Duplex LAN configuration overview

The FT server duplex LAN is configured at the factory with Adapter Fault Tolerance (AFT) functionality. This is correct, even for an FT server on a system with multiple control networks, such as a redundant K2 SAN. Since the FT server provides its own "redundancy" it does not participate in the K2 SAN's redundant control networks. AFT is a feature that places more than one LAN controller on the same LAN (same segment), and automatically switches the process of the primary controller to the backup controller when any trouble occurred on the primary.

Instructions are given in this topic library for doing the duplex LAN configuration in the unlikely event it is required at the customer site. If you create a system-specific recovery disk image, all server configuration can be restored after a failure.