Configures Intermediate System-to-Intermediate System (IS-IS) to flood Link State PDUs to other devices in the network before running SPF.
Four LSPs are flooded before running SPF.
Specifies the number of LSPs that must be flooded before running SPF. Valid values range from 1 through 15. The default value is 4.
IS-IS router configuration mode
IS-IS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.
The no form of the command resets the LSP count to the default value of 4.
The following example configures IS-IS to flood 10 LSPs before running SPF.
device# configure terminal device(config)# router isis device(config-isis-router)# fast-flood 10