Hub and Spoke Topology Definition

hub-and-spoke is one type of topology in which one of the devices acts as a hub site that receives the data traffic from all the spoke, or branch, devices and then redirects the traffic to the proper destination.

Hub and Spoke Topology Definition define the hub and spoke sites that should create the connections between them.

Diagram

Classes

control_policy (sdwan.centralized_policies.definitions)

Name	Type	Constraint	Mandatory	Default Value
hub_and_spoke_topology	List	[hub_and_spoke_topology]	No

hub_and_spoke_topology (sdwan.centralized_policies.definitions.control_policy)

Name	Type	Constraint	Mandatory	Default Value
name	String	Regex: ^[A-Za-z0-9\-_]{1,127}$	Yes
description	String		Yes
vpn_list	String	Regex: ^[A-Za-z0-9\-_]{1,32}$	Yes
hub_and_spoke_sites	List	[hub_and_spoke_sites]	Yes

hub_and_spoke_sites (sdwan.centralized_policies.definitions.control_policy.hub_and_spoke_topology)

Name	Type	Constraint	Mandatory	Default Value
name	String	Regex: ^[A-Za-z0-9\-_]{1,127}$	Yes
equal_preference	Boolean	true, false	No
advertise_tloc	Boolean	true, false	No
tloc_list	String	Regex: ^[A-Za-z0-9\-_]{1,32}$	No
spokes	List	[spokes]	Yes

spokes (sdwan.centralized_policies.definitions.control_policy.hub_and_spoke_topology.hub_and_spoke_sites)

Name	Type	Constraint	Mandatory	Default Value
site_list	String	Regex: ^[A-Za-z0-9\-_]{1,32}$	Yes
hubs	List	[hubs]	Yes

hubs (sdwan.centralized_policies.definitions.control_policy.hub_and_spoke_topology.hub_and_spoke_sites.spokes)

Name	Type	Constraint	Mandatory	Default Value
site_list	String	Regex: ^[A-Za-z0-9\-_]{1,32}$	Yes
ipv4_prefix_lists	List	String[Regex: ^[A-Za-z0-9\-_]{1,32}$]	No
ipv6_prefix_lists	List	String[Regex: ^[A-Za-z0-9\-_]{1,32}$]	No

Examples

sdwan:
  centralized_policies:
    definitions:
      control_policy:
        hub_and_spoke_topology:
          - name: HST_DEFINITION_TEST1
            description: HST_DEFINITION_TEST1
            vpn_list: VPN-LIST-HST-TEST1
            hub_and_spoke_sites:
              - name: group1
                equal_preference: true
                advertise_tloc: false
                tloc_list: TLOC-LIST-HST-TEST1
                spokes:
                  - site_list: CALIFORNIA-HST-TEST
                    hubs:
                      - site_list: BOSTON-HST-TEST
                      - site_list: NEWYORK-HST-TEST
                        ipv4_prefix_lists:
                          - PREFIX-LIST-HST-TEST
                  - site_list: WASHINGTON-HST-TEST
                    hubs:
                      - site_list: KENTUCKY-HST-TEST
              - name: group2
                equal_preference: true
                advertise_tloc: false        
                tloc_list: TLOC-LIST-HST-TEST2
                spokes:
                  - site_list: CALIFORNIA-HST-TEST
                    hubs:
                      - site_list: BOSTON-HST-TEST
                      - site_list: NEWYORK-HST-TEST
                        ipv4_prefix_lists:
                          - PREFIX-LIST-HST-TEST
                  - site_list: WASHINGTON-HST-TEST
                    hubs:
                      - site_list: KENTUCKY-HST-TEST