Hello guys, I faced with problem. R1int f0/0ip add 192.168.100.1 255.255.255.252int f0/0.100encapsulate do1q 100ip add 192.168.100.254 255.255.255.0 SWvlan 100int f0/1switchport mode trunkswitchport trunk allow vlan 100 int fa0/2switchport mode acces...