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How do you remove a Cisco stackwise switch member?

Posted on 2011-03-20
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3,045 Views
Last Modified: 2012-05-11
We have a switch in a Catalyst 3750 stackwise core configuation that isn't being used and we want to use it on another part of the same LAN, but not sure how to do it.
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Question by:mscit
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Assisted Solution

by:rfc1180
rfc1180 earned 500 total points
ID: 35176331
Are you able to post the config?
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Author Comment

by:mscit
ID: 35176357
Yes, it is attached. Core-switch-config-for-EE.txt
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Expert Comment

by:rfc1180
ID: 35176370
It is need to verify the configuration, if you can not post, then the typical way is:

Verify the stack is fully connected so that when you remove the member switch, the stack will be in half connectivity.

show switch stack
show switch detail

Then power off the member to be removed; if the member was the stack master, the stack master election will occur, otherwise no election will occur.

Remove the StackWise cables from the member and close the stack ring; meaning you will need to complete the loop. Once complete issue the command 'show switch' to verify the stack membership.

Billy
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Expert Comment

by:rfc1180
ID: 35176384
thanks for the config, just process the steps in my previous post to complete your request. I just wanted to verify the stack to ensure we both were on the same page with what you wanted to accomplish
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Author Comment

by:mscit
ID: 35176420
How do I remove the member from the configuration so that it isn't remembered?

We have already done the switch removal process you provided before and brought the stack back online, but the switch member configuration is still on the stack. Also the removed member was given a write erase and reconfigured for use in another location that isn't a stack and it doesn't have connectivity to the core stack via the fiber links, which are known good.
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Expert Comment

by:rfc1180
ID: 35176483
Which stack member (Number) did you remove
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Assisted Solution

by:rfc1180
rfc1180 earned 500 total points
ID: 35176520
you can try no switch 'x' provision ws-c3750g-48ts (x) being the number of the stack member you removed.


 Also the removed member was given a write erase and reconfigured for use in another location that isn't a stack and it doesn't have connectivity to the core stack via the fiber links, which are known good.

What happens when you take a fiber patch and loop the fiber ports on the switch, does the interface go up/up?

Billy
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Author Comment

by:mscit
ID: 35176601
The switch that was removed was 5, the lowest priority. It is now back in the stack so I don't want to do a fiber loop.

When switch 5 is powered up in the stack it doesn't allow the command below:
ATK-Core(config)#no switch 5 provision ws-c3750e-48pd
%Switch can not be un-provisioned when it is physically present
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Expert Comment

by:rfc1180
ID: 35176616
>When switch 5 is powered up in the stack it doesn't allow the command below:
ATK-Core(config)#no switch 5 provision ws-c3750e-48pd
%Switch can not be un-provisioned when it is physically present

correct as it should, my assumption was that the switch had already been removed.
why did you add it back into the stack?
Is the stack operational at this point?
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Author Comment

by:mscit
ID: 35176649
We added it back to see if that would help un-provision it, because as it was it wasn't working and still showed the ports labeled as g5/0/x instead of g0/x

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Accepted Solution

by:
mscit earned 0 total points
ID: 35176650
Yes the stack is operational with switch 5 as a member.
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Author Closing Comment

by:mscit
ID: 35221142
We found that the actual problem was the wrong type of GBIC modules, they were SM and needed to be MM.

The comments did help with troubleshooting, but some of the syntax wansn't fully accurate.

Thanks!
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