1-9To do… Use the command… RemarksEnter system view system-view —Configure the maximum hopsfor topology collection ntdp hop hop-value Optional3 by default.Configure the interval to collecttopology information ntdp timer interval Optional1 minute by default.Configure the delay to forwardtopology-collection requestpackets on the first portntdp timer hop-delaydelay-timeOptional200 ms by default.Configure the port delay toforward topology collectionrequest on other portsntdp timer port-delaydelay-timeOptional20 ms by default.The two delay values should be configured on the topology collecting device. A topology collectionrequest sent by the topology collecting device carries the two delay values, and a device that receivesthe request forwards the request according to the delays.Manually Collecting Topology InformationThe management device collects topology information periodically after a cluster is created. In addition,you can configure to manually initiate topology information collection, thus managing and monitoringthe device on real time, regardless of whether a cluster is created.Follow these steps to configure to manually collect topology information:To do… Use the command… RemarksManually collect topologyinformation ntdp explore RequiredEnabling the Cluster FunctionTo do… Use the command… RemarksEnter system view system-view —Enable the cluster functionglobally cluster enable OptionalEnabled by default.Establishing a ClusterBefore establishing a cluster, you need to specify the management VLAN, and you cannot modify themanagement VLAN after a device is added to the cluster.In addition, you need to configure a private IP address pool for the devices to be added to the cluster on