👉 In computer networking, a "preroute" is a route that has been created by a user or an application and is not part of a route defined in the routing table. This means that it does not exist in the routing table but is visible to other routes. For example, if you have two routes A and B with the same weight (i.e., the weight for each route is equal), then route A would be considered as preroute because it appears first among all routes in the