H3C Technologies H3C S12500-X Series Switches User Manual

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Figure 63 Network diagram

619B

Configuration procedure

Configure IP addresses for interfaces. (Details not shown.)

Configure EBGP:
# Configure Switch A.

system-view

[SwitchA] bgp 10

[SwitchA-bgp] router-id 1.1.1.1

[SwitchA-bgp] peer 200.1.2.2 as-number 20

[SwitchA-bgp] address-family ipv4 unicast

[SwitchA-bgp-ipv4] peer 200.1.2.2 enable

[SwitchA-bgp-ipv4] network 9.1.1.0 255.255.255.0

[SwitchA-bgp] quit

# Configure Switch B.

system-view

[SwitchB] bgp 20

[SwitchB-bgp] router-id 2.2.2.2

[SwitchB-bgp] peer 200.1.2.1 as-number 10

[SwitchB-bgp] peer 200.1.3.2 as-number 30

[SwitchB-bgp] address-family ipv4 unicast

[SwitchB-bgp-ipv4] peer 200.1.2.1 enable

[SwitchB-bgp-ipv4] peer 200.1.3.2 enable

[SwitchB-bgp-ipv4] quit

[SwitchB-bgp] quit

# Configure Switch C.

system-view

[SwitchC] bgp 30

[SwitchC-bgp] router-id 3.3.3.3

[SwitchC-bgp] peer 200.1.3.1 as-number 20

[SwitchC-bgp] address-family ipv4 unicast

[SwitchC-bgp-ipv4] peer 200.1.3.1 enable

[SwitchC-bgp-ipv4] quit

[SwitchC-bgp] quit

# Display the BGP routing table on Switch B.

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