Whenever bandwidth is insufficient to handle all RSVP sessions, you can control the preemption of RSVP sessions. By default, an RSVP session is preempted only by a new higher-priority session.
To always preempt a session when the bandwidth is insufficient, include the preemption statement with the aggressive option:
-
preemption aggressive;
You can include this statement at the following hierarchy levels:
To disable RSVP session preemption, include the preemption statement with the disabled option:
-
preemption disabled;
To return to the default (that is, preempt a session only for a new higher-priority session), include the preemption statement with the normal option:
-
preemption normal;
You can include this statement at the following hierarchy levels: