Configuration Guide User guide

258 FastIron Configuration Guide
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FCX IronStack configuration
Flash Memory Write (8192 bytes per dot) .Flash to Flash Done.
Brocade(config-unit-1)# end
Brocade# config t
Unit 3
Brocade# config t
Brocade(config)# stack unit 1
Brocade(config-unit-1)# priority 240
Brocade(config-unit-1)# stack enable
Enable stacking. This unit actively participates in stacking
Brocade(config-unit-1)# end
3. Connect the devices in a stack topology. The Active Controller will retain its ID. The rest of the
units are assigned unique ID numbers depending on the sequence in which you connected
them.
For more information about cabling the devices, refer to the appropriate hardware installation
guides.
NOTE
This method does not guarantee sequential stack IDs. If you want to change stack IDs to make them
sequential, you can use secure-setup. Refer to “Renumbering stack units” on page 313.
FCX IronStack configuration
FCX devices cannot be intermixed with non-FCX devices, and FCX devices have more possible
stacking ports.
Every FCX-S and FCXS-F device contains two default 16 Gbps stacking ports on the rear panel and
two 10 Gbps ports on the front panel that can also be used as stacking ports.
NOTE
FCX-I and FCX-E devices can only be used for stacking if they have an optional 10 Gbps SFP+ module
installed in the front panel. These devices do not have stacking ports on the rear panels.
An FCX IronStack may contain up to eight 24-port and 48-port devices, using any combination of
the rear panel stacking ports and the front panel optional stacking ports. For FCX-S and FCXS-F
devices, to use ports other than the factory-default 16 Gbps ports, you must define the ports for
each device in the run time configuration. You can also configure the 16 Gbps ports to operate as
10 Gbps ports. Refer to “Configuring FCX stacking ports” on page 259.
An FCX “clean unit” may contain a default port configuration, but it is still considered a clean unit.
To preserve this state, do not do a write memory on the unit before you build the stack. An FCX
device with the default port configuration is still considered a clean unit. To ensure that the device
remains a clean unit, do not do a write memory on the device. (Write memory adds a startup-config,
and the device is no longer a clean unit.)
NOTE
The automatic setup process will not work for FCX devices that do not contain the default port
information in their clean unit configurations.