仮想Ethernetの設定の仕方を誰かやさしく詳しく教えてくれんか。
↓のこんふぃぐじゃダメ？
[[ETHSW S1]]
1 = access 1
2 = access 20
3 = dot1q 1

[[ROUTER R1]]
F1/0 = S1 1
[[ROUTER R2]]
F1/0 = S1 3