---
title: Getting Started with Datadog
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > Infrastructure > Datadog Resource Catalog
---

# aws_transit_gateway{% #aws_transit_gateway %}

## `account_id`{% #account_id %}

**Type**: `STRING`

## `creation_time`{% #creation_time %}

**Type**: `TIMESTAMP`**Provider name**: `CreationTime`**Description**: The creation time.

## `description`{% #description %}

**Type**: `STRING`**Provider name**: `Description`**Description**: The description of the transit gateway.

## `options`{% #options %}

**Type**: `STRUCT`**Provider name**: `Options`**Description**: The transit gateway options.

- `amazon_side_asn`**Type**: `INT64`**Provider name**: `AmazonSideAsn`**Description**: A private Autonomous System Number (ASN) for the Amazon side of a BGP session. The range is 64512 to 65534 for 16-bit ASNs and 4200000000 to 4294967294 for 32-bit ASNs.
- `association_default_route_table_id`**Type**: `STRING`**Provider name**: `AssociationDefaultRouteTableId`**Description**: The ID of the default association route table.
- `auto_accept_shared_attachments`**Type**: `STRING`**Provider name**: `AutoAcceptSharedAttachments`**Description**: Indicates whether attachment requests are automatically accepted.
- `default_route_table_association`**Type**: `STRING`**Provider name**: `DefaultRouteTableAssociation`**Description**: Indicates whether resource attachments are automatically associated with the default association route table.
- `default_route_table_propagation`**Type**: `STRING`**Provider name**: `DefaultRouteTablePropagation`**Description**: Indicates whether resource attachments automatically propagate routes to the default propagation route table.
- `dns_support`**Type**: `STRING`**Provider name**: `DnsSupport`**Description**: Indicates whether DNS support is enabled.
- `multicast_support`**Type**: `STRING`**Provider name**: `MulticastSupport`**Description**: Indicates whether multicast is enabled on the transit gateway
- `propagation_default_route_table_id`**Type**: `STRING`**Provider name**: `PropagationDefaultRouteTableId`**Description**: The ID of the default propagation route table.
- `security_group_referencing_support`**Type**: `STRING`**Provider name**: `SecurityGroupReferencingSupport`**Description**: Enables you to reference a security group across VPCs attached to a transit gateway to simplify security group management. This option is disabled by default.
- `transit_gateway_cidr_blocks`**Type**: `UNORDERED_LIST_STRING`**Provider name**: `TransitGatewayCidrBlocks`**Description**: The transit gateway CIDR blocks.
- `vpn_ecmp_support`**Type**: `STRING`**Provider name**: `VpnEcmpSupport`**Description**: Indicates whether Equal Cost Multipath Protocol support is enabled.

## `owner_id`{% #owner_id %}

**Type**: `STRING`**Provider name**: `OwnerId`**Description**: The ID of the Amazon Web Services account that owns the transit gateway.

## `state`{% #state %}

**Type**: `STRING`**Provider name**: `State`**Description**: The state of the transit gateway.

## `tags`{% #tags %}

**Type**: `UNORDERED_LIST_STRING`

## `transit_gateway_arn`{% #transit_gateway_arn %}

**Type**: `STRING`**Provider name**: `TransitGatewayArn`**Description**: The Amazon Resource Name (ARN) of the transit gateway.

## `transit_gateway_id`{% #transit_gateway_id %}

**Type**: `STRING`**Provider name**: `TransitGatewayId`**Description**: The ID of the transit gateway.