How the Route-Download Server Downloads Routes

The route-download server starts the initial route-download operation (for example, after a system reboot or the first time the route-download server is enabled) as soon as IP is established in the virtual router in which the download is performed. After the initial route-download process is established, the router repeats the route download operation based on either the default download schedule or the schedule you specify. You can also initiate an immediate route download at any time.

The RADIUS route-download server downloads routes in two stages—first, all routes are downloaded from the RADIUS server to the router’s download database and examined for errors. Next, the router updates the routing table with the new routes, using the following guidelines:

• Adds all downloaded routes that are not already installed in the routing table
• Does not add downloaded routes that are already installed in the routing table
• Deletes routes from the routing table that do not appear in the newly downloaded group

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