Experiment 6 BGP federal comprehensive experiment

Catalog

 1. with IP Address

2. Configure the routing BGP IGP agreement

 3. Publish route

 4. polymerization , Publish private network route

 5. To configure VPN

  1. with IP Address

[r1]int l0
[r1-LoopBack0]ip address 192.168.1.1 24
[r1-LoopBack0]int l1
[r1-LoopBack1]ip address 10.0.0.1 24
[r1-LoopBack1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip address 12.0.0.1 24

[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip address 12.0.0.2 24
[r2-GigabitEthernet0/0/0]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip address 172.16.1.1 29
[r2-GigabitEthernet0/0/1]int g 0/0/2
[r2-GigabitEthernet0/0/2]ip address 172.16.1.9 29
[r2-GigabitEthernet0/0/2]int l0
[r2-LoopBack0]ip address 172.16.2.1 24

[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip address 172.16.1.2 29
[r3-GigabitEthernet0/0/0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip address 172.16.1.17 29
[r3-GigabitEthernet0/0/1]int l0
[r3-LoopBack0]ip address 172.16.3.1 24
 

[r4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip address 172.16.1.18 29
[r4-GigabitEthernet0/0/0]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip address 172.16.1.25 29
[r4-GigabitEthernet0/0/1]int l0
[r4-LoopBack0]ip address 172.16.4.1 24
 

[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip address 172.16.1.10 29
[r5-GigabitEthernet0/0/0]int g 0/0/1
[r5-GigabitEthernet0/0/1]ip address 172.16.1.33 29
[r5-GigabitEthernet0/0/1]int l0
[r5-LoopBack0]ip address 172.16.5.1 24
 

[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip address 172.16.1.34 29
[r6-GigabitEthernet0/0/0]int g 0/0/1
[r6-GigabitEthernet0/0/1]ip address 172.16.1.41 29
[r6-GigabitEthernet0/0/1]int l0
[r6-LoopBack0]ip address 172.16.6.1 24

[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip address 172.16.1.42 29
[r7-GigabitEthernet0/0/0]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip address 172.16.1.26 29
[r7-GigabitEthernet0/0/1]int l0
[r7-LoopBack0]ip address 172.16.7.1 24
[r7-LoopBack0]int g 0/0/2
[r7-GigabitEthernet0/0/2]ip address 78.0.0.1 24
 

[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip address 78.0.0.2 24
[r8-GigabitEthernet0/0/0]int l0
[r8-LoopBack0]ip address 192.168.2.1 24
[r8-LoopBack0]int l1
[r8-LoopBack1]ip address 11.0.0.1 24

2. Configure the routing BGP IGP agreement

① To configure IGP agreement (R2-R3-R4-R5-R6-R7 The configuration method is the same )

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255

display ip routing-table protocol ospf

 ② To configure BGP agreement

[r1]bgp 1
[r1-bgp]router-id 1.1.1.1
[r1-bgp]peer 12.0.0.2 as-number 2
 

[r2]bgp 64512
[r2-bgp]router-id 2.2.2.2
[r2-bgp]confederation id 2 
[r2-bgp]confederation peer-as 64513
[r2-bgp]peer 12.0.0.1 as-number 1

[r2-bgp]peer 172.16.3.1 as-number 64512
[r2-bgp]peer 172.16.3.1 connect-interface LoopBack 0

[r2-bgp]peer 172.16.5.1 as-number 64513 
[r2-bgp]peer 172.16.5.1 connect-interface LoopBack 0
[r2-bgp]peer 172.16.5.1 ebgp-max-hop

[r3]bgp 64512
[r3-bgp]router-id 3.3.3.3
[r3-bgp]confederation id 2
[r3-bgp]peer 172.16.2.1 as-number 64512
[r3-bgp]peer 172.16.2.1 connect-interface LoopBack 0
[r3-bgp]peer 172.16.4.1 as 64512
[r3-bgp]peer 172.16.4.1 connect-interface LoopBack 0

