https://community.infosecinstitute.com/discussion/68862/spanning-tree-and-packettracer-wtf
Spanning-tree and PacketTracer - wtf?! - TechExams Community
Topology: D1 is set as the root for VLAN 10,20,100,200 and D2 (upper right) is set as the secondary root. All switches are running rapid-pvst When I do show...
spanning treepackettracerwtfcommunity