362
Figure 85 Network diagram
Configuration procedure
1. Configure IPv6 addresses for interfaces. (Details not shown.)
2. Configure OSPFv3 in AS 200 to ensure connectivity among Switch B, Switch C, and Switch D.
(Details not shown.)
3. Configure BGP connections:
# Configure Switch A to establish EBGP sessions to Switch B and Switch C, and advertise
network 1::/64.
<SwitchA> system-view
[SwitchA] bgp 100
[SwitchA] router-id 1.1.1.1
[SwitchA-bgp-default] peer 3001::2 as-number 200
[SwitchA-bgp-default] peer 2001::2 as-number 200
[SwitchA-bgp-default] address-family ipv6 unicast
[SwitchA-bgp-default-ipv6] peer 3001::2 enable
[SwitchA-bgp-default-ipv6] peer 2001::2 enable
[SwitchA-bgp-default-ipv6] network 1:: 64
[SwitchA-bgp-default-ipv6] quit
[SwitchA-bgp-default] quit
# Configure Switch B to establish an EBGP session to Switch A, and an IBGP session to Switch
D.
<SwitchB> system-view
[SwitchB] bgp 200
[SwitchB] router-id 2.2.2.2
[SwitchB-bgp-default] peer 3001::1 as-number 100
[SwitchB-bgp-default] peer 3002::2 as-number 200
[SwitchB-bgp-default] address-family ipv6 unicast
[SwitchB-bgp-default-ipv6] peer 3001::1 enable
[SwitchB-bgp-default-ipv6] peer 3002::2 enable
[SwitchB-bgp-default-ipv6] peer 3002::2 next-hop-local
[SwitchB-bgp-default-ipv6] quit
[SwitchB-bgp-default] quit
Switch B
Switch C
Switch D
AS 200
AS 100
Switch A
Loop0
1.1.1.1/32
1::1/64
Loop0
4.4.4.4/32
4::4/64
Vlan-int200
2001::1/64
Vlan-int100
3001::1/64
Vlan-int100
3001::2/64
Vlan-int101
3002::1/64
Vlan-int201
2002::2/64
Vlan-int101
3002::2/64
Vlan-int200
2001::2/64
Vlan-int201
2002::1/64
Link A
Link B
Loop0
2.2.2.2/32
Loop0
3.3.3.3/32
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