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Adding Cisco switch to Stack

Posted on 2011-02-17
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Last Modified: 2012-06-21
I need to stack 2 switches.

How do I designate / identify which switch will be the master switch BEFORE stacking the switches?

Is this procedure the same regardless if they are 2 stand-alone switches being stacked or if I'm adding a new switch to an existing stack?
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Question by:c-h-r-i-s-t-o-p-h
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mikegatti earned 500 total points
ID: 34920951
When Cisco catalyst switches are stacked the switch with the highest stack member priority value wins. You can configure the stack master by using the command:

switch stack-member-number priority new-priority-number

Cisco recommends assigning the highest priority value to the switch that you prefer to be the stack master. This ensures that the switch is re-elected as stack master if a re-election occurs

When you add a new switch there is no new election of a new master switch, this will only take place in the event of a failure or configuration change. Here is a good document for reference:

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst3750/software/release/12.2_25_see/configuration/guide/swstack.html#wp1106477
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