先解决ip，再处理路由，然后考虑策略

AR1:
sys
sys R1
int g0/0/0
ip address 12.0.0.1 24
int l0
ip add 1.1.1.1 24
int g 0/0/1
ip address 14.0.0.1 24
q
int l1
ip address 172.16.1.1 24
int l2
ip address 172.16.2.1 24
int l3
ip address 172.16.3.1 24
display ip interface brief 查看ip是否配错
rip
v 2
network 12.0.0.0
network 14.0.0.0
network 1.0.0.0
network 172.16.0.0
display ip routing-table protocol rip
//减少路由条目数量，进行汇总
int g 0/0/0
rip summary address 172.16.0.0 255.255.252.0【rip summary address 后跟汇总地址】
rip g 0/0/1
rip summary address 172.16.0.0 255.255.252.0
q
display ip routing-table protocol rip
int g 0/0/0
rip authentation-mode md5 usual cipher 123456
telent 2.2.2.2

AR2:
sys
sys R2
int g0/0/0
ip address 12.0.0.2 24
int g 0/0/1
ip address 23.0.0.1 24
q
int l0
ip add 2.2.2.2 24
ping 12.0.0.1
ping 23.0.0.2
rip
v 2
network 12.0.0.0
network 23.0.0.0
network 2.0.0.0
display ip routing-table protocol rip
int g 0/0/0
rip authentation-mode md5 usual cipher 123456
display rip 1 route
ip route-static 172.16.0.0 22 n0 防治路由黑洞造成路由环路问题
ping 7.7.7.7
ping 6.6.6.6
ping 3.3.3.3
ping 2.2.2.2
ping 5.5.5.5 不可ping通，因为不能宣告
display ip routing-table protocol rip
int g 0/0/0
nat static protocol tcp global interface loopback 0 直接写接口名称来替代ip
nat static protocol tcp global interface loopback 0 inside 7.7.7.7 23
y
acl 2000
rule permit source 7.0.0.0 0
q
int g 0/0/0
rip metricin 2000 ?
rip metricin 2000 10 修改为10
q

AR3:
sys
sys R3
int g0/0/0
ip address 23.0.0.2 24
int g 0/0/1
ip address 34.0.0.1 24
q
int l0
ip add 3.3.3.3 24
ping 34.0.0.2
rip
v 2
network 23.0.0.0
network 34.0.0.0
network 3.0.0.0
display ip routing-table protocol rip
//要求R3使用R2访问R1环回
acl 2000
rule permit source 1.1.1.0 0
rule permit source 172.16.0.0 0
q
int g 0/0/1
rip meticin 2000 10

AR4:
sys
sys R4
int g0/0/0
ip address 14.0.0.2 24
int g 0/0/1
ip address 34.0.0.2 24
int g 0/0/2
ip address 45.0.0.1 24
int g 4/0/0
ip address 46.0.0.1 24
q
int l0
ip add 4.4.4.4 24
ping 14.0.0.1
ping 45.0.0.2
ping 46.0.0.2
rip
v 2
network 14.0.0.0
network 34.0.0.0
network 45.0.0.0
network 46.0.0.0
network 4.0.0.0
display ip routing-table protocol rip
acl 2000
rule permit source 12.0.0.0
q
int g 0/0/0
rip metricont
rip metricin 2000 10

AR5:
sys
sys R5
int g0/0/0
ip address 45.0.0.2 24
int l0
ip add 5.5.5.5 24
q
ping 45.0.0.1
rip
v 2
network 45.0.0.0
display ip routing-table protocol rip
rip
default-cost
default-route originate

AR6:
sys
sys R6
int g0/0/0
ip address 46.0.0.2 24
int g 0/0/1
ip address 67.0.0.1 24
q
int l0
ip add 6.6.6.6 24
display ip interface brief
ping 67.0.0.2
rip
v 1
network 46.0.0.0
network 67.0.0.0
network 6.0.0.0
display ip routing-table protocol rip
int g 0/0/0
rip version 2
//R6-R7路由器不能学习到达R1环回路由—可以直接在R6上进行过滤
acl 2000
rule deny source 172.16.0.0 0
rule deny source 1.1.1.0 0
rule permit source any
q
rip
filter-policy 2000 import
q
ping 7.7.7.7
telnet 7.7.7.7

AR7:
sys
sys R7
int g0/0/0
ip address 67.0.0.2 24
int l0
ip add 7.7.7.7 24
q
rip
v 1
network 67.0.0.0
network 7.0.0.0
display ip routing-table protocol rip
aaa
local-user lbs privilege lecel 15 password cipher 29920814
local-user lbs service-type telnet
q
user-group
user-interface vty 0 4
acl-ping
authentication-mode aaa