Configure Circuit Categories

Let us learn to configure circuit categories in Prisma SD-WAN.
Circuit categories are a logical grouping of various kinds of circuits and connectivity that may be present in the network. This grouping allows for simplified and reusable network policy rules for the entire network. For example, internet cable broadband, metered internet LTE links, satellite internet links, internet DSL, or private MPLS.
In an effort to reduce data usage on a metered LTE link, you can choose to exclude a circuit category from connecting to the controller for device related services.
Circuit categories are defined during initial site setup, but may be edited or changed at any time from the Policies tab. To edit circuit categories, select Policies and then select Circuit Categories. Working with circuit categories include defining circuit categories, defining circuit categories in application policies, assigning a circuit category to a site WAN network and site WAN interface, and assigning a circuit category to the ION interfaces.
  1. From
    Policies (Original)
    , or
    Security Policies (Original)
    , or
    Stacked Policies
    , select
    Circuit Categories
    .
  2. Edit a public or private circuit category.
    A total of 64 circuit categories are available; a maximum of 32 public circuits and 32 private circuits are allowed for each category.
  3. You can choose to enter a name for the circuit category instead of the default public or private category name.
    Pre-defined categories are pre-loaded in the system for you to edit and use as needed.
  4. (Optional)
    Enter
    Description
    and
    Tags
    if needed.
  5. Select the
    Use For Controller Connections
    check box to connect this circuit category to the controller for device related services.
    Deselect this check box to exclude this circuit category from connecting to the controller for device related services. For example, deselect for metered LTE circuits.
    Settings configured at the Circuits level take higher precedence over the settings configured at the Circuit Category level.
  6. Select the
    Use for Application Reachability Probes
    check box to connect this circuit category to check the reachability of an application on a given path.
    Deselect this check box to exclude this circuit category from checking for reachability of an application on a given path. For example, deselect for metered LTE circuits.
    Settings configured at the Circuits level take higher precedence over the settings configured at the Circuit Category level.
  7. Select the
    QoS
    if you would like to enable shaping and queuing of traffic as defined in your application policy rules.
  8. In the LQM Configurations:
    • To enable
      LQ Monitoring
      for ongoing links quality measurements, such as latency, loss, and jitter select
      Yes
      . LQM is enabled by default on branch to data center paths.
    • Select
      Yes
      from the
      Use LQM for Non Hub Paths
      for Link Quality metrics for the internet underlay.
  9. In
    VPN Configurations
    , for
    Keep-Alive Failure Count
    , enter a value between 3 and 30 and for
    Keep-Alive Interval
    , enter a value between 100 ms and 600000 ms.
    • The Keep-Alive Failure Count indicates the number of consecutive missed keep-alive packets before a link is declared as down. The default value is 3.
    • The Keep-Alive Interval indicates the time interval in milliseconds between two VPN Keep-alive packets. The default value is 1000 ms.

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