gigabitethernet 1/0/2 — gigabitethernet 1/0/3 Jumper console#sh running-config no spanning-tree ! vlan database vlan 555,969 exit ! interface gigabitethernet 1/0/1 switchport mode trunk switchport trunk allowed vlan add 969 description uplink switchport forbidden default-vlan exit ! interface gigabitethernet 1/0/2 switchport mode customer switchport customer vlan 969 switchport forbidden default-vlan exit ! interface gigabitethernet 1/0/3 switchport […]