396 CHAPTER 30: BGP CONFIGURATION
Configuration procedure
1 Configure IP addresses for interfaces (omitted)
2 Configure IBGP connections
# Configure Switch B.
<SwitchB> system-view
[SwitchB] bgp 65009
[SwitchB-bgp] router-id 2.2.2.2
[SwitchB-bgp] peer 9.1.1.2 as-number 65009
[SwitchB-bgp] peer 9.1.3.2 as-number 65009
[SwitchB-bgp] quit
# Configure Switch C.
<SwitchC> system-view
[SwitchC] bgp 65009
[SwitchC-bgp] router-id 3.3.3.3
[SwitchC-bgp] peer 9.1.3.1 as-number 65009
[SwitchC-bgp] peer 9.1.2.2 as-number 65009
[SwitchC-bgp] quit
# Configure Switch D.
<SwitchD> system-view
[SwitchD] bgp 65009
[SwitchD-bgp] router-id 4.4.4.4
[SwitchD-bgp] peer 9.1.1.1 as-number 65009
[SwitchD-bgp] peer 9.1.2.1 as-number 65009
[SwitchD-bgp] quit
3 Configure the EBGP connection
# Configure Switch A.
<SwitchA> system-view
[SwitchA] bgp 65008
[SwitchA-bgp] router-id 1.1.1.1
[SwitchA-bgp] peer 200.1.1.1 as-number 65009
# Inject network 8.0.0.0/8 to the BGP routing table.
[SwitchA-bgp] network 8.0.0.0
[SwitchA-bgp] quit
# Configure Switch B.
[SwitchB] bgp 65009
[SwitchB-bgp] peer 200.1.1.2 as-number 65008
[SwitchB-bgp] quit
# Display BGP peer information on Switch B.
[SwitchB] display bgp peer
BGP local router ID : 2.2.2.2
Local AS number : 65009
Total number of peers : 3 Peers in established state : 3
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