Is it possible to restart the spanning-tree protocol on a catalyst switch after disabling stp on a vlan without restarting the switch?
I have removed the STP instance from each of my (two) vlans on my switches (they do not have redundant links back to the (former) root bridge), and have had a change of heart and want to enable it again!
Strictly speaking no you don't as there is nothing for STP to block in your setup.
However running STP is pretty much always a good idea because it can provide protection against against unforseen issues such as miscabling and accidentally creating a loop, users connecting up their own switches/hubs etc.
It does not generate a lot of traffic and is not particularly heavy on switch resources so it is well worth running even in non redundant networks.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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