Juniper IGP - CONFIGURATION GUIDE V11.1.X Configuration Manual page 306

JUNOSe 11.0.x IP, IPv6, and IGP Configuration Guide
clear ip ospf database
clear ip ospf neighbor
NOTE: When OSPF is configured and running over an NBMA network, do not issue
the clear ip ospf neighbor command simultaneously on both ends of the OSPF link.
Doing so brings the OSPF link down completely. In this event, you must do one of
the following on both sides of the link to bring the link back up:
clear ip ospf redistribution
clear ipv6 ospf redistribution
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Configuring Additional Parameters
Use to clear the OSPF IPv6 process on the virtual router.
Example
host1#clear ipv6 ospf process
There is no no version.
See clear ipv6 ospf process
Use to delete all entries from the OSPF link-state database and to reset all
adjacencies.
Example
host1#clear ip ospf database
There is no no version.
Use to clear an IP OSPF neighbor by specifying the IP address.
Reconfigure the OSPF neighbors on the NBMA interface with the neighbor
command.
Issue the clear ip ospf database command to clear and reset the OSPF
adjacencies.
Issue the shutdown command followed by the no shutdown command on the
interface.
Example
host1#clear ip ospf neighbor neighborAddress
There is no no version.
See clear ip ospf neighbor