Operation Manual – IPv4 RoutingH3C S5500-EI Series Ethernet Switches Chapter 4 IS-IS Configuration4-35Note:A device can act as both the GR Restarter and GR Helper at the same time.Follow these steps to configure GR on the GR Restarter and GR Helper respectively:To do… Use the command… RemarksEnter system view system-view —Enable IS-IS, and enterIS-IS view isis [ process-id ] RequiredDisabled by defaultEnable the GR capabilityfor IS-IS graceful-restart RequiredDisabled by defaultSet the Graceful Restartintervalgraceful-restart intervaltimerRequired300 seconds by defaultConfigure to set the SA bitduring restartgraceful-restartsuppress-saOptionalBy default, the SA bit isnot set.4.7 Displaying and Maintaining IS-ISTo do… Use the command… RemarksDisplay brief IS-ISinformation display isis brief [ process-id ] Available in anyviewDisplay information aboutIS-IS enabled interfacesdisplay isis interface[ verbose ] [ process-id ]Available in anyviewDisplay IS-IS licenseinformation display isis license Available in anyviewDisplay IS-IS LSDBinformationdisplay isis lsdb [ [ l1 | l2 |level-1 | level-2 ] | [ lsp-id LSPID| lsp-name lspname ] | local |verbose ] * [ process-id ]Available in anyviewDisplay IS-IS mesh groupinformationdisplay isis mesh-group[ process-id ]Available in anyviewDisplay thehost-name-to-system-IDmapping tabledisplay isis name-table[ process-id ]Available in anyviewDisplay IS-IS neighborinformationdisplay isis peer [ verbose ][ process-id]Available in anyview