[r4]bgp 64512
[r4-bgp]router-id 4.4.4.4
[r4-bgp]confederation id 2
[r4-bgp]confederation peer-as 64513
[r4-bgp]peer 172.16.3.1 as 64512
[r4-bgp]peer 172.16.3.1 connect-interface LoopBack 0
[r4-bgp]peer 172.16.7.1 as 64513
[r4-bgp]peer 172.16.7.1 connect-interface LoopBack 0
[r4-bgp]peer 172.16.7.1 ebgp-max-hop
 

[r5]bgp 64513
[r5-bgp]router-id 5.5.5.5
[r5-bgp]confederation id 2
[r5-bgp]confederation peer-as 64512
[r5-bgp]peer 172.16.2.1 as-number 64512
[r5-bgp]peer 172.16.2.1 connect-interface LoopBack 0
[r5-bgp]peer 172.16.2.1 ebgp-max-hop
[r5-bgp]peer 172.16.6.1 as-number 64513
[r5-bgp]peer 172.16.6.1 connect-interface LoopBack 0

[r6]bgp 64513
[r6-bgp]router-id 6.6.6.6
[r6-bgp]confederation id 2
[r6-bgp]peer 172.16.5.1 as 64513
[r6-bgp]peer 172.16.5.1 connect-interface LoopBack 0
[r6-bgp]peer 172.16.7.1 as 64513
[r6-bgp]peer 172.16.7.1 connect-interface LoopBack 0

[r7]bgp 64513
[r7-bgp]router-id 7.7.7.7    
[r7-bgp]confederation id 2 
[r7-bgp]confederation peer-as 64512
[r7-bgp]peer 172.16.6.1 as 64513  
[r7-bgp]peer 172.16.6.1 connect-interface LoopBack 0
[r7-bgp]peer 172.16.4.1 
[r7-bgp]peer 172.16.4.1 as 64512  
[r7-bgp]peer 172.16.4.1 connect-interface LoopBack 0
[r7-bgp]peer 172.16.4.1 ebgp-max-hop
[r7-bgp]peer 78.0.0.2 as 3

[r8]bgp 3
[r8-bgp]router-id 8.8.8.8
[r8-bgp]peer 78.0.0.1 as 2

 3. Publish route

[r1]bgp 1
[r1-bgp]network 10.0.0.0 24

[r2]bgp 64512
[r2-bgp]peer 172.16.3.1 next-hop-local 
[r2-bgp]peer 172.16.5.1 next-hop-local

  because IBGP Horizontal segmentation , take R3-R6 Configure as routing reflector RR

[r3]bgp 64512
[r3-bgp]peer 172.16.2.1 reflect-client 

[r6]bgp 64513 
[r6-bgp]peer 172.16.7.1 reflect-client 

 

 

  Be careful ： Two way configuration !

[r8]bgp 3
[r8-bgp]network 11.0.0.0 24

[r7]bgp 64513
[r7-bgp]peer 172.16.6.1 next-hop-local
[r7-bgp]peer 172.16.4.1 next-hop-local

 4. polymerization , Publish private network route

[r2]ip route-static 172.16.0.0 21 NULL 0
[r2]bgp 64512
[r2-bgp]network 172.16.0.0 21

[r7]ip route-static 172.16.0.0 21 NULL 0
[r7]bgp 64513
[r7-bgp]network 172.16.0.0 21

 5. To configure VPN

[r8]int t 0/0/0
[r8-Tunnel0/0/0]ip address 99.0.0.2 24
[r8-Tunnel0/0/0]tunnel-protocol gre
[r8-Tunnel0/0/0]source 11.0.0.1 
[r8-Tunnel0/0/0]destination 10.0.0.1

[r8-Tunnel0/0/0]ip route-static 192.168.1.0 24 99.0.0.1
 

[r1]int t 0/0/0
[r1-Tunnel0/0/0]ip address 99.0.0.1 24

[r1-Tunnel0/0/0]tunnel-protocol gre
[r1-Tunnel0/0/0]source 10.0.0.1
[r1-Tunnel0/0/0]destination 11.0.0.1

[r1-Tunnel0/0/0]ip route-static 192.168.2.0 24 99.0.0.2