- Written by Chitra Ramachandran
- Posted on August 18, 2020
- Updated on April 11, 2025
- 8264 Views
An OSPF router can attract all traffic towards itself from within the OSPF network, by advertising a default route. Often it is desirable to advertise this default route conditionally, for instance, only when there is a connection to an upstream router or when a default route is learnt through other protocols like BGP. OSPF conditional default-originate provides the above functionality.