3Com Switch 8800 Advanced Software V5 Configuration Guide

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BGP Configuration Examples 449

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

# Advertise 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

Vlan-int200 200.1.1.2/24 Vlan-int500 9.1.2.2/24

Switch B Vlan-int400 9.1.1.1/24 Switch C Vlan-int500 9.1.2.1/24

Vlan-int200 200.1.1.1/24 Vlan-int300 9.1.3.2/24

Vlan-int300 9.1.3.1/24