Networking - Spanning Tree Protocol - Discussion
Discussion Forum : Spanning Tree Protocol - Spanning Tree Protocol (Q.No. 5)
5.
If you want to disable STP on a port connected to a server, which command would you use?
Answer: Option
Explanation:
If you have a server or other devices connected into your switch that you're totally sure won't create a switching loop if STP is disabled, you can use something called portfast on these ports. Using it means the port won't spend the usual 50 seconds to come up while STP is converging.
Discussion:
6 comments Page 1 of 1.
Walter said:
3 years ago
Bypassing listening and learning state means you are ignoring STP in a switched network. Am I right?
Nidhin said:
5 years ago
In Port fast enabled interface actually doing bypass the state which is listening and learning time for fast convergence (30 sec) it doesn't mean stp is disabled in that interfaces.
Joshi said:
9 years ago
@Tiffany.
You are right, enabling port fast doesn't mean to disable STP.
You are right, enabling port fast doesn't mean to disable STP.
Tiffany said:
1 decade ago
I thought port fast was to reduce the time needed to reduce STP convergence, not disable it.
Vidya yadav said:
1 decade ago
Why it will take 30 sec?
Blocking---20 sec------>listening------15 sec--->learning----15 sec--->forwarding I think blocking to forwarding time will 50 sec.
Blocking---20 sec------>listening------15 sec--->learning----15 sec--->forwarding I think blocking to forwarding time will 50 sec.
Mohan ayare said:
1 decade ago
Forwarding time is 15+15 = 30 second not 50 second.
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