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Oracle Solaris Cluster Hardware Administration Manual     Oracle Solaris Cluster 4.0
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Document Information


1.  Introduction to Oracle Solaris Cluster Hardware

2.  Installing and Configuring the Terminal Concentrator

3.  Installing Cluster Interconnect Hardware and Configuring VLANs

Interconnect Requirements and Restrictions

Cluster Interconnect and Routing

Cluster Interconnect Speed Requirements

Ethernet Switch Configuration When in the Cluster Interconnect

Requirements When Using Jumbo Frames

Requirements and Restrictions When Using InfiniBand in the Cluster Interconnect

Installing Ethernet or InfiniBand Cluster Interconnect Hardware

How to Install Ethernet or InfiniBand Transport Cables and Transport Junctions

Configuring VLANs as Private Interconnect Networks

4.  Maintaining Cluster Interconnect Hardware

5.  Installing and Maintaining Public Network Hardware

6.  Maintaining Platform Hardware

7.  Campus Clustering With Oracle Solaris Cluster Software

8.  Verifying Oracle Solaris Cluster Hardware Redundancy


Configuring VLANs as Private Interconnect Networks

Oracle Solaris Cluster software supports the use of private interconnect networks over switch-based virtual local area networks (VLANs). In a switch-based VLAN environment, Oracle Solaris Cluster software enables multiple clusters and nonclustered systems to share an Ethernet transport junction (switch) in two different configurations.

Note - Even if clusters share the same switch, create a separate VLAN for each cluster.

By default, Oracle Solaris Cluster uses the same set of IP addresses on the private interconnect. Creating a separate VLAN for each cluster ensures that IP traffic from one cluster does not interfere with IP traffic from another cluster. Unless you have customized the default IP address for the private interconnect, as described in How to Change the Private Network Address or Address Range of an Existing Cluster in Oracle Solaris Cluster System Administration Guide, create a separate VLAN for each cluster.

The implementation of switch-based VLAN environments is vendor-specific. Because each switch manufacturer implements VLAN differently, the following guidelines address Oracle Solaris Cluster software requirements with regard to configuring VLANs with cluster interconnects.

The first VLAN configuration enables nodes from multiple clusters to send interconnect traffic across one pair of Ethernet transport junctions. Oracle Solaris Cluster software requires a minimum of one transport junction, and each transport junction must be part of a VLAN that is located on a different switch. The following figure is an example of the first VLAN configuration in a two-node cluster. VLAN configurations are not limited to two-node clusters.

Figure 3-3 First VLAN Configuration

image: Illustration: The preceding context describes the graphic.

The second VLAN configuration uses the same transport junctions for the interconnect traffic of multiple clusters. However, the second VLAN configuration has two pairs of transport junctions that are connected by links. This configuration enables VLANs to be supported in a campus cluster configuration with the same restrictions as other campus cluster configurations. The following figure illustrates the second VLAN configuration.

Figure 3-4 Second VLAN Configuration

image: Illustration: The preceding context describes the graphic.