Hello.i'm trying to setup some subinterfaces the following wayInterface GigabitEthernet1/7.2Vlan 2192.168.2.1Interface GigabitEthernet 1/8.2Vlan 2192.168.2.1how ever it doesn't allow me to put vlan 2 on the 1/8.2 subinterface "ERROR: Vlan 2 exists in...