How to bring the port up from the flapping state on Cisco?

If you have issues with port on your Cisco switch you need to use these commands: With this command you will be able to locate flapping port:

sh int status

Go to the configuration state:

conf t

Let's use eth1/6 as an example.

int eth1/6

Switch off and switch on the port:

shut

no shut

We need to exit twice:

exit

exit

And save our config:

wr

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