Layer 3 Routing Commands 1655Syntaxenableno enableDefault ConfigurationEnabled is the default configuration.Command ModeRouter OSPF Configuration mode.User GuidelinesThe no form of the enable command removes the OSPF router configurationfrom the running config. It does not, however, reset the OSPF configuration.For example, following no enable with the enable command restores theOSPF configuration to the running config.OSPF must be disabled in order to assign or change the router ID.ExampleThe following example enables OSPF router mode.console(config-router)#enableexit-overflow-intervalUse the exit-overflow-interval command in Router OSPF Configurationmode to configure the exit overflow interval for OSPF. When a router leavesthe overflow state it can originate non-default AS-external-LSAs. When set to0, the router will not leave Overflow State until restarted. Use the no form ofthe command to return the interval to the default value.Syntaxexit-overflow-interval secondsno exit-overflow-interval• seconds — Number of seconds after entering overflow state that a routerwill wait before attempting to leave the overflow state. (Range: 0–2147483647)