MGRE experiment

 

 

 

One 、 Complete question 1 , by R1-R5 To configure IP Address ：

[r1] int Serial 4/0/0
[r1-Serial4/0/0] ip address 15.0.0.1 24
[r1-Serial4/0/0] int g 0/0/0
[r1-GigabitEthernet0/0/0] ip address 192.168.1.1 24

[r2] int s 4/0/0
[r2-Serial4/0/0] ip address 25.0.0.1 24
[r2-Serial4/0/0] int g 0/0/0
[r2-GigabitEthernet0/0/0] ip address 192.168.2.1 24

[r3] int g 0/0/0
[r3-GigabitEthernet0/0/0] ip address 192.168.3.1 24
[r3-GigabitEthernet0/0/0] int s 4/0/0
[r3-Serial4/0/0] ip address 35.0.0.1 24

[r4] int g 0/0/0
[r4-GigabitEthernet0/0/0] ip address 45.0.0.1 24
[r4-GigabitEthernet0/0/0] int g 0/0/1
[r4-GigabitEthernet0/0/1] ip address 192.168.4.1 24

[isp] int s 3/0/0
[isp-Serial3/0/0] ip address 15.0.0.2 24
[isp-Serial3/0/0] int s 3/0/1
[isp-Serial3/0/1] ip address 25.0.0.2 24
[isp-Serial3/0/1] int s 4/0/0
[isp-Serial4/0/0] ip address 35.0.0.2 24
[isp-Serial4/0/0] int g 0/0/0
[isp-GigabitEthernet0/0/0] ip address 45.0.0.2 24
[isp-GigabitEthernet0/0/0] q
[isp] int l0
[isp-LoopBack0] ip address 5.5.5.5 24

Two 、 Make all private networks accessible throughout the network ：

[r1] ip route-static 0.0.0.0 0 15.0.0.2

[r2] ip route-static 0.0.0.0 0 25.0.0.2

[r3] ip route-static 0.0.0.0 0 35.0.0.2

[r4] ip route-static 0.0.0.0 0 45.0.0.2

3、 ... and 、R1 and R5 Used between ppp Of PAP authentication ,R5 Main certifier ： 

 Certifier ：
[isp] aaa
[isp-aaa] local-user admin password cipher 123456    --- Create user information 
[isp-aaa] local-user admin service-type ppp          --- Set service type 
[isp-aaa] q
[isp] interface Serial 3/0/0	
[isp-Serial3/0/0] ppp authentication-mode pap        --- Configure authentication mode 

[r1] int Serial 4/0/0
[r1-Serial4/0/0] ppp pap local-user admin password cipher 123456   --- Send user name and password 
[r1-Serial4/0/0] shutdown             ---- Check whether the certification is successful 
[r1-Serial4/0/0] undo shutdown 

Four 、 R2 and R5 Used between ppp Of chap authentication ,R5 Main certifier ：

[isp] int s 3/0/1	
[isp-Serial3/0/1] ppp authentication-mode chap     --- Set service type 

[r2] interface Serial 4/0/0
[r2-Serial4/0/0] ppp chap user admin
[r2-Serial4/0/0] ppp chap password cipher 123456
[r2-Serial4/0/0] q
[r2] int s 4/0/0
[r2-Serial4/0/0] shutdown        --- Check whether the certification is successful 
[r2-Serial4/0/0] undo shutdown 

5、 ... and 、 R3 and R5 Used between HDLC encapsulation ：

[r3] int s 4/0/0
[r3-Serial4/0/0] link-protocol hdlc     --- Modify the layer 2 protocol type 
Warning: The encapsulation protocol of the link will be changed. Continue? [Y/N]
:y

[isp] interface Serial 4/0/0
[isp-Serial4/0/0] link-protocol hdlc     --- Modify the layer 2 protocol type 
Warning: The encapsulation protocol of the link will be changed. Continue? [Y/N]
:y

  6、 ... and 、R1/R2/R3 Construct a MGRE Environmental Science ,R1 For the central site ：

 Configuration of the center ：
[r1] interface Tunnel 0/0/0                         --- Create a tunnel interface 
[r1-Tunnel0/0/0] ip address 192.168.5.1 24          --- Interface configuration IP Address 	
[r1-Tunnel0/0/0] tunnel-protocol gre p2mp           --- Define encapsulation method 
[r1-Tunnel0/0/0] source 15.0.0.1                    --- Define the content of the package 
Jul 12 2022 15:45:07-08:00 r1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/0 has entered the UP state. 
[r1-Tunnel0/0/0] nhrp network-id 100                --- establish NHRP Domain 
[r1-Tunnel0/0/0] nhrp entry multicast dynamic       --- Enable pseudo broadcast 

