interface Port-channel1
description To_QinQ_20GE
switchport
switchport trunk allowed vlan 601-603
switchport mode trunk
switchport vlan mapping 20,71-79,81,82,90-99,101-107,113,114,116-121,123 dot1q-tunnel 601
switchport vlan mapping 128,137,138,141,143,144,146-152,157,158,169 dot1q-tunnel 602
switchport vlan mapping 171-178,180-183,190-196,201,202,204-212 dot1q-tunnel 603
no vtp