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With advanced RIP options, you can specify settings for RIP timers and define metrics for redistributing routes that the unit learns through some means other than RIP updates. For example, if the unit is connected to an OSPF or BGP network or you add a static route to the FortiGate routing table manually, you can configure the unit to advertise those routes on RIP-enabled interfaces.

You can configure additional advanced options through customizable widgets, and the CLI. For example, you can filter incoming or outgoing updates by using a route map, an access list, or a prefix list. The unit also supports offset lists, which add the specified offset to the metric of a route.

Advanced RIP options are configured in Router > Dynamic > RIP, in the Advanced

Options area of the page. You must expand Advanced Options to reveal the hidden

settings so that you can configure these advanced options. Use the following table when configuring advanced RIP options.

Delete

Removes a RIP interface from within the Interfaces section on the RIP page.

To remove multiple interfaces in the list, within the Interfaces section, in each of the rows of the routes you want removed, select the check box and then select Delete.

To remove all interfaces in the list, within the Interfaces section, select the check box in the check box column, and then select

Delete.

Interface The name of the unit RIP interface.

Send Version The version of RIP used to send updates through each interface:

1, 2, or both.

Receive Version The versions of RIP used to listen for updates on each interface: 1,

2, or both.

Authentication The type of authentication used on this interface: None, Text or

MD5.

Passive Permissions for RIP broadcasts on this interface. A green

checkmark means the RIP broadcasts are blocked.

The get router info rip CLI command provides detailed information about configured RIP settings. You can view the entries in the RIP routing database or get status information about FortiGate interfaces.

Advanced Options section of the RIP page

Advanced Options Select the Expand Arrow to view or hide advanced options.

Default Metric

Enter the default hop count that the unit should assign to routes that are added to the FortiGate routing table. The range is from 1 to 16. This metric is the hop count, with 1 being best or shortest. This value also applies to Redistribute unless otherwise specified.

Enable Default- information- originate

Select to generate and advertise a default route into the unit’s RIP- enabled networks. The generated route may be based on routes learned through a dynamic routing protocol, routes in the routing table, or both.

RIP Timers

Enter new values to override the default RIP timer settings. The default settings are effective in most configurations — if you change these settings, ensure that the new settings are compatible with local routers and access servers.

If the update timer is smaller than Timeout or Garbage timers, you will get an error.

Update

Enter the amount of time (in seconds) that the unit will wait between sending RIP updates.

The update timer determines the interval between routing updates. The update time should be at least three times smaller than the timeout timer; otherwise you will experience an error.

Timeout

Enter the maximum amount of time (in seconds) that a route is considered reachable while no updates are received for the route. This is the maximum time the unit will keep a reachable route in the routing table while no updates for that route are received. If the unit receives an update for the route before the timeout period expires, the timer is restarted.

The Timeout period should be at least three times longer than the

Update period.

Tip: If you are experiencing problems with routers not responding in

time to updates, increase this time; however, remember that longer timeout intervals result in longer overall update periods.

Garbage

Enter the amount of time (in seconds) that the unit will advertise a route as being unreachable before deleting the route from the routing table. The value determines how long an unreachable route is kept in the routing table.

The garbage timer is the amount of time that the unit will advertise a route as being unreachable before deleting the route from the routing table.

Redistribute

Select one or more of the options to redistribute RIP updates about routes that were not learned through RIP. The unit can use RIP to redistribute routes learned from directly connected networks, static routes, OSPF, and BGP.

Connected

Select to redistribute routes learned from directly connected networks. To specify a hop count for those routes, select Metric, and enter the hop count in the Metric field. The valid hop count range is from 1 to 16.

Static

Select to redistribute routes learned from static routes. To specify a hop count for those routes, select Metric, and enter the hop count in the Metric field. The range is from 1 to 16.

OSPF

Select to redistribute routes learned through OSPF. To specify a hop count for those routes, select Metric, and enter the hop count in the

Metric field. The range is from 1 to 16.

BGP

Select to redistribute routes learned through BGP. To specify a hop count for those routes, select Metric, and enter the hop count in the

Router Reference Dynamic