Performs the shortest path first (SPF) calculation without clearing the IS-IS database.
Privileged EXEC mode
IS-IS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.
This example specifies that SPF calculations can be performed without clearing the IS-IS database for Level 2 packets.
device# clear isis force-spf level-2