200• If you configure both dynamic and static system ID to host name mappings on a router, thehost name for dynamic system ID to host name mapping applies.Configuring a static system ID to host name mappingTo do… Use the command... RemarksStep 1 Enter system view system-view ––Step 2 Enter IS-IS view isis [ process-id ] [ vpn-instance vpn-instance-name ] ––Step 3 Configure a system ID tohost name mapping for aremote ISis-name map sys-id map-sys-nameRequiredA system ID canonly correspond toa host name.Configuring dynamic system ID to host name mappingConfigure a static system ID to host name mapping for any other router in a network. When anew router is added into the network or a mapping must be modified, perform configuration onall routers.In this case, you can configure dynamic system ID to host name mapping. To do so, you mustconfigure a host name for each router in the network. Each router advertises the host name indynamic host name CLVs to other routers. Then, all routers in the network have all the mappingsto generate a mapping table.To help check the origin of LSPs in the LSDB, you can configure a name for the DIS in a broadcastnetwork.To do… Use the command... RemarksStep 1 Enter system view system-view ––Step 2 Enter IS-IS view isis [ process-id ] [ vpn-instance vpn-instance-name ] ––Step 3 Specify a host name forthe router is-name sys-name RequiredNot specified by defaultStep 4 Return to system view quit ––Step 5 Enter interface view interface interface-type interface-number ––
