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BPDU-PROTECTION
As "spanning-tree bpdu-protection" is global command not a per port setting like bpdu guard on a cisco, how is it applied to the ports?
As you do not want it to shut down trunk ports between the switches.
Does it only affect ports configured as access ports, general ports? or does it only affect ports with port fast enabled?
All the documentation I have found does not specify how it applied to the different ports, only that it will affect edge ports.
So how are the edge ports specified on Dell Switch.
Anonymous
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October 15th, 2013 07:00
My understanding is that placing a port in portfast mode is establishing that port as an edge port.
#spanning-tree portfast
So before enabling bpdu-protection globally, set all edge ports to portfast mode. And make sure all the connections to other switches/routers do not have portfast enabled on them. Then globally enable protection, and you are good to go.
Hope this helps.