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Spanning Tree Protocol

ABINTHOMAS6431
Spotlight
Spotlight

Does a normal STP can enable portfast, uplink fast and backbone fast or it is enabled only in RSTP.

In RSTP is these features enabled by default? 

1 Accepted Solution

Accepted Solutions

luis_cordova
VIP Alumni
VIP Alumni

Hi @ABINTHOMAS6431 ,

 

In RSTP, Portfast ports are called edge ports and the way to activate them is with the same command as in STP.

In RSTP, both Uplink Fast and Backbone Fast are mechanisms that are included, but, as @Reza Sharifi  says, the ports that will have these characteristics must be specified.
I suggest you take a look at this explanatory guide:

https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24062-146.html

 

Regards

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2 Replies 2

Reza Sharifi
Hall of Fame
Hall of Fame

Correct. they are part of RSTP but you have to enable them.

HTH

luis_cordova
VIP Alumni
VIP Alumni

Hi @ABINTHOMAS6431 ,

 

In RSTP, Portfast ports are called edge ports and the way to activate them is with the same command as in STP.

In RSTP, both Uplink Fast and Backbone Fast are mechanisms that are included, but, as @Reza Sharifi  says, the ports that will have these characteristics must be specified.
I suggest you take a look at this explanatory guide:

https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24062-146.html

 

Regards

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