ENCOR #2 – Layer 2
In Progress
How did port states change between 802.1D and RSTP?
How did port states change between 802.1D and Rapid Spanning Tree Protocol (RSTP)? What are the new RSTP port states?
At what point is the path cost updated in a BPDU message?
When is the root path cost updated? Is it when a switch receives a BPDU? Just before the BPDU is sent to the next switch?
What is the Loop Guard Function?
What is Loop Guard? How do you configure Loop Guard on your Cisco Switch?
MST Instances vs MST Regions
Coming Soon
Is MST configuration locally significant to each switch?
Coming Soon
What do the Sub-Headings in ‘show interfaces trunk’ mean?
Coming Soon
What roles and messages are used in a VTP architecture?
Coming Soon
How do VTP messages propagate, based on revision number?
Coming Soon
CCNP Layer-2 LAB
Coming Soon