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    STP forwarding delay

    Hello. In STP, after a topology change, a port takes by default 30 seconds (2 x forwarding-delay) to move from the blocking to the forwarding state What was the design purpose of this? Why would a port need to listen to BPDUs for 30 seconds before ...

  • Hi. I have a question about the STP port's learning state. In STP, ports in both the 'listening' and 'learning' states listen to and transmit BPDUs. But what exactly is the 'learning' port learning? MAC addresses? Is it receiving traffic even before ...

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    CoS assistance needed

    On QFX10008, I got the following: The following is resource allocation by default. The code of point by default is as follows: "show class-of-service classifier name dscp-default" does not show any code of point will assign to fcoe ...

  • Got it. Thanks Ravi!

  • Hi The TC bit will be set by the root for a period of max_age + forward_delay seconds, which is 20+15=35 seconds by default. This result into all the downstream bridged reducing their mac age out timer to 15 seconds.

    1 person recommends this.


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