Netgear 7000 Series Managed Switch User Manual download pdf (Page 176)

NETGEAR 7000 Series Managed Switch Administration Guide Version 7.2

20-14 Managing Switch Stacks

v1.0, May 2008

• Add the new stack unit to the stack using the process described in section “Adding a Unit to an

Operating Stack”. The unit can be inserted into the same position as the unit just removed, or

the unit can be inserted at the bottom of the stack. In either case, make sure all stack cables are

connected with the exception of the cable at the position where the new unit is to be inserted to

insure that the stack does not get divided into two separate stacks, causing the election of a

new master.

Renumbering Stack Members

1. If particular numbering is required, it is recommended that stack members be assigned specific

numbers when they are first installed and configured in the stack, if possible.

2. If the desired stack unit number for a particular unit is unused, a unit can be renumbered

simply by using the switch <oldunit-id> renumber <newunit-id> CLI command. This

command is found in global config mode.

3. If the newunit-id has been preconfigured, you may need to remove the newunit-id from the

configuration before renumbering the unit.

4. If reassignment of multiple existing stack unit numbers is necessary, there are a number of

implications in terms of mismatching of configuration. In this case, it is recommended that all

units except the master be powered down and added back one at a time using the procedure in

Section “Adding a Unit to an Operating Stack”.

Moving a Master to a Different Unit in the Stack

1. Using the movemanagement command, move the master to the desired unit number. The

operation may take between 30 seconds and 3 minutes depending on the stack size and

configuration. The command is movemanagement <fromunit-id> <tounit-id>

2. Make sure that you can log in on the console attached to the new master. Use the show switch

command to verify that all units rejoined the stack.

3. It is recommended that the stack be reset with the reload command after moving the master.

Removing a Master Unit from an Operating Stack

1. First, move the designated master to a different unit in the stack using “Moving a Master to a

Different Unit in the Stack”.

2. Second, using “Removing a Unit from the Stack”, remove the unit from the stack.

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Netgear 7000 Series Managed Switch User Manual Page 176