router isisAllows you to enable the IS-IS routing protocol and to specify an IP IS-IS process.Syntax router isis [vrf vrf-name] [tag]To disable IS-IS routing, use the no router isis [tag] command.Parameters vrf vrf-name Enter the keyword vrf followed by the name of the VRF to enable the IS-IS routingprotocol and to specify an IP IS-IS process on that VRF.tag (OPTIONAL) This is a unique name for a routing process. A null tag is assumed if the tagoption is not specified. The tag name must be unique for all IP router processes for agiven router.Defaults Not configured.Command Modes CONFIGURATIONCommand History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(0.0) Introduced on the S6100–ON.9.8(1.0) Introduced on the Z9100–ON.9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.7(0.0) Added support for VRF. Introduced on the S6000-ON.9.5(0.1) Introduced on the Z9500.9.0.2.0 Introduced on the S6000.8.3.19.0 Introduced on the S4820T.8.3.12.0 Introduced on the S4810.8.3.11.1 Introduced on the Z9000.Usage Information Configure a network entity title (the net command) to specify the area address and the router system ID.Enable routing on one or more interfaces to establish adjacencies and establish dynamic routing.You can configure only one IS-IS routing process to perform Level 2 routing. A level-1-2 designation performsLevel 1 and Level 2 routing at the same time.Related Commands • ip router isis — configure IS-IS routing processes for IP on interfaces and attaches an area designator to therouting process.Intermediate System to Intermediate System (IS-IS) 887
