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ICX devices

All ICX 6610, ICX 6430, and ICX 6450 devices can be active members of a Brocade IronStack. For

information about how to install ICX 6610 devices, refer to the Brocade ICX 6610 Stackable Switch

Hardware Installation Guide. For information about how to install ICX 6430 and ICX 6450 devices, refer

to the Brocade ICX 6430 and ICX 6450 Stackable Switches Hardware Installation Guide.

ICX devices also support trunked stacking ports. For ICX 6610 devices, refer to ICX 6610 stacking for

different topologies on page 18 for details. For ICX 6450 and ICX 6430 devices, refer to Connecting

ICX 6450 and ICX 6430 devices in a traditional stack on page 20.

All ICX 6610 devices can be ordered from the factory as -ADV models with support for Layer 3 BGP.

Brocade traditional stacking terminology

Stack unit roles

• Active controller - Handles stack management and configures all system- and interface-level

features.

‐ Future active controller- The unit that will take over as active controller after the next

reload, if its priority has been changed to the highest priority. When a priority for a stack

unit is changed to be higher than the existing active controller, the takeover does not

happen immediately to prevent disruptions in the stack operation.

• Standby controller - The stack member with the highest priority after the active controller. The

standby controller takes over if the current active controller fails.

• Stack Member - A unit functioning in the stack in a capacity other than active or standby controller.

• Stack Unit - Any device functioning within the stack, including the active controller and standby

controller.

‐ Upstream Stack Unit - An upstream unit is connected to the first stacking port on the

active controller. (The left-hand port as you face the stacking ports.)

‐ Downstream Stack Unit - A downstream unit is connected to the second stacking port on

the active controller. (The right-hand port as you face the stacking ports.)

General traditional stacking terminology

• Bootup Role - the role a unit takes during the boot sequence. This role can be standalone, active

controller, standby controller, or stack member. The active controller or a standalone unit can

access the full range of the CLI. Until a stack is formed, the local consoles on the standby controller

and stack members provide access to a limited form of the CLI, such as the show, stack, and a

few debug commands. When the stack is formed, all local consoles are directed to the active

controller, which can access the entire CLI. The last line of output from the show version

command indicates the role of a unit, unless it is a standalone unit, in which case it is not shown.

For example:

My stack unit ID = 1, bootup role = active

• Clean Unit - A unit that contains no startup flash configuration or runtime configuration. To erase

old configuration information, enter the erase startup-config command and reset the unit. For FCX

devices, the runtime configuration on a clean unit may also contain default-port information,

• Control Path - A path across stacking links dedicated to carrying control traffic such as commands

to program hardware or software image data for upgrades. A stack unit must join the control path to

operate fully in the stack.

• Default Port - FCX devices use the default-port command to define stacking port candidates.

ICX devices

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