The request
“A spine-leaf data-center fabric with two spine switches, four leaf switches, and three servers connected at 25G to Leaf 1, Leaf 2 and Leaf 4.”
Then tryAdd a fourth server to Leaf 3.Add a third spine switch.
More like this
A folded-Clos data-center fabric — two spine switches, four leaf switches fully meshed to the spines automatically, and servers attached to their leaves at 25G.
“A spine-leaf data-center fabric with two spine switches, four leaf switches, and three servers connected at 25G to Leaf 1, Leaf 2 and Leaf 4.”