FW 07.00.00/HAFM SW 08.06.00 McDATA Sphereon 4500 Fabric Switch Installation and Service Manual (620-000159-320, April 2005)

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McDATA Sphereon 4500 Fabric Switch Installation and Service Manual
Installation Tasks
• Open Fabric 1.0 - Select this option (default) for managing
heterogeneous fabrics and if the switch is fabric-attached to
McDATA directors or switches and open-fabric compliant
switches produced by other OEMs.
3. Click Activate to save the information and close the dialog box.
4. Set the switch online. For instructions, refer to Set the Switch
Online or Offline on page 4-48.
Configure Preferred
Paths
The preferred path option allows a user to specify and configure one
or more ISL data paths between multiple directors or switches in a
fabric. Each participating director or switch must be configured as
part of a desired path. The following rules apply when configuring a
preferred path:
• The switch domain ID must be set to Insistent. For instructions,
refer to Configure Switch Parameters on page 2-90.
• Domain IDs range between 1 through 31.
• Source and exit port numbers are limited to the range of ports
available on the director or switch (0 through 23).
• For each source port, only one path is defined to each destination
domain ID.
ATTENTION ! Activating a preferred path can result in receipt of out-of-
order frames if the preferred path differs from the current path, if input and
output (I/O) is active from the source port, and if congestions is present on
the current path.
To configure one or more preferred paths for the switch:
1. At the Hardware View, select Preferred Path from the Configure
menu. The Configure Preferred Paths dialog box displays
(Figure 2-87 on page 2-95).