Reggle's Blog-Redundant switch design without spanning tree.

[Reggle]

Redundant switch design without spanning tree.

And no FabricPath either. This one works without any active protocol involved, and no blocked links. Too good to be true? Of course! Take the above example design: three switches connected by port channels. Let’s assume users connect to these switches with desktops. Using a normal design, spanning tree would be configured (MST, RPVST+, you pick) […]
Source: Redundant switch design without spanning tree.

From https://reggle.wordpress.com/