In this setup switch 5 is the top most switch and 1 is the bottom most switch in the rack. Switch 1 (bottom most) is the Master currently. Customer wants to make Switch 5 (top most) the master.
I said to turn OFF the entire stack and to turn ON only the top most switch. Then this switch will become the master. After that I said turn ON the other 4 switches.
Then when everything is stable to add the new switch for which he has rack space only at the bottom of the current stack and no space at the top of the current stack.
Since I am not sure of what I am saying (because I have not worked on these 3750 stacks a great deal) I said to plan an outage of a couple of hours, save current config of current stack and then start.
Of course I infomred the customer to follow the steps that I mentioned in the previous entry about IOS versions need to be kept in mind.
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