Ipv6-6to4 experiment

The experimental requirements

The experimental steps

1.IP planning

Because the title is not specific IP planning , So for the convenience of routing summary, I plan the address as follows .

 Public network part 
23.1.1.0 24
34.1.1.0 24
3.3.3.3  24

IPV4/V6 part 
IPV4 part 
192.168.1.0 25  Two loops 
192.168.0.0 30  Backbone links 
192.168.2.1 24 AR The loopback of 
IPV6 part 
 Because the title requires 6to4tunnel, So pass ipv4 Address conversion generation .
23.1.1.1  turn 16 Into the system for 
0001 0111 0000 0001 0000 0001 0000 0001 
1701:0101  Finally, fill in 2002 And prefix generation ipv6 Address 
2002:1701:0101::/48
 borrow 16 position 
2002:1701:0101:0000::64——2002:1701:0101:FFFF::64
 Because there are two loopbacks, another bit is allocated to loopback 
2002:1701:0101:0000:0000 0000 0000 0000::/65
2002:1701:0101:1000:0000 0000 0000 0000::/65
 It is reduced to 
2002:1701:101::/65
2002:1701:101:0:8000::/65

 On the right IPV6 part 
 adopt IPV4 Address 34.1.1.2  Make a conversion 
2002:2201:0102::/48
 Borrow one 
2002:2201:0102::/49 AS1
 Borrow again 16 position 
2002:2201:0102::/64——2002:2201:0102:7FFF::/64

2002:2201:0102:8000::/49 AS2
 Borrow again 16 position 
2002:2201:0102:8000::/64——2002:2201:0102:FFFF::/64

After planning, the topology is shown in the figure

2. Configure the public network part

First of all, it is necessary to realize the whole network accessibility of the public network
With AR2 For example

[r2]int g0/0/1
[r2-GigabitEthernet0/0/1]ip address 23.1.1.1 255.255.255.0 
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip address 192.168.0.2 30
[r2]int lo0
[r2-LoopBack0]ip address 192.168.2.1 255.255.255.0 

Use ospf The protocol can reach the whole network , With AR3 For example

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network 34.1.1.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0

Test connectivity

3. To configure IPV4/V6 part

IPV4 part

[r1]int lo0
[r1-LoopBack0]ip address 192.168.1.1 25
[r1]int lo1
[r1-LoopBack0]ip address 192.168.1.129 25

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip address 192.168.0.1 30

Use rip The protocol can reach the whole network

[r1]rip 1
[r1-rip-1]undo summary
[r1-rip-1] version 2
[r1-rip-1]network 192.168.1.0
[r1-rip-1]network 192.168.0.0

Aggregate routing

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]rip summary-address 192.168.1.0 255.255.255.0

Set the air interface anti ring

[r1]ip route-static 192.168.1.0 24 NULL 0

stay AR2 Yes AR1 Send a default

[r2]rip 1
[r2-rip-1]default-route originate 

Use ACL send AR1 I can surf the Internet normally

[r2]acl 2000
[r2-acl-basic-2000]rule permit source 192.168.0.0 0.0.255.255
[r2-acl-basic-2000]int g0/0/0
[r2-GigabitEthernet0/0/1]nat outbound 2000

Test connectivity

IPV6 part

[r1]ipv6 
[r1]int lo0
[r1-LoopBack0]ipv6 enable 
[r1-LoopBack0]ipv6 address 2002:1701:101::1 65

[r1-LoopBack0]int lo1
[r1-LoopBack1]ipv6 enable 
[r1-LoopBack1]ipv6 address 2002:1701:101:0:8000::1 65

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ipv6 enable 
[r1-GigabitEthernet0/0/0]ipv6 address 2002:1701:0101:1::1 64

Use RIPNG The whole network can reach

[r1]ripng 1
[r1-ripng-1]int lo0
[r1-LoopBack0]ripng 1 enable 
[r1-LoopBack0]int lo1
[r1-LoopBack1]ripng 1 enable 
[r1-LoopBack1]int g0/0/0
[r1-GigabitEthernet0/0/0]ripng 1 enable 

After configuration, you can use display ipv6 routing-table protocol ripng Command view

Aggregate routing

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]rip	
[r1-GigabitEthernet0/0/0]ripng summary-address 2002:1701:101:: 64

Set the air interface anti ring

[r1]ip route-static 2002:1701:0101:0000::64 NULL 0

stay AR2 Yes AR1 Send a default
Use ipv6 The default time of sending is The interface between the border router and the intranet On the configuration

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ripng default-route only

To configure 6to4tunnel

[r2]int Tunnel 0/0/0
[r2-Tunnel0/0/0]ipv6 enable 
[r2-Tunnel0/0/0]ipv6 address 2002:1701:0101:3::1 64
[r2-Tunnel0/0/0]tunnel-protocol ipv6-ipv4 6to4 
[r2-Tunnel0/0/0]source 23.1.1.1
 notes : To configure tunnel Pay attention to the use of conversion ipv6 Address of the ipv4 Address 

