Viewing Logical Ports; Figure 19 Logical Switch Selector - Brocade Communications Systems 8 Administrator's Manual

Under the Switch Information tab, Base Switch, Default Switch, and Allow XISL Use are specific to
VIrtual Fabrics. These options perform these functions:
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Use the following procedure to select a logical switch.
1. Use the Logical Switch selector to select the fabric ID, as shown in
2. Click Yes to confirm.

Viewing logical ports

When base switches are connected through XISLs, a base fabric is formed that includes logical
switches in different chassis. A logical link is formed dynamically among logical switches that have
the same FID to carry frames between the logical switches. Logical ports are created in the
respective switches to support the logical link.
Logical ports are software constructs, and have no corresponding hardware to represent them on
the Switch View. Logical port information is available in the Port Administration window.
1. Select Port Administration.
2. To view logical port properties, expand the Logical Ports folder, and select a port.
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Base Switch indicates whether or not the logical switch can act as a base switch. A base switch
is a special logical switch that can be used for chassis interconnection. Each chassis may only
designate only one logical switch as a base switch.
Default Switch indicates whether or not the logical switch is the default logical switch. The
default logical switch is equivalent to the normal, discovered physical switch topology. It is
automatically assigned fabric ID 128. If you do not log in to a specific logical switch using
Options on the login dialog box, the default logical switch displays in the Switch View.
Allow XISL Use indicates whether or not the logical switch is allowed to connect to other logical
switches using an extended inter-switch link (XISL). Base switches may use XISLs. Dynamically
created logical switches can use the XISL for traffic, only if Allow XISL Use is enabled through
CLI using the configure command.
You must have the EGM license installed to view the Logical Switch selection. A dialog box
displays asking you to confirm your selection.
FIGURE 19
Logical switch selector
The selected logical switch displays. Note that the Logical Switch selector is relocated above
the Switch View.
The Port Administration window displays. Logical ports are displayed in the FC Ports Explorer
tree structure.
The General properties are displayed.
Virtual Fabrics overview
Figure 19.
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