> ## Documentation Index > The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt > Use these files to discover more information as needed. # IBM Cloud Transit Gateway With IBM Cloud Transit Gateway, organizations can define and control communication between resources on the IBM Cloud network, providing dynamic scalability, high availability, and private, in-transit data between IBM Cloud data centers. ## Get started - [Getting started with IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-getting-started&format=markdown) - [About IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-about&format=markdown) - [Planning for IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-helpful-tips&format=markdown) - Related links - [Getting started with Direct Link](https://cloud.ibm.com/docs/dl?topic=dl-get-started-with-ibm-cloud-dl&format=markdown) - [Getting started with Virtual Private Cloud (VPC)](https://cloud.ibm.com/docs/vpc?topic=vpc-getting-started&format=markdown) - [Accessing VPEs from an on-premises network using Direct Link or from another VPC by using Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-end-to-end-private-connectivity-vpe&format=markdown) - [Interconnecting your VPC using IBM Cloud offerings](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-interconnectivity&format=markdown) - [Release notes for IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-transit-gateway-release-notes&format=markdown) ## Tutorials - Interconnectivity - [Team based privacy using IAM, VPC, Transit Gateway and DNS](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-vpc-tg-dns-iam&format=markdown) - [Centralize communication through a VPC Transit Hub and Spoke architecture - Part one](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-vpc-transit1&format=markdown) - [Centralize communication through a VPC Transit Hub and Spoke architecture - Part two](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-vpc-transit2&format=markdown) ## How to - [Creating a transit gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-ordering-transit-gateway&format=markdown) - [Creating an unbound GRE tunnel](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-unbound-gre-connection&format=markdown) - [Creating a redundant GRE](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-redundant-gre-connection&format=markdown) - [Using IAM permissions with IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-iam&format=markdown) - Managing transit gateways - [Adding a connection](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-adding-connections&format=markdown) - [Adding a cross-account connection](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-adding-cross-account-connections&format=markdown) - [Creating and deleting prefix filters](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-adding-prefix-filters&format=markdown) - [Changing your configuration](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-change-configuration&format=markdown) - [Adding and removing redundant GRE tunnels](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-add-remove-redundant-gre-tunnels&format=markdown) - [Approving and rejecting cross-account redundant GRE requests](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-approve-reject-redundant-gre-tunnels&format=markdown) - [Creating a GRE tunnel connection](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-gre-connection&format=markdown) - [Deleting a connection](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-deleting-connections&format=markdown) - [Deleting a transit gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-delete-gateway&format=markdown) - [Editing a connection](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-editing-connections&format=markdown) - [Generating a route report](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-route-reports&format=markdown) - [Setting up Terraform for Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-terraform-setup-tgw&format=markdown) - [Setting up your API environment](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-set-up-environment&format=markdown) - Enhancing security - Privately connecting to Transit Gateway - [Using virtual private endpoints for VPC to privately connect to IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-vpe-connection&format=markdown) - [Protecting resources with context-based restrictions](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-cbr&format=markdown) - [Securing your data in IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-mng-data&format=markdown) - Observability - [Activity tracking events for IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-at_events&format=markdown) - [Monitoring Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-monitoring&format=markdown) - Transit Gateway hazardous change remediation - [Preparing for connection lists pagination support](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-notification-tgw-pagination-support-connections-lists&format=markdown) - [Preparing for Transit Gateway changes to advertised service network routes](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-notification-dl-tgw&format=markdown) ## Reference - Transit Gateway API - [Transit Gateway API](https://{DomainName}/docs/apis/transit-gateway) - [Transit Gateway API change log](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-tg-api-changelog&format=markdown) - Transit Gateway CLI reference - [Transit Gateway CLI](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-transit-gateway-cli&format=markdown) - [Transit Gateway CLI change log](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-cli-change-log&format=markdown) - [Terraform reference](https://registry.terraform.io/providers/IBM-Cloud/ibm/latest/docs/resources/tg_connection) - [IBM Cloud Transit Gateway locations](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-tg-locations&format=markdown) - [Understanding your responsibilities when using IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-tg-responsibilities&format=markdown) - [Understanding high availability and disaster recovery for IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-ha-dr-transit-gateway&format=markdown) - [Understanding data portability for Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-data-portability&format=markdown) - [Service dependency map for IBM Cloud Transit Gateway](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-service-dependencies&format=markdown) ## Help - [FAQ](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-faqs-for-transit-gateway&format=markdown) - Troubleshooting - [How do I verify and deal with connectivity issues on my transit gateways?](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-troubleshooting-connectivity&format=markdown) - [Connectivity issue basics](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-connectivity-basics&format=markdown) - [Working with firewalls and gateway appliances](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-firewalls-gateways&format=markdown) - [Dealing with overlapping VPC prefixes and classic infrastructure subnets](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-overlapping-vpc-prefixes-and-classic-subnets&format=markdown) - [Working with Network Interface Card routing](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-tg-nic&format=markdown) - [Routing in classic virtual server instances and bare metal servers](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-routing-classic-vsi&format=markdown) - [GRE tunnel connectivity issues](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-gre-tunnel-conn-issues&format=markdown) - [Why does my VPN gateway fail to connect to the transit gateway?](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-troubleshoot-vpn-gateway&format=markdown) - [How do I resolve conflicting routes in a route report?](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-troubleshoot-route-report&format=markdown) - [Getting help and support](https://cloud.ibm.com/docs/transit-gateway?topic=transit-gateway-getting-help-and-support&format=markdown)