 Configuration of branches ：
[r2] interface Tunnel 0/0/0                          --- Create a tunnel interface 
[r2-Tunnel0/0/0] ip address 192.168.5.2 24           --- Interface configuration IP Address 
[r2-Tunnel0/0/0] tunnel-protocol gre p2mp            --- Define encapsulation method  
[r2-Tunnel0/0/0] source Serial 4/0/0                 --- Define the content of the package 
Jul 12 2022 15:51:33-08:00 r2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/0 has entered the UP state. 
[r2-Tunnel0/0/0] nhrp network-id 100                 --- Join the center to create nhrp in 
[r2-Tunnel0/0/0] nhrp entry  192.168.5.1 15.0.0.1 register    --- Report information to the center 

 Configuration of branches ：
[r3] interface Tunnel 0/0/0
[r3-Tunnel0/0/0] ip address 192.168.5.3 24	
[r3-Tunnel0/0/0] tunnel-protocol gre p2mp 	
[r3-Tunnel0/0/0] source Serial 4/0/0
Jul 12 2022 15:55:06-08:00 r3 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/0 has entered the UP state. 
[r3-Tunnel0/0/0] nhrp network-id 100
[r3-Tunnel0/0/0] nhrp entry 192.168.5.1 15.0.0.1 register

7、 ... and 、R1\R4 From point to point GRE： 

[r1] interface Tunnel 0/0/1                              --- Create a tunnel interface 
[r1-Tunnel0/0/1] ip address 192.168.6.1 24               --- Interface configuration IP Address 
[r1-Tunnel0/0/1] tunnel-protocol gre                     --- Define encapsulation method 
[r1-Tunnel0/0/1] source 15.0.0.1                         --- Define the content of the package 
[r1-Tunnel0/0/1] destination 45.0.0.1
Jul 12 2022 15:58:34-08:00 r1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/1 has entered the UP state. 

[r4] interface Tunnel 0/0/0
[r4-Tunnel0/0/0] ip address 192.168.6.2 24
[r4-Tunnel0/0/0] tunnel-protocol gre
[r4-Tunnel0/0/0] source 45.0.0.1
[r4-Tunnel0/0/0] destination 15.0.0.1
Jul 12 2022 16:00:54-08:00 r4 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface Tunnel0/0/0 has entered the UP state. 

8、 ... and 、 The entire private network is based on RIP Network wide accessibility ： 

[r1] rip
[r1-rip-1] version 2
[r1-rip-1] network 192.168.1.0
[r1-rip-1] network 192.168.5.0
[r1-rip-1] network 192.168.6.0

[r2] rip
[r2-rip-1] version 2
[r2-rip-1] network 192.168.5.0
[r2-rip-1] network 192.168.2.0

[r3] rip
[r3-rip-1] version 2
[r3-rip-1] network 192.168.5.0	
[r3-rip-1] network 192.168.3.0

[r4] rip
[r4-rip-1] version 2
[r4-rip-1] network 192.168.4.0
[r4-rip-1] network 192.168.6.0

[r1] interface Tunnel 0/0/0
[r1-Tunnel0/0/0] undo rip split-horizon                --- close rip Horizontal segmentation 

  Nine 、 all PC Set up private IP As source IP, You can visit R5 Loopback ：

 

 

 

[r1] acl 2000             
[r1-acl-basic-2000] rule permit source 192.168.0.0 0.0.255.255   --- Use acl List grab energy 
[r1-acl-basic-2000] q
[r1] interface Serial 4/0/0
[r1-Serial4/0/0] nat outbound 2000

 

[r2] acl 2000
[r2-acl-basic-2000] rule permit source 192.168.0.0 0.0.255.255
[r2-acl-basic-2000] q
[r2] int Serial 4/0/0
[r2-Serial4/0/0] nat outbound 2000

[r3] acl 2000
[r3-acl-basic-2000] rule permit source 192.168.0.0 0.0.255.255
[r3-acl-basic-2000] q
[r3] int Serial 4/0/0
[r3-Serial4/0/0] nat outbound 2000

[r4] acl 2000
[r4-acl-basic-2000] rule permit source 192.168.0.0 0.0.255.255
[r4-acl-basic-2000] q
[r4] int GigabitEthernet 0/0/0
[r4-GigabitEthernet0/0/0] nat outbound 2000