6 Configuring Routing274 Voyager Reference GuideBackup Static RoutesBackup Static Routes DescriptionStatic routes can become unavailable if the interface related to the currentlyconfigured gateway is down. In this scenario, a backup static route can beused instead.In order to implement backup static routes, you need to prioritize them. Thepriority values range from 1 to 8, with 1the highest priority. If there is morethan one gateway that belongs to the same priority, then a multipath staticroute is installed. If a directly attached interface is down, then all the gatewaysthat belong to the interface are deleted from the list of next hop selections.Backup static routes are useful for default routes, but they can be used for anystatic route.Creating a Backup Static Route1. Click C ONFIG on the home page.2. Click the Static Routes link in the Routing Configuration section.NoteThis example assumes that a static route has already been configuredand the task is to add backup gateways.3. Enter the IP address of the gateway in the ADDITIONAL GATEWAY editbox.4. Enter the priority value in the PRIORITY edit box; then click APPLY.The IP address of the additional gateway that you entered appears in theGateway column, and new A DDITIONAL GATEWAY and PRIORITY editboxes are displayed.To add more backup static routes, repeat steps 3 and 4.
