354
Vlan-int101 3001::2/64 Vlan-int201 2001::2/64
Configuration procedure
1. Configure IPv6 addresses for interfaces. (Details not shown.)
2. Configure OSPFv3 so that Switch A and Switch C can reach each other. (Details not shown.)
3. Configure IPv6 BGP on Switch A:
# Establish two IBGP connections to Switch C.
<SwitchA> system-view
[SwitchA] bgp 200
[SwitchA-bgp-default] router-id 1.1.1.1
[SwitchA-bgp-default] peer 3001::3 as-number 200
[SwitchA-bgp-default] peer 2001::3 as-number 200
[SwitchA-bgp-default] address-family ipv6
[SwitchA-bgp-default-ipv6] peer 3001::3 enable
[SwitchA-bgp-default-ipv6] peer 2001::3 enable
[SwitchA-bgp-default-ipv6] quit
# Create IPv6 basic ACL 2000 to permit 1200::0/64 to pass.
[SwitchA] acl ipv6 basic 2000
[SwitchA-acl-ipv6-basic-2000] rule permit source 1200:: 64
[SwitchA-acl-ipv6-basic-2000] quit
# Create two routing policies to set the MED for route 1200::0/64. The policy apply_med_50
sets the MED to 50, and the policy apply_med_100 sets the MED to 100.
[SwitchA] route-policy apply_med_50 permit node 10
[SwitchA-route-policy-apply_med_50-10] if-match ipv6 address acl 2000
[SwitchA-route-policy-apply_med_50-10] apply cost 50
[SwitchA-route-policy-apply_med_50-10] quit
[SwitchA] route-policy apply_med_100 permit node 10
[SwitchA-route-policy-apply_med_100-10] if-match ipv6 address acl 2000
[SwitchA-route-policy-apply_med_100-10] apply cost 100
[SwitchA-route-policy-apply_med_100-10] quit
# Apply routing policy apply_med_50 to routes outgoing to peer 3001::3, and apply routing
policy apply_med_100 to routes outgoing to peer 2001::3.
[SwitchA] bgp 200
[SwitchA-bgp-default] address-family ipv6 unicast
[SwitchA-bgp-default-ipv6] peer 3001::3 route-policy apply_med_50 export
[SwitchA-bgp-default-ipv6] peer 2001::3 route-policy apply_med_100 export
[SwitchA-bgp-default-ipv6] quit
# Enable BFD for peer 3001::3.
[SwitchA-bgp-default] peer 3001::3 bfd
[SwitchA-bgp-default] quit
4. Configure IPv6 BGP on Switch C:
# Establish two IBGP connections to Switch A.
<SwitchC> system-view
[SwitchC] bgp 200
[SwitchC-bgp-default]
router-id 3.3.3.3
[SwitchC-bgp-default] peer 3000::1 as-number 200
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