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Figure 84 Network diagram
Configuration procedure
1. Configure IPv6 addresses for interfaces. (Details not shown.)
2. Establish an IBGP connection between Switch A and Switch B:
# Configure Switch A.
<SwitchA> system-view
[SwitchA] bgp 65008
[SwitchA-bgp-default] router-id 1.1.1.1
[SwitchA-bgp-default] group ibgp internal
[SwitchA-bgp-default] peer 1::2 group ibgp
[SwitchA-bgp-default] address-family ipv6 unicast
[SwitchA-bgp-default-ipv6] peer ibgp enable
[SwitchA-bgp-default-ipv6] quit
[SwitchA-bgp-default] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] bgp 65008
[SwitchB-bgp-default] router-id 2.2.2.2
[SwitchB-bgp-default] group ibgp internal
[SwitchB-bgp-default] peer 1::1 group ibgp
[SwitchB-bgp-default] address-family ipv6 unicast
[SwitchB-bgp-default-ipv6] peer ibgp enable
[SwitchB-bgp-default-ipv6] quit
3. Establish an EBGP connection between Switch B and Switch C:
# Configure Switch C.
<SwitchC> system-view
[SwitchC] bgp 65009
[SwitchC-bgp-default] router-id 3.3.3.3
[SwitchC-bgp-default] group ebgp external
[SwitchC-bgp-default] peer 3::1 as-number 65008
[SwitchC-bgp-default] peer 3::1 group ebgp
[SwitchC-bgp-default] address-family ipv6 unicast
[SwitchC-bgp-default-ipv6] peer ebgp enable
[SwitchC-bgp-default-ipv6] quit
[SwitchC-bgp-default] quit
# Configure Switch B.
[SwitchB-bgp-default] group ebgp external
[SwitchB-bgp-default] peer 3::2 as-number 65009
[SwitchB-bgp-default] peer 3::2 group ebgp
[SwitchB-bgp-default] address-family ipv6 unicast
[SwitchB-bgp-default-ipv6] peer ebgp enable
AS 65009
AS 65008
Vlan-int100
1::2/64
Vlan-int200
3::2/64
Vlan-int200
3::1/64
Vlan-int100
1::1/64
Switch A
Switch B
Switch C