit failures. Although deleting virtual routers will avoid commit failures, be aware that deleting virtual routers will also permanently remove all configuration from the legacy routing engine and you won't be able to get the configuration back.
        3. Commit the changes to the firewall.
          username@hostname#
           commit
        When configuring in Panorama, you can select
        Network > Virtual Routers
         to delete all virtual routers. Commit the changes and push them to the relevant firewalls before continuing.
    3. Log back into the firewall.
    4. Select
      Network
      .
      Notice the menu items, which are more industry-standard and more detailed than the single item (Virtual Routers) on the legacy menu.
      Routing
       includes
      Logical Routers
       and
      Routing Profiles
      , which include
      BGP
      ,
      BFD
      ,
      OSPF
      ,
      OSPFv3
      ,
      RIPv2
      ,
      Filters
      , and
      Multicast
      .
    5. Select
      Interfaces
       and configure one or more Layer 3 interfaces with a static IP address or Configure an Interface as a DHCP Client.
    6. (
      Optional
      ) Create an Admin Role Profile to control granular access to logical routers and routing profiles for an Advanced Routing Engine.
      1. Select
        Device
        Admin Roles
         and
        Add
         an Admin Role Profile by
        Name
        .
      2. Select
        Web UI
        .
      3. Enable
        ,
        Disable
        , or select
        Read Only
         the following options:
        Network
        ,
        Routing
        ,
        Logical Routers
        ,
        Routing Profiles
        ,
        BGP
        ,
        BFD
        ,
        OSPF
        ,
        OSPFv3
        ,
        RIPv2
        ,
        Filters
        , and
        Multicast
         (default is Enable).
      4. Click
        OK
        .
      5. Assign the role to an administrator. Configure a Firewall Administrator Account.
    7. Commit
       the changes.
    8. If you downgrade from PAN-OS 10.2.5 or 10.2.4-h2 to a previous version, you must remove the SD-WAN virtual interface (VIF) from the logical router configurations before attempting a downgrade procedure.
      That is, you must select a different interface instead of SD-WAN VIF interface in the following
      Logical Router
       configurations:
      • Select
        Logical Router
        General
        Interface
         and specify a different
        Interface
        .
      • Select
        Logical Router
        Static
         and specify a different
        Interface
        .
      • Select
        Logical Router
        BGP
        Peer Group
        Peer
         and specify a different
        Interface
         for
        Local Address
        .

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