sysname R1

interface GigabitEthernet0/0/0
?ip address 14.1.1.1 255.255.255.0?
?rip summary-address 172.16.0.0 255.255.252.0?
#
interface GigabitEthernet0/0/1
?ip address 12.1.1.1 255.255.255.0?
?rip authentication-mode md5 usual plain cisco
?rip summary-address 172.16.0.0 255.255.252.0?

interface LoopBack0
?ip address 1.1.1.1 255.255.255.0?
#
interface LoopBack1
?ip address 172.16.1.1 255.255.255.0?
#
interface LoopBack2
?ip address 172.16.2.1 255.255.255.0?

interface LoopBack3
?ip address 172.16.3.1 255.255.255.0?

rip 100
?version 2
?network 172.16.0.0
?network 1.0.0.0
?network 12.0.0.0
?network 14.0.0.0

sysname R2

acl number 2000 ?
?rule 5 permit source 7.0.0.0 0?

interface GigabitEthernet0/0/0
?ip address 12.1.1.2 255.255.255.0?
?rip authentication-mode md5 usual plain cisco
?rip metricin 2000 10
?nat server protocol tcp global 2.2.2.3 telnet inside 7.7.7.7 telnet
#
interface GigabitEthernet0/0/1
?ip address 23.1.1.1 255.255.255.0?
#

interface LoopBack0
?ip address 2.2.2.2 255.255.255.0?
#
rip 100
?version 2
?network 12.0.0.0
?network 23.0.0.0
?network 2.0.0.0

sysname R3

acl number 2000 ?
?rule 5 permit source 1.1.1.0 0?
?rule 10 permit source 172.16.1.0 0?
?rule 15 permit source 172.16.2.0 0?
?rule 20 permit source 172.16.3.0 0?
?rule 25 permit source 172.16.0.0 0?

interface GigabitEthernet0/0/0
?ip address 23.1.1.2 255.255.255.0?
#
interface GigabitEthernet0/0/1
?ip address 34.1.1.1 255.255.255.0?
?rip metricin 2000 5
#
interface LoopBack0
?ip address 3.3.3.3 255.255.255.0?
#
rip 100
?version 2
?network 23.0.0.0
?network 34.0.0.0
?network 3.0.0.0

sysname R4

acl number 2000 ?
?rule 5 permit source 12.1.1.0 0?
?rule 10 permit source 1.1.1.0 0?

#
interface GigabitEthernet0/0/2
?ip address 46.1.1.1 255.255.255.0?
?rip version 1
#
interface GigabitEthernet0/0/1
?ip address 34.1.1.2 255.255.255.0?
#
interface GigabitEthernet0/0/0
?ip address 14.1.1.2 255.255.255.0?
?rip metricin 2000 10
#
interface GigabitEthernet4/0/0
?ip address 45.1.1.1 255.255.255.0?
#
interface LoopBack0
?ip address 4.4.4.4 255.255.255.0?
#
rip 100
?version 2
?network 14.0.0.0
?network 34.0.0.0
?network 45.0.0.0
?network 4.0.0.0
?network 46.0.0.0

?sysname R5

interface GigabitEthernet0/0/2
?ip address 45.1.1.2 255.255.255.0?
#
interface LoopBack0
?ip address 5.5.5.5 255.255.255.0?
#
interface LoopBack1
?ip address 100.1.1.1 255.255.255.0?
#
rip 100
?default-route originate
?version 2
?network 45.0.0.0
?network 5.0.0.0

sysname R6

#
acl number 2000 ?
?rule 5 deny source 1.0.0.0 0?
?rule 10 deny source 172.16.0.0 0?
?rule 15 permit?
#
interface S GigabitEthernet0/0/0
?link-protocol ppp
?ip address 46.1.1.2 255.255.255.0?
#
interface GigabitEthernet0/0/1
?ip address 67.1.1.1 255.255.255.0?
#
interface LoopBack0
?ip address 6.6.6.6 255.255.255.0?
#
rip 100
?version 1
?network 6.0.0.0
?network 46.0.0.0
?network 67.0.0.0
?filter-policy 2000 import Serial4/0/0
#