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Assign a Role to a Device

Contrail Networking uses tags to identify functions that various devices in a DC fabric can provide.

Contrail Networking uses the following roles to tag devices:

Physical roles

A physical role determines whether a device can act as a leaf, spine, or physical network function (PNF).
Routing-bridging roles

These roles are specific to a set of capabilities that a device can deliver in a data center fabric with EVPN-VXLAN.
Figure 1: Sample Data Center TopologySample Data Center Topology

For more information on supported hardware platforms, associated node profiles and roles, see Contrail Networking Supported Hardware Platforms and Associated Roles And Node Profiles.

Figure 2: Supported Physical Roles and Routing Bridging RolesSupported Physical Roles and Routing Bridging Roles

After you have completed the steps provided in the Discover a Device topic, you can assign roles to the devices from the Assign to devices page.

Follow these steps to assign roles to devices:

  1. Select the device you want to assign a role to by selecting the check box next to the device name.
  2. Click the Assign icon at the end of the row to assign roles.
    Note:

    In Contrail Networking Release 1907, you can assign roles only to similar device types at the same time.

    To assign roles to similar device types, select the check box next to the device name and then click Assign Role.

    The Assign role to devices pop-up is displayed.

  3. Select a physical role type from the Physical Role list.
  4. Select a routing bridging role from the Routing Bridging Role list.

    These are the supported roles: CRB-Access, CRB-Gateway, DC-Gateway, Route-Reflector, ERB-UCAST-Gateway, DCI-Gateway, CRB-MCAST-Gateway, PNF-Servicechain, AR-Replicator, and AR-Client roles.

    For more information, see Centrally-Routed Bridging Overlay Design and Implementation.

    Starting with Contrail Networking Release 1907, you can assign the AR-Replicator and AR-Client roles to enable assisted replication on the QFX10000 devices in a datacenter. Assisted replication feature optimizes replication of ingress broadcast, unknown unicast, and multicast (BUM) traffic received from the CE interfaces by replicating BUM traffic towards a single EVPN core Replicator PE (a QFX10000 device) rather than sending it to all the PE devices for replication.

  5. Click Assign to confirm.
  6. Click Autoconfigure to initiate the auto-configuration job.

    The Autoconfigure page is displayed. For more information, see Manage Device Configuration.

Related Documentation

Release History Table
Release
Description
1907
Starting with Contrail Networking Release 1907, you can assign the AR-Replicator and AR-Client roles to enable assisted replication on the QFX10000 devices in a datacenter.