126 Linux for IBM System z9 and IBM zSeries
Linking a Linux guest to the VSWITCH is exactly the same as linking a guest to a
Guest LAN. See 4.6.4, “Create a virtual Network Interface Card” on page 100 for
the description of that process.
4.9.4 VSWITCH failover support
Failover support for Virtual Switches provides recovery for controller failures and
OSA-Express port failures. A redundant system would use two or three virtual
controllers and two or three separate OSA cards. If one controller fails, another
controller takes over. A port on each card is plugged into an access port on the
same subnet, which can be in separate physical switches if the switches are
linked together, or trunk ports with identical configurations. If one OSA port fails ...