H3C Technologies H3C S12500-X Series Switches - Manual (Page 278)

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[SwitchA-bgp] address-family ipv4 unicast
[SwitchA-bgp-ipv4] peer 10.1.1.2 enable
[SwitchA-bgp-ipv4] peer 10.1.2.2 enable
[SwitchA-bgp-ipv4] peer 10.1.1.2 next-hop-local
[SwitchA-bgp-ipv4] peer 10.1.2.2 next-hop-local
[SwitchA-bgp-ipv4] quit
[SwitchA-bgp] quit
# Configure Switch B.
system-view
[SwitchB] bgp 65002
[SwitchB-bgp] router-id 2.2.2.2
[SwitchB-bgp] confederation id 200
[SwitchB-bgp] confederation peer-as 65001 65003
[SwitchB-bgp] peer 10.1.1.1 as-number 65001
[SwitchB-bgp] address-family ipv4 unicast
[SwitchB-bgp-ipv4] peer 10.1.1.1 enable
[SwitchB-bgp-ipv4] quit
[SwitchB-bgp] quit
# Configure Switch C.
system-view
[SwitchC] bgp 65003
[SwitchC-bgp] router-id 3.3.3.3
[SwitchC-bgp] confederation id 200
[SwitchC-bgp] confederation peer-as 65001 65002
[SwitchC-bgp] peer 10.1.2.1 as-number 65001
[SwitchC-bgp] address-family ipv4 unicast
[SwitchC-bgp-ipv4] peer 10.1.2.1 enable
[SwitchC-bgp-ipv4] quit
[SwitchC-bgp] quit
3. Configure IBGP connections in AS 65001:
# Configure Switch A.
[SwitchA] bgp 65001
[SwitchA-bgp] peer 10.1.3.2 as-number 65001
[SwitchA-bgp] peer 10.1.4.2 as-number 65001
[SwitchA-bgp] address-family ipv4 unicast
[SwitchA-bgp-ipv4] peer 10.1.3.2 enable
[SwitchA-bgp-ipv4] peer 10.1.4.2 enable
[SwitchA-bgp-ipv4] peer 10.1.3.2 next-hop-local
[SwitchA-bgp-ipv4] peer 10.1.4.2 next-hop-local
[SwitchA-bgp-ipv4] quit
[SwitchA-bgp] quit
# Configure Switch D.
system-view
[SwitchD] bgp 65001
[SwitchD-bgp] router-id 4.4.4.4
[SwitchD-bgp] confederation id 200
[SwitchD-bgp] peer 10.1.3.1 as-number 65001