Alcatel 6648 User's Guide download pdf (Page 88)

Setting Up a Stacked Configuration Managing OmniSwitch 6600 Series Stacks

page 3-8 OmniSwitch 6600 Series Hardware Users Guide April 2004

Setting Up a Stacked Configuration

In order to set up a new stacked OmniSwitch 6600 series configuration, you must complete the following

steps, in the order they are listed:

1 Individually assign slot numbers to all switches

2 Attach all required stacking cables

3 Boot the newly-configured stack

For OmniSwitch 6600 series switches, the term “slot” refers to the priority status of the switch within the

stacked configuration. Slot numbers may range from 1 to 8. For detailed instructions on setting up a stack,

refer to the sections below.

Assigning Slot Numbers

Before assigning slot numbers to switches in a stacked configuration, note the following important

guidelines:

• The slot number is displayed by the slot indicator LED located on the left side of the chassis front panel

(refer to “Status LEDs” on page 2-11 for more information).

• Slot numbers do not need to be sequential. However, each switch in a stack must have a unique slot

number. If duplicate slot numbers are encountered, an error will occur and the stack will be disabled.

• The top switch in the stack does not have to be designated as slot 1.

• By default, the primary—or management—role will be given to the switch with the lowest chassis

MAC address. All other switches in the stack will be in non-operational status until slot numbers are

assigned by the user and the stack is manually rebooted.

• After manually assigning the slot assignments for all switches and rebooting the stack, the primary role

will be given to the switch with the lowest slot number. The secondary role will be given to the switch

with the next-lowest number. All additional switches with higher numbers will be given idle status.

• Changing the slot number of a chassis does not immediately change its management role (i.e., primary,

secondary, or idle). You must reboot all the switches in the stack before these changes will take effect.

• Refer to the illustration on page 3-10 for one of many valid slot numbering possibilities.

To assign a new slot number to one or more switches in a stack, follow the steps below:

1 To change the slot number, gently insert a pointed item, such as the open, pointed end of a paper clip,

into the small hole (labeled SEL) below the slot number LED on the switch’s front panel. The LED

display will begin to flash. You can manually change the slot number as long as the LED continues to

flash.

Note. The LED may also advance by one number when the SEL button is initially pressed.

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 113 114

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Alcatel 6648 User's Guide Page 88