# This is the STP example from IEEE 802.1D-2004 figures 17.4 and 17.5. bridge 0 0x111 = a b e c bridge 1 0x222 = a b d f bridge 2 0x333 = c d l j h g bridge 3 0x444 = e f n m k i bridge 4 0x555 = g i 0 0 bridge 5 0x666 = h k 0 0 bridge 6 0x777 = j m 0 0 bridge 7 0x888 = l n 0 0 run 1000 check 0 = root check 1 = F:10 B F F check 2 = F:10 B F F F F check 3 = F:10 B F F F F check 4 = F:20 B F F check 5 = F:20 B F F check 6 = F:20 B F F check 7 = F:20 B F F # Now connect two ports of bridge 7 to the same LAN. bridge 7 = l n o o # Same results except for bridge 7: run 1000 check 0 = root check 1 = F:10 B F F check 2 = F:10 B F F F F check 3 = F:10 B F F F F check 4 = F:20 B F F check 5 = F:20 B F F check 6 = F:20 B F F check 7 = F:20 B F B