Operation Manual – Stack-ClusterH3C S3100 Series Ethernet Switches Chapter 2 Cluster2-14Operation Command DescriptionConfigure a multicastMAC address for theclustercluster-mac H-H-HRequiredBy default, the clustermulticast MAC address is0180-C200-000A.Set the interval for themanagement device tosend multicast packetscluster-mac syn-intervaltime-intervalOptionalBy default, the interval tosend multicast packets isone minutes.Set the holdtime ofmember switches holdtime secondsOptionalBy default, the holdtime is60 seconds.Set the interval to sendhandshake packets timer intervalOptionalBy default, the interval tosend handshake packetsis 10 seconds.2) Establish a cluster in automatic modeFollow these steps to establish a cluster in automatic mode:Operation Command DescriptionEnter system view system-view —Enter cluster view cluster —Configure the IP addressrange for the clusterip-pooladministrator-ip-address{ ip-mask |ip-mask-length }RequiredStart automatic clusterestablishment auto-build [ recover ]RequiredFollow prompts toestablish a cluster.Note:z After a cluster is established automatically, ACL 3998 and ACL 3999 will begenerated automatically.z After a cluster is established automatically, ACL 3998 and ACL 3999 can neither bemodified nor removed.VIII. Configuring inside-outside interaction for a clusterFollow these steps to configure inside-outside interaction for a cluster: