---
title: Virtual Hub
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > DDSQL Reference > Data Directory > Virtual Hub
---

# Virtual Hub

Azure Virtual Hub is a centralized networking hub used in Azure Virtual WAN. It provides scalable routing, connectivity, and security services for connecting virtual networks, VPNs, ExpressRoute circuits, and remote users. It simplifies large‑scale network architecture by acting as a managed transit hub.

```
azure.network_virtual_hub
```

## Fields

| Title                                   | ID   | Type          | Data Type                                                                                            | Description |
| --------------------------------------- | ---- | ------------- | ---------------------------------------------------------------------------------------------------- | ----------- |
| _key                                    | core | string        |
| address_prefix                          | core | string        | Address-prefix for this VirtualHub.                                                                  |
| allow_branch_to_branch_traffic          | core | bool          | Flag to control transit for VirtualRouter hub.                                                       |
| azure_firewall                          | core | json          | Reference to another subresource.                                                                    |
| bgp_connections                         | core | json          | List of references to Bgp Connections.                                                               |
| etag                                    | core | string        | A unique read-only string that changes whenever the resource is updated.                             |
| express_route_gateway                   | core | json          | Reference to another subresource.                                                                    |
| hub_routing_preference                  | core | string        | The hub routing preference gateway types                                                             |
| id                                      | core | string        | Resource ID.                                                                                         |
| ip_configurations                       | core | json          | List of references to IpConfigurations.                                                              |
| kind                                    | core | string        | Kind of service virtual hub. This is metadata used for the Azure portal experience for Route Server. |
| location                                | core | string        | Resource location.                                                                                   |
| name                                    | core | string        | Resource name.                                                                                       |
| p2_s_vpn_gateway                        | core | json          | Reference to another subresource.                                                                    |
| preferred_routing_gateway               | core | string        | The preferred routing gateway types                                                                  |
| provisioning_state                      | core | string        | The current provisioning state.                                                                      |
| resource_group                          | core | string        |
| route_maps                              | core | json          | List of references to RouteMaps.                                                                     |
| route_table                             | core | json          | VirtualHub route table.                                                                              |
| routing_state                           | core | string        | The current routing state of the VirtualHub.                                                         |
| security_partner_provider               | core | json          | Reference to another subresource.                                                                    |
| security_provider_name                  | core | string        | The Security Provider name.                                                                          |
| sku                                     | core | string        | The sku of this VirtualHub.                                                                          |
| subscription_id                         | core | string        |
| subscription_name                       | core | string        |
| tags                                    | core | hstore_csv    |
| type                                    | core | string        | Resource type.                                                                                       |
| virtual_hub_route_table_v2s             | core | json          | List of all virtual hub route table v2s associated with this VirtualHub.                             |
| virtual_router_asn                      | core | int64         | VirtualRouter ASN.                                                                                   |
| virtual_router_auto_scale_configuration | core | json          | The VirtualHub Router autoscale configuration.                                                       |
| virtual_router_ips                      | core | array<string> | VirtualRouter IPs.                                                                                   |
| virtual_wan                             | core | json          | Reference to another subresource.                                                                    |
| vpn_gateway                             | core | json          | Reference to another subresource.                                                                    |