337
Vlan-int500 10.1.4.1/24 Switch F Vlan-int100 200.1.1.2/24
Switch B Vlan-int200 10.1.1.2/24 Vlan-int600 9.1.1.1/24
Switch C Vlan-int300 10.1.2.2/24
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure BGP confederation:
# Configure Switch A.
<SwitchA> system-view
[SwitchA] bgp 65001
[SwitchA-bgp-default] router-id 1.1.1.1
[SwitchA-bgp-default] confederation id 200
[SwitchA-bgp-default] confederation peer-as 65002 65003
[SwitchA-bgp-default] peer 10.1.1.2 as-number 65002
[SwitchA-bgp-default] peer 10.1.2.2 as-number 65003
[SwitchA-bgp-default] address-family ipv4 unicast
[SwitchA-bgp-default-ipv4] peer 10.1.1.2 enable
[SwitchA-bgp-default-ipv4] peer 10.1.2.2 enable
[SwitchA-bgp-default-ipv4] peer 10.1.1.2 next-hop-local
[SwitchA-bgp-default-ipv4] peer 10.1.2.2 next-hop-local
[SwitchA-bgp-default-ipv4] quit
[SwitchA-bgp-default] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] bgp 65002
[SwitchB-bgp-default] router-id 2.2.2.2
[SwitchB-bgp-default] confederation id 200
[SwitchB-bgp-default] confederation peer-as 65001 65003
[SwitchB-bgp-default] peer 10.1.1.1 as-number 65001
[SwitchB-bgp-default] address-family ipv4 unicast
[SwitchB-bgp-default-ipv4] peer 10.1.1.1 enable
[SwitchB-bgp-default-ipv4] quit
[SwitchB-bgp-default] quit
# Configure Switch C.
<SwitchC> system-view
[SwitchC] bgp 65003
[SwitchC-bgp-default] router-id 3.3.3.3
[SwitchC-bgp-default] confederation id 200
[SwitchC-bgp-default] confederation peer-as 65001 65002
[SwitchC-bgp-default] peer 10.1.2.1 as-number 65001
[SwitchC-bgp-default] address-family ipv4 unicast
[SwitchC-bgp-default-ipv4] peer 10.1.2.1 enable
[SwitchC-bgp-default-ipv4] quit
[SwitchC-bgp-default] quit
3. Configure IBGP connections in AS 65001:
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