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# VPC Peering Connections

VPC peering connection is a network connection between two VPCs. Through this connection, the instances in different VPCs can communicate with each other as if they are in the same network.

# Precautions

  1. EMQX Cloud only supports creating peering connection at the same region.
  2. EMQX Cloud does not accept CIDR in the range of 10.11.1.0/24 ~ 10.64.255.0/24.
  3. Peering connections are bound to resources. Please create peering connections before creating resources.

# AWS Cloud VPC Peering Connection

# Creating peering connection

  1. Log in to EMQX Cloud console (opens new window), go to the deployment details page, click the + VPC Peering Connection button, and record Region of deployment，VPC ID of deployment，CIDR of deployment，Account ID of EMQX Cloud in the pop-up dialog box, which need to be used later. Please don’t close this dialog box

    create-vpc1

  2. Log in to the Amazon Web Services console, switch to the region where Region of deployment is recorded in step 1, go to Networking & Content Delivery -> VPC -> Peering Connection, and click the button of Create Peering Connection

    • Select Another account of Account，Account ID , fill in the Account ID of EMQX Cloud recorded in step 1
    • Select This region(us-east-1) of Region
    • For VPC (Accepter), fill in the VPC ID of deployment in step 1.

    aws-vpc-request

    After filling in all the information, click the button of Create Peering Connection

  3. Once created, the following will be displayed. Please record Requester VPC owner, Requester VPC ID, VPC Peering Connection, which need to be used later

    aws-vpc1

  4. Return to EMQX Cloud console (opens new window), fill in the information recorded in step 3, and click the Confirm button to complete the creation of the peering connection

    • For Peering ID, fill in the recorded VPC Peering Connection
    • For VPC ID, fill in the recorded Requester VPC ID

    create-vpc2

  5. Return to Amazon Web Services console, go to Networking & Content Delivery -> VPC -> Route Tables, add the CIDR of deployment recorded in step 1 to the route table of the corresponding VPC

    route-tables

  6. Go to Networking & Content Delivery -> VPC -> Security Groups,configure the security group bound to the corresponding VPC, edit inbound rules and add a rule

    security-groups

# Delete peering connections

To delete a peering connection, you need to ensure that the status of peering connection is running

Tip

Before deleting the peering connection, please make sure that there are no associated resources in the deployment, otherwise there will be unpredictable risks

  1. Go to deployment details

    vpc-list

  2. Click the delete button on the right side of the peering connection

    vpc-delete

# Azure VPC Peering Connection

# Step 1

Go to the deployment console and click the + VPC Peering Connection button. A pop-up window will appear and ask for information on Subscription ID, Tenant ID, Resource Group Name, and VNet Name.

# Step 2

Go to the Virtual Networks section in your Microsoft Azure workplace. Find the network you plan to build a VPC peering connection, and copy and paste the Subscription ID, Resource Group Name, and VNet Name into the pop-up window in the EMQX Cloud console.

# Step 3

In your Microsoft Azure workplace, go to the Azure Active Directory section, and copy and paste the Tenant ID into the pop-up window in the EMQX Cloud console.

# Step 4

After providing all the required information:

  1. Click on the Next button.
  2. Follow the guidelines shown on the page to set up the Vnet.
  3. After doing all the steps, click on the Validated button to validate the setting of the connection and then click on Initiate Peering.

# Step 5

If all the provided information is correct, after several minutes, when the status of the VPC peering connection turns to "running," the VPC peering connection with your Azure services is created successfully.

# GCP VPC Peering Connection

# Creating peering connection

  1. Log in to EMQX Cloud console (opens new window), go to the deployment details page, click the + VPC Peering Connection button, fill in the information

    • Project ID: GCP Project ID of your peering VPC
    • VPC Network Name : Network Name of your peering VPC

    and record the information below:

    • VPC Network Name of deployment
    • CIDR of deployment
    • Project ID of EMQX Cloud

    gcp_create_peering

  2. Log in to your GCP console, create the peering connection

    1. In the Google Cloud Console, click VPC network peering.
    2. Click CREATE PEERING CONNECTION, and click Continue
    3. In Name, enter a name for your peering connection.
    4. In Your VPC Network, enter the name of your GCP VPC network.
    5. In Peered VPC network, select In another project.
    6. In Project ID, enter EMQX Cloud Project ID. You can find this name in the VPC Peering view in EMQX Cloud.
    7. In VPC network name, enter your EMQX Cloud VPC Network Name. You can find this name in the VPC Peering view in EMQX Cloud.
    8. Click CREATE.

    gcp_peering

  3. You will see the status of peering connection is Active if succeeded. gcp_console_peering and you will see the status of VPC Peering on EMQX Cloud is running. gcp_peering_result

  4. Create firewall to allow your EMQX CLoud deployment to access your GCP network

    1. Click Firewall, and Click CREATE FIREWALL RULE.
    2. In Network, select your GCP network
    3. In Targets, select All instances in the network, or you can select other option according to your situation.
    4. In Source IP ranges, fill in the CIDR of deployment in step 1
    5. Seletc your Protocols and ports.

# Delete peering connections

To delete a peering connection, you need to ensure that the status of peering connection is running

Tip

Before deleting the peering connection, please make sure that there is no associated resources in the deployment, otherwise there will be unpredictable risks

  1. Go to deployment details

    vpc-list

  2. Click the delete button on the right side of the peering connection

    vpc-delete

# Confluent Cloud Peering Connection

After the Confluent Cloud cluster has been created, we could add peering by the following steps:

  1. Go to the Networking section of the Cluster settings page and click on the Add Peering button.

    addPeering

  2. Fill in the vpc information. (You could get the information from VPC Peering section of the deployment console)

    vpc_info

    vpc_info

  3. When the connection status is Inactive, go back to the deployment console to accept the peering request. Fill in the vpc information of the confluent cloud cluster and click Confirm. When the vpc status turns to running, you successfully create the vpc peering connection.

    vpc

# Delete peering connections

To delete a peering connection, you need to ensure that the status of peering connection is running

Tip

Before deleting the peering connection, please make sure that there are no associated resources in the deployment, otherwise there will be unpredictable risks

  1. Go to deployment details

    vpc-list

  2. Click the delete button on the right side of the peering connection

    vpc-delete

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