(Recommended) Select if you do not want to learn any default routes through OSPF.
• default (default BFD settings)
• New BFD Profile to create a new BFD profileSelect None (Disable BFD) to disable BFD for all OSPF interfaces on the virtual router; you cannot enable BFD for a single OSPF interface.
• Areas: See OSPF Areas Tab.
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• Advanced: See OSPF Advanced Tab.