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Creating an Enterprise Router

Updated on 2024-04-19 GMT+08:00

Scenarios

This section describes how to create an enterprise router.

Procedure

  1. Log in to the management console.
  2. Click in the upper left corner and select the desired region and project.
  3. Click Service List and choose Networking > Enterprise Router.

    The Enterprise Router homepage is displayed.

  4. Click Create Enterprise Router in the upper right corner.

    The Create Enterprise Router page is displayed.

  5. Configure the parameters based on Table 1.

    Table 1 Parameters for creating an enterprise router

    Parameter

    Setting

    Example Value

    Region

    Mandatory

    Select the region nearest to you to ensure the lowest latency possible.

    -

    AZ

    Mandatory

    An AZ is a physical location where resources use independent power supplies and networks. AZs are physically isolated but interconnected through an internal network. Each region contains multiple AZs. If one AZ is unavailable, the other AZs in the same region continue to provide services.

    We recommend you to select two AZs. The enterprise router will be deployed in both AZs that work in active-active mode, ensuring reliability and disaster recovery.

    Traffic in an AZ is preferentially transmitted to the enterprise router in the same AZ to reduce latency.

    AZ1

    AZ2

    Name

    Mandatory

    Enter a name for the enterprise router. The name:
    • Must contain 1 to 64 characters.
    • Can contain letters, digits, underscores (_), hyphens (-), and periods (.).

    er-test-01

    ASN

    Mandatory

    An autonomous system is an IP network that is managed by an entity and has the same route policy. On a BGP network, each autonomous system is assigned a unique ASN to differentiate them.

    Specify a dedicated ASN in the range of 64512-65534 or 4200000000-4294967294.

    Networks in the same region can be considered as an AS.

    When Direct Connect and Enterprise Router are used to set up a hybrid cloud network, it is recommended that you set the ASN of the enterprise router different from the BGP ASN of the Direct Connect virtual gateway. If there are multiple Direct Connect connections associated with the enterprise router and the connections do not work in load balancing or active/standby mode, set different BGP ASNs for the virtual gateways of these connections.

    64800

    Default Route Table Association

    Optional

    Enabled by default

    Enabling Default Route Table Association can simplify network configurations. After this function is enabled:
    1. An enterprise router automatically comes with a route table named defaultRouteTable. By default, this route table is the default association route table.

      After the enterprise router is created, you can create a custom route table and set it as the default association route table to replace the original one if needed. For details, see Modifying an Enterprise Router.

    2. If you create an attachment to this enterprise router, the attachment will be automatically associated with the default association route table.

    Enable

    Default Route Table Propagation

    Optional

    Enabled by default

    Enabling Default Route Table Propagation can simplify network configurations. After this function is enabled:

    1. An enterprise router automatically comes with a route table named defaultRouteTable. By default, this route table is the default propagation route table.

      If both Default Route Table Association and Default Route Table Propagation are enabled, defaultRouteTable is not only the default association route table but also the default propagation route table.

      After the enterprise router is created, you can create a custom route table and set it as the default propagation route table to replace the original one if needed. For details, see Modifying an Enterprise Router.

    2. If you create an attachment to this enterprise router, the attachment will be automatically propagated to the default propagation route table.

    Enable

    Auto Accept Shared Attachments

    Optional

    As the owner, you can share your enterprise router with other users. These other users can create attachments for your enterprise router.
    • If you do not select this option, you must manually accept attachments to this enterprise router from the accounts that this enterprise router is shared with.
    • If you select this option, the system will automatically accept attachments to this enterprise router from the accounts that this enterprise router is shared with.

    For details, see Sharing Overview.

    Disable

    Enterprise Project

    Mandatory

    Select an enterprise project that the enterprise router will be added to.

    An enterprise project facilitates project-level management and grouping of cloud resources and users. The default project is default.

    default

    Tag

    Optional

    Add tags to help you quickly find your enterprise router.

    For details, see Overview.

    Tag key: test

    Tag value: 01

    Description

    Optional

    Describe the enterprise router for easy identification.

    -

  6. Click Create Now.
  7. Confirm the enterprise router configurations and click Submit.

    The enterprise router list is displayed.

  8. Check the enterprise router status.

    If the status changes from Creating to Normal, the enterprise router is successfully created.

Follow-Up Operations

  • After an enterprise router is created, attach network instances to the enterprise router and configure routes. For details, see Getting Started.
  • If Default Route Table Association and Default Route Table Propagation are not enabled for an enterprise router, you need to:
    1. Create a custom route table for the enterprise router. For details, see Creating a Route Table.
    2. Create associations for the attachments of the enterprise router. For details, see Creating an Association for an Attachment in a Route Table.
    3. Use either of the following methods to add routes for the attachment to the route table:

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