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26-8
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 26 Configuring and Managing VSANs
VSAN Configuration
• Dynamically—By assigning VSANs based on the device WWN. This method is referred to as
dynamic port VSAN membership (DPVM).
See Chapter 28, “Creating Dynamic VSANs.”
Trunking ports have an associated list of VSANs that are part of an allowed list (see Chapter 24,
“Configuring Trunking”).
Assigning Static Port VSAN Membership
To statically assign VSAN membership for an interface using Fabric Manager, follow these steps:
Step 1 Choose Interfaces > FC Physical from the Physical Attributes pane. You see the interface configuration
in the Information pane.
Step 2 Click the General tab.
You see the Fibre Channel general physical information. Double-click and complete the PortVSAN field.
Step 3 Click Apply Changes to save these changes, or click Undo Changes to discard any unsaved changes.
About the Default VSAN
The factory settings for switches in the Cisco MDS 9000 Family have only the default VSAN 1 enabled.
We recommend that you do not use VSAN 1 as your production environment VSAN. If no VSANs are
configured, all devices in the fabric are considered part of the default VSAN. By default, all ports are
assigned to the default VSAN.
Note VSAN 1 cannot be deleted, but it can be suspended.
Note Up to 256 VSANs can be configured in a switch. Of these, one is a default VSAN (VSAN 1), and another
is an isolated VSAN (VSAN 4094). User-specified VSAN IDs range from 2 to 4093.
About the Isolated VSAN
VSAN 4094 is an isolated VSAN. All non-trunking ports are transferred to this VSAN when the VSAN
to which they belong is deleted. This avoids an implicit transfer of ports to the default VSAN or to
another configured VSAN. All ports in the deleted VSAN are isolated (disabled).
Note When you configure a port in VSAN 4094 or move a port to VSAN 4094, that port is immediately
isolated.
Caution Do not use an isolated VSAN to configure ports.
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