Cisco Certifications - Who's up for one of Martin's awesome study questions?? Knowing how spanning tree works in theory is important no matter whether you are studying for CCNA, CCNP or CCIE
Spanning Tree Protocol | TheNetworkSeal.wordpress.com
RSTP | Excellent Summary of Rapid Spanning Tree Protocol ⋆ IpCisco
Cisco CCNA - Spanning Tree Protocol(Root Bridge, Root/Designated/Blocked Ports)
How does spanning tree protocol selects a Designated Port ?