disable-partial-spf-opt

Disables partial SPF optimizations for Intermediate System-to-Intermediate System (IS-IS).

Syntax

no disable-partial-spf-opt

Command Default

Disabled.

Modes

IS-IS router configuration mode

Usage Guidelines

IS-IS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.

If you disable the partial SPF optimizations using this command, IS-IS automatically disables the incremental SPF optimizations and always runs full SPF. However, if you disable incremental SPF optimizations using the disable-incremental-spf-opt command, IS-IS does not disable partial optimizations.

The no form of the command restores partial SPF optimizations for IS-IS.

Examples

The following example disables partial SPF optimizations for IS-IS.

device# configure terminal
device(config)# router isis
device(config-isis-router)# disable-partial-spf-opt

The following example restores partial SPF optimizations for IS-IS.

device# configure terminal
device(config)# router isis
device(config-isis-router)# no disable-partial-spf-opt