网络1，2

Switch>enable

Switch#configure terminal
Switch(config)#vlan 23
Switch(config-vlan)#exit
Switch(config)#vlan 24
Switch(config-vlan)#exit
Switch(config)#interface rangefa0/1-2
Switch(config-if-range)#switchport modeaccess
Switch(config-if-range)#switchport accessvlan 23
Switch(config-if-range)#exit
Switch(config)#interface rangefa0/3-4
Switch(config-if-range)#switchport modeaccess
Switch(config-if-range)#switchport accessvlan 24
Switch(config-if-range)#exit

2----------------------

Router>enable
Router#configure terminal
Router(config)#hostname Router23
Router23(config)#interface fa0/0
Router23(config-if)#ip address192.168.11.1 255.255.255.0
Router23(config-if)#no shutdown
Router23(config-if)#exit
Router23(config)#interface s0/0/0
Router23(config-if)#ip address192.168.22.1 255.255.255.0
Router23(config-if)#clock rate 64000
Router23(config-if)#no shutdown
Router23(config-if)#exit
Router23(config)#router ospf1
Router23(config-router)#network192.168.11.0 0.0.0.255 area 0
Router23(config-router)#network192.168.22.0 0.0.0.255 area 0
Router23(config-router)#exit

Router>enable
Router#configure terminal
Router(config)#hostname Router24
Router24(config)#interface fa0/0
Router24(config-if)#ip address192.168.33.1 255.255.255.0
Router24(config-if)#no shutdown
Router24(config-if)#exit

Router24(config)#interface s0/0/0
Router24(config-if)#ip address192.168.22.2 255.255.255.0
Router24(config-if)#no shutdown
Router24(config-if)#exit
Router24(config)#router ospf1
Router24(config-router)#network192.168.22.0 0.0.0.255 area 0
Router24(config-router)#network192.168.33.0 0.0.0.255 area 0
Router24(config-router)#exit