[r2]ipv6 route-static 2002:: 16 Tunnel 0/0/0
 Set up exits 

4. To configure IPV6 part

Configure the basic part
AS1 in

[r4]ipv6 
[r4]int lo0
[r4-LoopBack0]ipv6 address 2002:2201:0102::1 64
[r4]int g0/0/1
[r4-GigabitEthernet0/0/1]ipv6 enable 
[r4-GigabitEthernet0/0/1]ipv6 address 2002:2201:0102:1::1 64

AS2 China and Israel AR5 For example

[r5]ipv6 
[r5]int lo0
[r5-LoopBack0]ipv6 address 2002:2201:102:8000::1
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ipv6 enable 
[r5-GigabitEthernet0/0/0]ipv6 address 2002:2201:102:1::2
[r5]int g0/0/1
[r5-GigabitEthernet0/0/1]ipv6 enable 
[r5-GigabitEthernet0/0/1]ipv6 address 2002:2201:102:8001::1

OSPFv3 part

Use ospfv3 Realization AS2 Network wide accessibility
With AR5 For example

[r5]ospfv3 1	
[r5-ospfv3-1]router-id 5.5.5.5
[r5-ospfv3-1]int lo0
[r5-LoopBack0]ospfv3 1 area 0
[r5-LoopBack0]int g0/0/1
[r5-GigabitEthernet0/0/1]ospfv3 1 area 0

After configuring all routers, you can use display ospfv3 peer Command to view neighbors

BGP part

AR4 And AR5 Configuration between EBGP Neighborhood

[r4]bgp 1 
[r4-bgp]router-id 4.4.4.4
[r4-bgp]peer 2002:2201:102:1::2 as-number 2
[r4-bgp]ipv6-family
[r4-bgp-af-ipv6]peer 2002:2201:102:1::2 enable 

[r5]bgp 64512
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 2
[r5-bgp]peer 2002:2201:102:1::1 as-number 1
[r5-bgp]ipv6-family
[r5-bgp-af-ipv6]peer 2002:2201:102:1::1 enable 

In the configuration AR5-AR8 Router bgp Neighbor time , Because you need to use loopback to establish neighbors , But their loopback address is more complex , In order to facilitate future management , We can use private addresses as loopback addresses to establish neighbors .

[r5]int lo0
[r5-LoopBack0]ipv6 address 5::5 64
[r6]int lo0
[r6-LoopBack0]ipv6 address 6::6 64
[r7]int lo0
[r7-LoopBack0]ipv6 address 7::7 64
[r8]int lo0
[r8-LoopBack0]ipv6 address 8::8 64

establish IBGP neighbor
With AR5 And AR7 For example

[r5]bgp 64512
[r5-bgp]peer 6::6 as-number 64512
[r5-bgp]peer 6::6 connect-interface LoopBack 0 5::5
 notes : If you do not add a loopback address after the loopback interface, the neighbor will be established with the default first loopback address 
[r5-bgp]ipv6-family
[r5-bgp-af-ipv6]peer 6::6 enable

[r7]bgp 64512
[r7-bgp]router-id 7.7.7.7
[r7-bgp]confederation id 2
[r7-bgp]confederation peer-as 64513
[r7-bgp]peer 6::6 as-number 64512
[r7-bgp]peer 6::6 connect-interface LoopBack 0 7::7
[r7-bgp]peer 8::8 as-number 64513
[r7-bgp]peer 8::8 connect-interface LoopBack 0 7::7
[r7-bgp]peer 8::8 ebgp-max-hop 2
[r7-bgp]ipv6-family 
[r7-bgp-af-ipv6]peer 6::6 enable 
[r7-bgp-af-ipv6]peer 8::8 enable 

Realization AS1 And AS2 The whole network can reach , And excellent

[r4]bgp 1
 notes : stay ipv6 in ,bgp The announcement must be made in ipv6 In the family model 
[r4-bgp]ipv6-family
[r4-bgp-af-ipv6]network 2002:: 16

Summary AS2 The routing

[r5]ipv6 route-static 2002:2201:0102:8000:: 49 NULL 0
[r5]bgp 64512
 notes : stay ipv6 in ,bgp The announcement must be made in ipv6 In the family model 
[r5-bgp]ipv6-family 
[r5-bgp-af-ipv6]network 2002:2201:0102:8000:: 49

[r5]bgp 64512
[r5-bgp]ipv6-family
[r5-bgp-af-ipv6]peer 6::6 next-hop-local 
 Modify the next jump 

[r6]bgp 64512
[r6-bgp]ipv6-family
[r6-bgp-af-ipv6]peer 7::7 reflect-client 
 Set the reflector 

To configure 6to4tunnel

[r4]int Tunnel 0/0/0
[r4-Tunnel0/0/0]ipv6 enable 
[r4-Tunnel0/0/0]ipv6 address 2002:2201:0101:2::1 64
[r4-Tunnel0/0/0]tunnel-protocol ipv6-ipv4 6to4 
[r4-Tunnel0/0/0]source 34.1.1.2
 notes : To configure tunnel Pay attention to the use of conversion ipv6 Address of the ipv4 Address 

[r4]ipv6 route-static 2002:: 16 Tunnel 0/0/0

Test connectivity

Use AR1pingAS2 Loopback in