思科交换机BGP配置

拓扑图后期添加

 

交换机A配置：

Console#show running-config
Building running configuration. Please wait...
!
!
vlan database
 VLAN 1 name DefaultVlan media ethernet
 vlan 10,30,100 media ethernet
！
interface ethernet 1/1
 switchport allowed vlan add 10 untagged
 switchport mode trunk
 switchport native vlan 10
 switchport allowed vlan remove 1
!
interface ethernet 1/2
 switchport allowed vlan add 100 untagged
 switchport mode trunk
 switchport native vlan 100
 switchport allowed vlan remove 1
!
!
!
!
interface vlan 1
 ip address dhcp
!
interface vlan 10
 ip address 10.3.1.2 255.255.255.0
!
interface vlan 100
 ip address 192.168.111.2 255.255.255.0
!
!
router rip
 version 2
!
router bgp 65008
 bgp router-id 10.1.1.1
 redistribute connected
 neighbor 10.3.1.1 remote-as 65009
!
ip domain-lookup

！
interface vlan 1
!
interface vlan 10
!
interface vlan 100
!

交换机B配置

Console#show running-config
Building running configuration. Please wait...
!
vlan database
 VLAN 1 name DefaultVlan media ethernet
 vlan 2-3,10,20 media ethernet
!
!
interface ethernet 1/1
 switchport allowed vlan add 10 untagged
 switchport mode trunk
 switchport native vlan 10
 switchport allowed vlan remove 1
!
interface ethernet 1/2
 switchport allowed vlan add 20 untagged
 switchport mode trunk
 switchport native vlan 20
 switchport allowed vlan add 1 tagged
!
interface loopback 0
 ip address 2.2.2.2 255.255.255.0
!
interface vlan 1
 ip address dhcp
!
interface vlan 2
!
interface vlan 10
 ip address 10.3.1.1 255.255.255.0
!
interface vlan 20
 ip address 10.9.1.1 255.255.255.0
!
!
!
router bgp 65009
 network 10.3.1.0 255.255.255.0
 network 10.9.1.0 255.255.255.0
 redistribute ospf
 neighbor 10.3.1.2 remote-as 65008
 neighbor 10.9.1.2 remote-as 65009
!
!
ip domain-lookup
!
!
interface vlan 1
!
interface vlan 2
!
interface vlan 10
!
interface vlan 20
!



交换机C配置

Console#show running-config
Building running configuration. Please wait...
!
vlan database
 VLAN 1 name DefaultVlan media ethernet
 vlan 20,40 media ethernet
!
interface ethernet 1/1
 switchport mode trunk
!
interface ethernet 1/2
 switchport allowed vlan add 20 untagged
 switchport mode trunk
 switchport native vlan 20
 switchport allowed vlan remove 1
!
!
!
interface loopback 0
 ip address 3.3.3.3 255.255.255.0
!
interface vlan 1
 ip address dhcp
!
interface vlan 20
 ip address 10.9.1.2 255.255.255.0
!
!
!
router ospf 1
 router-id 10.3.3.3
 area 1 range 0.0.0.0 0.0.0.0
 network 10.9.1.0 255.255.255.0 area 0
!
router bgp 65009
 network 10.9.1.0 255.255.255.0
 redistribute connected metric 10
 redistribute ospf
 neighbor 10.9.1.1 remote-as 65009
!