Operation Manual – IPv4 RoutingH3C S3610&S5510 Series Ethernet Switches Chapter 5 BGP Configuration5-54Origin : i - IGP, e - EGP, ? - incompleteNetwork NextHop MED LocPrf PrefVal Path/Ogni 1.0.0.0 193.1.1.2 0 100 0 100iSwitch D learned route 1.0.0.0/8 from Switch C.5.10.6 BGP Confederation ConfigurationI. Network requirementsTo reduce IBGP connections in AS 200, split it into three sub-ASs, AS65001, AS65002and AS65003. Switches in AS65001 are fully meshed.II. Network diagramSwitch FSwitch ASwitch DSwitch EAS 200AS 100Vlan-int100Switch B Switch CAS 65002 AS 65003Vlan-int200Vlan-int100AS 65001Vlan-int300Vlan-int400Vlan-int500Vlan-int100Vlan-int100 Vlan-int200Vlan-int100Vlan-int100Vlan-int200Device Interface IP address Device Interface IP addressSwitch A Vlan-int100 200.1.1.1/24 Switch D Vlan-int100 10.1.3.2/24Vlan-int200 10.1.1.1/24 Vlan-int200 10.1.5.1/24Vlan-int300 10.1.2.1/24 Switch E Vlan-int100 10.1.4.2/24Vlan-int400 10.1.3.1/24 Vlan-int200 10.1.5.2/24Vlan-int500 10.1.4.1/24 Switch F Vlan-int100 9.1.1.1/24Switch B Vlan-int100 10.1.1.2/24 Vlan-int200 200.1.1.2/24Switch C Vlan-int100 10.1.2.2/24Figure 5-21 Network diagram for BGP confederation configuration (on switches)III. Configuration procedure1) Configure IP addresses for interfaces (omitted)2) Configure BGP confederation# Configure Switch A. system-view[SwitchA] bgp 65001[SwitchA-bgp] router-id 1.1.1.1[SwitchA-bgp] confederation id 200
