CCIE link #11
To be a CCIE we need a good grasp of switching and STP. This post by Petr Lapukhov (again) is
CCIE, CCIE links, Spanning tree, Switching
Spanning tree
CCIE, Notes, Spanning tree
Spanning tree – notes
Electing the root Only one switch can be the root bridge. From the start all switches announce themselves as the