Creating a prefix list

Use Lumen Connect℠ to create prefix lists for your Multi-Cloud Gateway. Use them when creating BGP sessions for your interfaces. 

Learn more about BGP and routing policies.

To create a prefix list:

  1. Using the left menu, click Services, then Manage Services. 

    Lumen Connect shows a list of all of your services. 
  1. Select Multi-Cloud Gateway from the all products list. 
  1. Click the   icon in the Actions column next to the Multi-Cloud Gateway you want to update, then click Service Details. 

    Lumen Connect shows the Service Details page. 
  1. Click the Policy tab, then click Create Prefix List. 
  1. Type a Prefix List Name that makes it easy to identify in a list.  
  1. Type the IPv4 Prefix with subnet mask in CIDR notation. 
  1. If you want to influence the inbound routing decision for a prefix, type a number from 0 to 900 in the Local Preference field. Routes with higher values are preferred. 
  1. Set the Match Type.
  1. To break ties between two routes with the same local preference, AS path, and origin, type 100, 200, or 300 in the Multi-Exit Discriminator (MED) field. 
  1. Type a number between 1 and 3 in the AS Path Prepend field to artificially lengthen the AS route path by repeating the originating AS number. 
  1. Click + Add Another Prefix to add more prefixes to the list. 
  1. Click Create. 

    Lumen Connect creates the prefix list and shows all prefix lists you've created.