Creating Layer 3 Connections to Oracle

Updated by CoreSite

  1. Follow Steps 1 to 4 in the “ordering OCX services” section to navigate to the Port ordering page.
  2. Click on the “EVC” tile and click “continue”.
  3. On the next screen, select the tile that displays “Connect to a service provider or other OCX participant”.
  4. Select the tile that displays “Connect to a Service provider” and click “Continue”.
  5. Next, select the tile labeled “Layer 3 Connection”. Click “Continue”.


Part 1: Fill out the required data fields in the EVC order form:

  1. Select Provider you wish to connect to. In this case select Oracle.
  2. Select the Target Location
  3. The Peering Type will be defaulted to Private Peering. CoreSite OCX currently does not support Public Peering
  4. Select Buyer Account
  5. Select the desired Virtual Router
  6. Provide a unique name for your EVC
  7. (Optional) Specify an Invoice Label
  8. Specify the service rate desired
  9. Click the “Validate and Continue” button to procced

Part 2: Complete the Layer 3 Peering Details:

  1. Provide the New Cloud Subnet in CIDR Format.
  2. Select the OCI Region.
  3. Provide OCI Compartment ID.
  4. Provide your Tenancy OCID.
  5. Provide your User OCID.
  6. Provide your OCI Key Pair Fingerprint.
  7. Provide your OCI Key Pair Private Key.

Part 3 (Optional): Provide prefix details. You may enter up to 100 prefixes:

  1. Select the policy you wish to apply to the prefix.
  2. Provide the peer network address in CIDR form.
  3. Select the desired range: “Exact” or “Range”:
    1. If you select range, provide the “Start” and “End” of the range.
  4. Repeat steps 1-3a for any additional prefixes provided:
    1. Click the “+” button to add more prefixes.
  5. Click “Review Order”.

NOTE: There are additional steps required inside the Oracle Console to compete dynamic routing.  Please the “Oracle Console Routing” section

Part 4: Add contact information and review your order:

  1. Enter valid contact information for this request.
  2. Review all data parameters associated with the EVC Request. If any information is incorrect or changes need to be made, users may click the “Back” button and make the necessary changes.
  3. After confirming all information is accurate check the Terms and Conditions check box.
  4. Click “Submit Order”.


After completing Step 4 the order will be submitted, and automated provisioning will begin. No other action is required at this time.



There are additional steps required from the user to set up routing policies between different environments within Oracle.  Oracle Cloud requires users to also input routing information in the “route table” of their Virtual Cloud Network (VCN).  Follow the steps outlined below to complete routing policies to/from your Oracle environment:

  1. Log into the Oracle Console using your Cloud Tenant, username, and password.  You will be redirected to the Oracle Cloud home page.
  2. Click the menu pane at the top left corner of the screen and locate the “Networking” section.
    1. Under the networking section click “Virtual Cloud Networks”.   
  3. Locate and click the Virtual Cloud Network you wish to make changes to
  4. A new page will appear providing information about the Virtual Cloud Network (VCN). From here locate and click the “Route Tables” hyperlink on the left hand side of the page.
  5. Locate the route table you wish to make changes to or click “create route table”.
  6. A page will appear providing information about the Routing Table. From here, users will be able to add/change/modify routing policies as needed.

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