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12-02-2019 06:17 AM - edited 07-05-2021 11:22 AM
Hi there,
Can someone help me, I have been assigned to add a 3rd 3850 switch to existing stack, can this be done without the whole stack being rebooted?
I eagerly await your response and appreciate your help in advance!!
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12-02-2019 11:17 AM
It is recommend that all switches running the same IOS version, so.. until add it at stack, updated it.
Look this guide in other post: https://community.cisco.com/t5/networking-documents/how-to-form-a-catalyst-3850-data-stack-and-power-stack/ta-p/3156083
Note: The switch to be added to the stack must be off. Otherwise, the hole stack will reload.
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12-02-2019 06:23 AM
If you add a new switch under a existent stack.. Just check priority to this not take the root. The switches wont rebooted if the priority is correctly to do not swap the actual root. :)
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12-02-2019 10:40 AM
Many thanks for the response,
So I just need to set the the priority low so it does not become the master? What about the software version; if it is of the later version that the other 2 in the stack would it reboot the other 2 in the stack or cause problems. Is there a step by step guide configuration you can link too?
Kind regards
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12-02-2019 11:17 AM
It is recommend that all switches running the same IOS version, so.. until add it at stack, updated it.
Look this guide in other post: https://community.cisco.com/t5/networking-documents/how-to-form-a-catalyst-3850-data-stack-and-power-stack/ta-p/3156083
Note: The switch to be added to the stack must be off. Otherwise, the hole stack will reload.
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12-02-2019 11:48 AM
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12-02-2019 12:01 PM
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