Connecting DigitalOcean VPC to Google Cloud Platform (GCP) via Megaport

This guide will take you through the process of connecting a DigitalOcean Virtual Private Cloud (VPC) to Google Cloud Platform (GCP) using Megaport’s Partner Interconnect. This setup can enhance your network performance dramatically by allowing high-bandwidth, low-latency connections between cloud services.

Prerequisites

Before you begin, ensure you have the following:

• A DigitalOcean account with a configured VPC in a supported region.
• A Google Cloud Platform (GCP) account with your own VPC.
• A Megaport account with access to Megaport Cloud Router (MCR) services.

Step 1: Create a Partner Attachment on DigitalOcean

You need to configure the DigitalOcean side first.

1. Log into your DigitalOcean account.
2. Navigate to Networking > Multi-cloud Integrations.
3. Click on Create Partner Attachment.
4. Select the appropriate Region and VPC you wish to connect.
5. Set up the bandwidth plan.
6. Fill in the Border Gateway Protocol Settings using the BGP authentication key, ASN, Local Router IP, and Peer router IP, which can default if needed. Save this information for later.
7. Give the attachment a name and create it.
8. Copy the generated Megaport service key for future use.

Step 2: Create a Megaport Cloud Router (MCR)

Now, set up the Megaport Cloud Router to facilitate traffic routing.

1. Log into your Megaport account.
2. Go to Services > Create MCR.
3. Choose a location that is closest to both your DigitalOcean data center and GCP’s location.
4. Set the Rate Limit and MCR Name accordingly.
5. Select a minimum term—12 months is typical, but if you test various features, consider choosing "No Minimum Term."
6. Retain the default MCR ASN (133937) unless otherwise specified.
7. Deploy your MCR, and note the MCR ID for configuration.

Step 3: Create a Virtual Cross Connection (VXC) on Megaport to DigitalOcean

Next, link your newly created Partner Attachment to the Megaport Cloud Router by adding a Virtual Cross Connection (VXC).

1. In the Megaport portal, choose DigitalOcean from the “Add Connection” option.
2. Enter the Megaport Service Key you saved from Step 1.
3. After validation, continue to the connection setup.
4. Assign a Connection Name, set a Rate Limit (which is fixed post-creation), choose a minimum term, and decide on the interface IP address.
5. Add BGP Connection details using the information from your DigitalOcean Partner Attachment.
6. Confirm and add the VXC to complete this connection step.

Step 4: Create a Virtual Cross Connection (VXC) on Megaport to GCP

Now link your Megaport Cloud Router to GCP.

1. Log into your Google Cloud Console, navigate to Hybrid Connectivity > Interconnect, and click Get Started.
2. Select Partner Interconnect and press continue.
3. Choose I already have a service provider, and proceed to configure your attachment, then click Create.
4. Copy the generated pairing key.
5. In the Megaport portal, under your MCR, add a new connection.
6. Select Google Cloud as the destination and enter the Google Partner Pairing Key.
7. Associate this VXC with your previously created MCR and deploy it.

Step 5: Verify Connectivity

Once the connections are set, ensure everything is operational.

1. Check the status of your Partner Attachment in DigitalOcean.
2. In Megaport, confirm that both VXCs are active.
3. Validate the Partner Interconnect link in GCP and ensure traffic is flowing.
4. Perform troubleshooting by pinging an instance in GCP from a DigitalOcean droplet.

Conclusion

By following these steps, you have successfully established a high-bandwidth, low-latency connection between DigitalOcean VPC and Google Cloud Platform. This configuration will enhance your network’s performance and reliability across cloud platforms.

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