Increasing Availability of Cluster Communications in a Windows NT Cluster
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Failure of the primary interconnect path results in intra-cluster communications occurring over the
redundant dedicated interconnect path. When Cluster Server is configured to send intra-cluster
communication over the LAN NIC as well, the cluster nodes will still have a working
communication path even if one of the dual-ported NICs fails.
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Clients
Hub
Hub
Top Port of the NIC is Primary Interconnect Path;
Bottom Port of the NIC is Backup Cluster-to-LAN Path
Bottom Port of the NIC
is Primary
Cluster-to-LAN Path;
Top Port of the NIC
is Backup
Interconnect
Path
Node 1 Node 2
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