Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Enable hello messages from nonsession neighbors to be acknowledged with a hello acknowledgment message. Once hello acknowledgments are enabled, the router continues to acknowledge hello messages from any nonsession RSVP neighbors unless the interface itself goes down or the configuration is changed by an administrator.


Hello acknowledgments are disabled.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 10.2.