Huawei equipment configuration ospf-bgp linkage

1. Configure the interfaces VLAN
   [LSW1]vlan batch 12 13
   [LSW1-GigabitEthernet0/0/2]port link-type trunk
   [LSW1-GigabitEthernet0/0/2]port trunk allow-pass vlan 12
   [LSW1-GigabitEthernet0/0/3]port link-type trunk
   [LSW1-GigabitEthernet0/0/3]port trunk allow-pass vlan 13
   [LSW2]vlan batch 12 24
   [LSW2-GigabitEthernet0/0/1]port link-type trunk
   [LSW2-GigabitEthernet0/0/1]port trunk allow-pass vlan 12
   [LSW2-GigabitEthernet0/0/4]port link-type trunk
   [LSW2-GigabitEthernet0/0/4]port trunk allow-pass vlan 24
   [LSW3]vlan batch 13 34
   [LSW3-GigabitEthernet0/0/1]port link-type trunk
   [LSW3-GigabitEthernet0/0/1]port trunk allow-pass vlan 13
   [LSW3-GigabitEthernet0/0/4]port link-type trunk
   [LSW3-GigabitEthernet0/0/4]port trunk allow-pass vlan 34
   [LSW4]vlan batch 24 34 45
   [LSW4-GigabitEthernet0/0/2]port link-type trunk
   [LSW4-GigabitEthernet0/0/2]port trunk allow-pass vlan 24
   [LSW4-GigabitEthernet0/0/3]port link-type trunk
   [LSW4-GigabitEthernet0/0/3]port trunk allow-pass vlan 34
   [LSW4-GigabitEthernet0/0/1]port link-type trunk
   [LSW4-GigabitEthernet0/0/1]port trunk allow-pass vlan 45
   [LSW5]vlan batch 10 45
   [LSW5-GigabitEthernet0/0/1]port link-type trunk
   [LSW5-GigabitEthernet0/0/1]port trunk allow-pass vlan 45
   [LSW5-GigabitEthernet0/0/2]port link-type trunk
   [LSW5-GigabitEthernet0/0/2]port trunk allow-pass vlan 10
2. Configure the IP Address
   [LSW1-Vlanif12]ip add 10.1.12.1 24
   [LSW1-Vlanif13]ip add 10.1.13.1 24
   [LSW1]int LoopBack 0
   [LSW1-LoopBack0]ip add 10.1.1.1 32
   [LSW2-Vlanif12]ip add 10.1.12.2 24
   [LSW2-Vlanif24]ip add 10.1.24.2 24
   [LSW2]int LoopBack 0
   [LSW2-LoopBack0]ip add 10.2.2.2 32
   [LSW3-Vlanif13]ip add 10.1.13.3 24
   [LSW3-Vlanif34]ip add 10.1.34.3 24
   [LSW3]int LoopBack 0
   [LSW3-LoopBack0]ip add 10.3.3.3 32
   [LSW4-Vlanif24]ip add 10.1.24.4 24
   [LSW4-Vlanif34]ip add 10.1.34.4 24
   [LSW4-Vlanif45]ip add 10.1.45.4 24
   [LSW4]int LoopBack 0
   [LSW4-LoopBack0]ip add 10.4.4.4 32
   [LSW5-Vlanif45]ip add 10.1.45.5 24
   [LSW5-Vlanif10]ip add 10.2.10.5 24
   [LSW5]int LoopBack 0
   [LSW5-LoopBack0]ip add 10.5.5.5 32
3. To configure OSPF Basic functions of
   [LSW1]ospf 1 router-id 10.1.1.1
   [LSW1-ospf-1]area 0
   [LSW1-ospf-1-area-0.0.0.0]network 10.1.12.0 0.0.0.255
   [LSW1-ospf-1-area-0.0.0.0]network 10.1.13.0 0.0.0.255
   [LSW1-ospf-1-area-0.0.0.0]network 10.1.1.1 0.0.0.0
   [LSW2]ospf 1 router-id 10.2.2.2
   [LSW2-ospf-1]area 0
   [LSW2-ospf-1-area-0.0.0.0]network 10.1.12.0 0.0.0.255
   [LSW2-ospf-1-area-0.0.0.0]network 10.1.24.0 0.0.0.255
   [LSW2-ospf-1-area-0.0.0.0]network 10.2.2.2 0.0.0.0
   [LSW3]ospf 1 router-id 10.3.3.3
   [LSW3-ospf-1]area 0
