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

Download Lab files here

Coming Soon