Spanning tree
Topic 4 of 26. 0 questions:
What this topic covers
- why STP exists broadcast storms and MAC flapping
- BPDU contents
- root bridge election bridge ID priority and system ID extension
- root port and designated port selection and tie breakers
- port costs short vs long
- 802.1D port states and timers
- RSTP port roles and proposal agreement
- PVST+ vs Rapid PVST+ vs MST
- MST regions and instances
- PortFast
- BPDU Guard
- BPDU Filter
- Root Guard
- Loop Guard
- UDLD
- topology change notifications
- root placement aligned with the gateway
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