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i have 4 cisco 3850's set up in a stack 1-master 2-secondary 3-member 4-member, however when i unplug-replug a stacking cable both member switches restart, 1 and 2 are unaffected.

stacking is set as

1-2
2-3
3-4
4-1

when a cable is unplugged the switches continue to work fine, however when the cable is plugged back in 3 and 4 restart.
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James H
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Do they show as members of the stack?
If you run: show switch

What does it show as their current state?
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Do you have any record in log?

show logg
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ASKER

Hi, Thanks for the replies guys. We will need to go to the client site and get this info. as the site is new and still being built out with no comms. lines. Will let you know as soon as I have the details requested.

Regards
Make sure you have set the priority for master and backup master manually to avoid an election with one of the members to take over either of those roles unintentionally.
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msbccs
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ASKER

Had to accept our own answer as it was such a weird hardware issue. All other contributors gave valued input, so thank you.