# a, b and c are connected through p2p shim DIFs
eth 300 10Mbps a b
eth 400 20Mbps b c
eth 500 30Mbps a c

# DIF n1 spans over the p2p shim DIFs
dif n1 a 300 500
dif n1 b 300 400
dif n1 c 400 500