Chapter 5 Configuring Network Interfaces 91
About Redundant Network Interfaces
You can configure your system with redundant network interfaces to provide a
highly available network connection. Such a configuration relies on special Solaris
software features to detect a failed or failing network interface and automatically
switch all network traffic over to the redundant interface. This capability is known
as automatic failover.
To set up redundant network interfaces, you can enable automatic failover
between the two similar interfaces using the multipathing feature of the Solaris
Operating System. For additional details, see “About Multipathing Software” on
page 131. A qualified service technician can also install a pair of identical PCI
network interface cards, or add a single card that provides an interface identical
to one of the two on-board Ethernet interfaces.
To help maximize system availability, make sure that any redundant network
interfaces reside on separate PCI buses, supported by separate PCI bridges. For
additional details, see “About PCI Cards and Buses” on page 56.
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