[c-nsp] C6500 dual supervisor redundancy to break

Paul paul at gtcomm.net
Sun Oct 2 03:27:05 EDT 2016


> Hi experts,
> on my running C6500 in one of the PoP I've configured redundancy with dual
> Sup-2T.
>
> Now I'm going to add a new C6500 and want to remove one Sup from running
> C6500 and to insert in the new one.
>
> The questions:
>
> 1) do you suggest to keep redundancy enabled also with one Sup in the
> current running switch ? There is no plan to have again redundancy on this.
doesn't matter, it automatically changes when there's only one sup
> 2) if I want remove redundancy, do I have just to eject the supervisor and
> remove redundancy configuration ?
Yes, i usually reboot the slave supervisor and then pull it out after 
the log says it's disappeared, less potential issues.
> 3) when removing redundancy config do I have to expect traffic loss ?
Shouldn't unless you have things plugged into the slave
> 4) or it's better to leave configured in recovery mode ?
>
> I'm not able to find this case on the cisco.com, I find only how to add
> redundancy but not how to break redundancy :-)
>
> Thanks in advance for any hint.
>
> Cheers
> James
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