Failover for Redundant Ethernet
The Netfinity 5000 has an integrated Ethernet controller.
The IBM Netfinity 10/100 Fault Tolerant Adapter is an
optional redundant network interface card (NIC adapter)
that you can install in your server. If you install this NIC
adapter and connect it to the same logical segment as the
primary Ethernet controller, you can configure the server to
support a failover function. You can configure either the
integrated Ethernet controller or the NIC adapter as the
primary Ethernet controller.
In failover mode, if the primary Ethernet controller detects a link failure, all Ethernet traffic
associated with it is switched to the redundant (secondary) controller.
This switching occurs without any user
intervention. Applications with active sessions do not
experience any data loss. When the primary link is
restored to an operational state, the Ethernet traffic
automatically switches back to the primary Ethernet controller.
NOTE:
The failover feature currently is supported by OS/2,
Windows NT, and IntraNetWare. The setup required for
each operating system follows.
Configuring Failover on OS/2
NOTE: Only one driver instance needs to be loaded for each redundant pair of Ethernet controllers.
Run=d:\path\PCNETOS2.EXE
where d and path are the drive and path to which you copied PCNETOS2.EXE.
Configuring Failover on Windows NT
When you restart the server, the failover function will be in effect.
Configuring Failover on IntraNetWare
LOAD d:\path\PCNTNW.LAN PRIMARY=x SECONDARY=y
where d and path are the drive and path where the driver is located, and x and y are the PCI slot numbers where the redundant pair is located.
The slot number associated with the integrated Ethernet controller can vary depending upon the configuration of the server. To determine the slot number, load the driver with no parameters. The driver will display the available slot numbers. The slot number that is greater than 10000 will be the slot number of the integrated Ethernet controller. When the slot number of the integrated Ethernet controller is determined, reload the driver with the appropriate parameters.
The failover function is now enabled. If a failover occurs:
You can use the NetWare Monitor to view the custom counters.
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