   [LSW3-ospf-1-area-0.0.0.0]network 10.1.13.0 0.0.0.255
   [LSW3-ospf-1-area-0.0.0.0]network 10.1.34.0 0.0.0.255
   [LSW3-ospf-1-area-0.0.0.0]network 10.3.3.3 0.0.0.0
   [LSW4]ospf 1 router-id 10.4.4.4
   [LSW4-ospf-1]area 0
   [LSW4-ospf-1-area-0.0.0.0]network 10.1.34.0 0.0.0.255
   [LSW4-ospf-1-area-0.0.0.0]network 10.1.24.0 0.0.0.255
   [LSW4-ospf-1-area-0.0.0.0]network 10.4.4.4 0.0.0.0
4. To configure IBGP Full connection
   [LSW1]bgp 10
   [LSW1-bgp]peer 10.2.2.2 as-number 10
   [LSW1-bgp]peer 10.2.2.2 connect-interface LoopBack 0
   [LSW1-bgp]peer 10.3.3.3 as-number 10
   [LSW1-bgp]peer 10.3.3.3 connect-interface LoopBack 0
   [LSW1-bgp]peer 10.4.4.4 as-number 10
   [LSW1-bgp]peer 10.4.4.4 connect-interface LoopBack 0
   [LSW2]bgp 10
   [LSW2-bgp]peer 10.1.1.1 as-number 10
   [LSW2-bgp]peer 10.1.1.1 connect-interface LoopBack 0
   [LSW2-bgp]peer 10.3.3.3 as-number 10
   [LSW2-bgp]peer 10.3.3.3 connect-interface LoopBack 0
   [LSW2-bgp]peer 10.4.4.4 as-number 10
   [LSW2-bgp]peer 10.4.4.4 connect-interface LoopBack 0
   [LSW3]bgp 10
   [LSW3-bgp]peer 10.1.1.1 as-number 10
   [LSW3-bgp]peer 10.1.1.1 connect-interface LoopBack 0
   [LSW3-bgp]peer 10.2.2.2 as-number 10
   [LSW3-bgp]peer 10.2.2.2 connect-interface LoopBack 0 [LSW3-bgp]peer 10.4.4.4 as-number 10
   [LSW3-bgp]peer 10.4.4.4 connect-interface LoopBack 0
   [LSW4]bgp 10
   [LSW4-bgp]peer 10.1.1.1 as-number 10
   [LSW4-bgp]peer 10.1.1.1 connect-interface LoopBack 0
   [LSW4-bgp]peer 10.2.2.2 as-number 10
   [LSW4-bgp]peer 10.2.2.2 connect-interface LoopBack 0
   [LSW4-bgp]peer 10.3.3.3 as-number 10
   [LSW4-bgp]peer 10.3.3.3 connect-interface LoopBack 0
5. To configure EBGP Connect
   [LSW4]bgp 10
   [LSW4-bgp]peer 10.1.45.5 as-number 20
   [LSW4-bgp]import-route direct
   [LSW4-bgp]import-route ospf 1
   [LSW5]bgp 20
   [LSW5-bgp]router-id 10.5.5.5
   [LSW5-bgp]peer 10.1.45.4 as-number 10
   [LSW5-bgp]ipv4-family unicast
   [LSW5-bgp-af-ipv4]network 10.2.10.0 24
6. To configure LSW2 On OSPF The cost value of the protocol
   [LSW2]int Vlanif 12
   [LSW2-Vlanif12]ospf cost 2
   [LSW2]int Vlanif 24
   [LSW2-Vlanif24]ospf cost 2
   
   

As you can see from the routing table ,LSW3 adopt BGP The protocol can learn the target network segment 10.2.10.0 The routing , The exit interface is Vlanif34; adopt OSPF The protocol can learn the target network segment 10.1.12.0 and 10.1.24.0 The routing , Routing overhead is 2
7. stay LSW3 On the configuration OSPF-BGP Linkage function
[LSW3]ospf 1
[LSW3-ospf-1]stub-router on-startup
8. Check the configuration ： preservation 、 restart LSW3

It can be seen that , adopt BGP The protocol can learn the target network segment 10.2.10.0 The routing , The output interface becomes Vlanif12