先配置地址=================== 

# 取网段第一个可用地址作为PC的ip地址, 最后一个可用地址作为网关地址

PC1   address 192.168.10.1      mask 255.255.255.192   gw 192.168.10.62
PC2   address 192.168.10.129    mask 255.255.255.192   gw 255.255.255.190
PC3   address 192.168.10.65     mask 255.255.255.192   gw 255.255.255.126

AR1===================================
sys
sysna AR1

int g0/0/1
ip add 172.16.10.1 30 
int g0/0/0
ip add 192.168.10.62 26 

ospf 1 
a 0
sil g0/0/0

int g0/0/0
ospf en 1 a 0

int g0/0/1
ospf en 1 a 0
ospf net p2p

LSW1 ===================================
sys
sysna LSW1 
vlan bat 10 100 200 
int g0/0/1
port link-t acc
port def vl 100 
int g0/0/2
port link-t acc
port def vl 10
int g0/0/3
port link-t acc
port def vl 200

ospf 1 
a 0
si vl10

int vl 10
ip add 192.168.10.190 26
ospf en 1 a 0

int vl 100
ip add 172.16.10.2 30
ospf en 1 a 0
ospf netw p2p 

int vl 200
ip add 172.16.20.1 30 
ospf en 1 a 0
ospf net p2p 

AR3 ===================================
sys
sysna AR3
int g0/0/0
ip add 172.16.20.2 30 
int g0/0/1
ip add 192.168.10.126 26

ospf 1 
a 0
sil g0/0/1

int g0/0/0
ospf en 1 a 0
ospf net p2p
int g0/0/1
ospf en 1 a 0