Rip experiment

The topology

Experimental steps and configuration

1、IP And loopback

AR1

[r1-GigabitEthernet0/0/0]ip a 192.168.1.1 30
[r1-GigabitEthernet0/0/1]ip a 192.168.1.9 30
[r1-LoopBack0]ip a 172.16.1.1 24
[r1-LoopBack1]ip a 172.16.2.1 24
[r1-LoopBack2]ip a 172.16.3.1 24
[r1-LoopBack3]ip a 1.1.1.1 24

AR2

[r2-GigabitEthernet0/0/0]ip a 192.168.1.2 30
[r2-GigabitEthernet0/0/1]ip a 192.168.1.5 30
[r2-LoopBack0]ip a 2.2.2.2 24

AR3

[r3-GigabitEthernet0/0/0]ip a 192.168.1.14 30
[r3-GigabitEthernet0/0/1]ip a 192.168.1.6 30
[r3-LoopBack0]ip a 3.3.3.3 24

AR4

[r4-GigabitEthernet0/0/0]ip a 192.168.1.13 30
[r4-GigabitEthernet0/0/1]ip a 192.168.1.10 30
[r4-GigabitEthernet0/0/2]ip a 192.168.1.21 30
[r4-GigabitEthernet4/0/0]ip a 192.168.1.17 30
[r4-LoopBack0]ip a 4.4.4.4 24

AR5

[isp-GigabitEthernet0/0/0]ip a 192.168.1.18 30
[isp-LoopBack0]ip a 5.5.5.5 24

AR6

[r6-GigabitEthernet0/0/0]ip a 192.168.1.22 30
[r6-GigabitEthernet0/0/1]ip a 192.168.1.25 30
[r6-LoopBack0]ip a 6.6.6.6 24

AR7

[r7-GigabitEthernet0/0/1]ip a 192.168.1.26 30
[r7-LoopBack0]ip a 7.7.7.7 24

2、 start-up RIP

AR1

[r1]rip 1
[r1-rip-1]v 2
[r1-rip-1]network 192.168.1.0
[r1-rip-1]network 172.16.0.0
[r1-rip-1]network 1.0.0.0

AR2

[r2]rip
[r2-rip-1]v 2
[r2-rip-1]network 192.168.1.0
[r2-rip-1]network 2.0.0.0

AR3

[r3]rip
[r3-rip-1]v 2
[r3-rip-1]network 192.168.1.0
[r3-rip-1]network 3.0.0.0

AR4

[r4]rip
[r4-rip-1]v 2
[r4-rip-1]network 192.168.1.0
[r4-rip-1]network 4.0.0.0

AR5

[isp]rip
[isp-rip-1]v 2
[isp-rip-1]network 192.168.1.0

AR6

[r6]rip
[r6-rip-1]v 1
[r6-rip-1]network 192.168.1.0
[r6-rip-1]network 6.0.0.0

AR7

[r7]rip
[r7-rip-1]v 1
[r7-rip-1]network 192.168.1.0
[r7-rip-1]network 7.0.0.0

3、AR5 Default and AR6 Interworking of

AR5

[isp-rip-1]default-route originate

AR6

[r6-GigabitEthernet0/0/0]rip version 2

4、AR1 Loopback summary and empty interface

AR1

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]rip summary-address 172.16.0.0 255.255.252.0
[r1-GigabitEthernet0/0/1]rip summary-address 172.16.0.0 255.255.252.0
[r1]ip route-static 172.16.0.0 22 NULL 0

5、R3 Grab traffic and modify the cost value

AR3

[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.0.0 0
[r3-acl-basic-2000]rule permit source 1.1.1.0 0
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]rip metricin 2000 10

6、R1 and R2 Manual certification

AR1

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]rip authentication-mode simple cipher 123456

AR2

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]rip authentication-mode simple cipher 123456

7、R6、R7 The router cannot learn to reach R1 Loopback routing configuration

[r6]acl 2000
[r6-acl-basic-2000]rule deny source 172.16.0.0 0
[r6-acl-basic-2000]rule deny source 1.1.1.0 0
[r6-acl-basic-2000]rule permit source any
[r6-rip-1]filter-policy 2000 import

8、R7 Upper opening telnet And R2 On nat mapping

AR7

[r7]aaa
[r7-aaa]local-user xujialong privilege level 15 password cipher 123456
[r7-aaa]local-user xujialong service-type telnet
[r7]user-interface vty 0 4
[r7-ui-vty0-4]authentication-mode aaa

AR2

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]nat server protocol tcp global interface loopback 0 23
inside 7.7.7.7 23
Are you sure to continue?[Y/N]:y

9、 Yes R2 and R4 Change the transmission direction of the packet

AR2

[r2]acl 2000
[r2-acl-basic-2000]rule permit source 7.0.0.0 0
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]rip metricin 2000 10

AR4
[r4]acl 2000
[r4-acl-basic-2000]rule permit source 192.168.1.0 0
[r4]int g 0/0/1
[r4-GigabitEthernet0/0/1]rip metricin 2000 10

Experimental verification

Route entry
R1

R2

R3

R4

R5

R6

R7

R3 Use R2 visit R1 Loopback
R3RIP Routing table

R5 default

R1 telnet R2 Loopback actual telnet To R7

Network wide accessibility
R1ping R5 and R7