Hi,Here is the the configuration ** Router **interface gigabitEthernet 0/1.1encapsulation dot1Q 10ip address 192.168.10.1 255.255.255.0!interface gigabitEthernet 0/1.2encapsulation dot1Q 20ip address 192.168.20.1 255.255.255.0!**Switch1**vlan 10name...