Questions tagged [ieee-802.1w]

For questions about Rapid Spanning-tree protocol (RSTP). For instance, you are troubleshooting an issue where Spanning-tree is not forwarding the correct VLANs on your trunk.

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In RSTP, where all switches generate their own BPDUs, are they limited to forwarding them only on designated ports? (like in classic STP)

I recently learnt a rule in STP: only Designated ports forward BPDUs. However, I'm not sure about this in RSTP since ALL switches generate their own BPDUs every few seconds. So, in a certain LAN ...
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Adding new switch to Spanning Tree network

Currently studying Spanning Tree, I'm not sure about the behaviour when we add a new switch to an existing STP topology (with cisco pvst+). Assuming we plug this new bridge called S4 with only one ...
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When exactly the Proposal and Agreement flags are used in RSTP

When does the flags proposal and agreement are set in RSTP? What are its importance?
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STP configurations

In my design, there will be a few be a few rings of edge switches that are connected to my distribution switch. (alcatel 6860-U28) The distribution switch will then be connected to my core router ( ...