332 CHAPTER 35: IS-IS CONFIGURATIONIntroduction to IS-ISConfiguration Table 251 IS-IS configuration tasksConfiguration Task Description Related sectionIntegrated IS-ISconfigurationEnable IS-IS. Required “Enabling IS-IS” on page334Configure a NET Required “Configuring a NET” onpage 334Enable IS-IS on thespecified interfaceRequired “Enabling IS-IS on theSpecified Interface” onpage 334Configure DIS priority Optional “Configuring DIS Priority”on page 334Configure router type Optional “Configuring Router Type”on page 335Configure the line typeof an interfaceOptional “Configuring the Line Typeof an Interface” on page335Configure routeredistributionOptional “Configuring IS-IS RouteRedistribution” on page335Configure routefilteringOptional “Configuring RouteFiltering” on page 336Configure routeleakingOptional “Configuring RouteLeaking” on page 337Configure routesummarizationOptional “Configuring RouteSummarization” on page337Configure defaultroute generationOptional “Configuring Default RouteGeneration” on page 337Configure protocolpriorityOptional “Configuring ProtocolPriority” on page 337Configure a cost style Optional “Configuring a Cost Style”on page 338Configure interfacecostOptional “Configuring InterfaceCost” on page 338Configure IS-IS timer Optional “Configuring IS-IS Timer”on page 338ConfigureauthenticationOptional “ConfiguringAuthentication” on page340Add an interface to amesh groupOptional “Adding an Interface to aMesh Group” on page 341