AR1
sys
sysname r1
int g0/0/0
ip add 192.168.1.254 24
int g0/0/1
ip add 192.168.10.1 30
AR3
sys
sysanme r2
int g0/0/1
ip add 192.168.10.2 30
int g0/0/2
ip add 192.168.20.1 30
AR4
sys
sysname r3
int g0/0/2
ip add 192.168.20.2 30
int g0/0/1
ip add 192.168.30.1 30
AR2
sys
sysname r4
int g0/0/1
ip add 192.168.30.2 30
ing g0/0/0
ip add 192.168.2.254 24
接下来ospf协议
AR1
sys
ospf
area 1
network 3.3.3.3 0.0.0.0
network 192.168.1.0 0.0.0.255
network 192.168.10.0 0.0.0.3
AR3
sys
ospf
area 1
network 192.168.10.0 0.0.0.3
area 0
network 1.1.1.1 0.0.0.0
network 192.168.20.0 0.0.0.3
AR4
sys
ospf
area 1
network 192.168.30.0 0.0.0.3
area 0
network 2.2.2.2 0.0.0.0
network 192.168.20.0 0.0.0.3
AR2
sys
ospf
area 1
network 192.168.30.0 0.0.0.3
network 4.4.4.4 0.0.0.0
network 192.168.2.0 0.0.0.255