| 摘要 |
Provided is a management computer which reduces the workload of an administrator of a network in setting node when the normal network is changed to a network with redundancy. The management computer manages a plurality of nodes that constitute a network accommodating VLANs. The plurality of nodes include a first node and a second node which make a redundancy pair and which divides the network into an active path and a standby path. The management computer stores port management information showing connection relations for respective nodes and identifiers of VLANs allocated to ports of the nodes, and creates the redundancy pair by updating the port management information of the first node such that a VLAN allocated to one of ports of a connected node that is connected to the first node is allocated to one of ports of the first node that is connected to the connected node.
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