F Commands
This chapter describes the Cisco NX-OS Open Shortest Path First (OSPF) commands that begin with F.
feature ospf
To enable the Open Shortest Path First Protocol (OSPF), use the feature ospf command. To disable OSPF, use the no form of this command.
Command Modesflush-routes (OSPF)
To flush routes on a restart for the Open Shortest Path First (OSPF) protocol, use the flush-routes command. To disable this feature, use the no form of this command.
Command Modes
Usage GuidelinesThis command causes OSPF to unregister from the unicast RIB when OSPF shuts down. The unicast RIB removes all the routes associated with this OSPF instance. If you do not configure the flush-routes command, OSPF does not unregister and the OSPF routes will be stale. The OSPF routes are eventually removed from the unicast RIB after a timeout period.