One
Second, IP planning
1) Configure the terminal IP, subnet mask, gateway
pc0:192.168.10.100 255.255.255.0 192.168.0.1
pc1:192.168.20.100 255.255.255.0 192.168.1.1
laptop0:192.168.30.100 255.255.255.0 192.168.3.1
server0:192.168.40.100 255.255.255.0 192.168.4.1
2) Configure the IP address of the routing port.
Fa0/0:ip Add 192.168.10.1 255.255.255.0
Fa0/1:ip Add 192.168.20.1 255.255.255.0
Fa1/0:ip Add 192.168.30.1 255.255.255.0
Fa1/1:ip Add 192.168.40.1 255.255.255.0
Third, the Operation procedure
1) en (able)--enters "privileged mode" by "User mode".
2) No IP domain-look--(optional) Turn off resolving domain names.
show IP int B (rief)--Display router port
3) conf (igure) T (erminal)--has "privileged mode" into "Global Mode".
4) Int f0/0--Enter the interface and note the cross-line port name.
5) IP Add 192.168.0.1 255.255.255.0--Configure IP and mask.
6) No shut--start the router.
7) Complete! --Exit global configuration Mode/Privileged mode
Terminals of different network segments communicate with each other