HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Routing Confi - Page 184
BGP confederation configuration example, Network requirements, Configuration procedure
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BGP confederation configuration example Network requirements In Figure 67, to reduce IBGP connections in AS 200, split it into three sub-ASs: AS65001, AS65002, and AS65003. Switches in AS65001 are fully meshed. Figure 67 Network diagram Switch F Switch B Switch C Vlan-int600 Vlan-int100 Vlan-int300 Vlan-int200 AS 65002 AS 65003 Vlan-int200 AS 100 Vlan-int100 VlanV-ilnat3n0-0int400 Switch D Switch A Vlan-int500 Vlan-int400 Vlan-int200 Vlan-int500 AS 65001 Vlan-int200 AS 200 Switch E Device Switch A Switch B Switch C Interface Vlan-int100 Vlan-int200 Vlan-int300 Vlan-int400 Vlan-int500 Vlan-int200 Vlan-int300 IP address 200.1.1.1/24 10.1.1.1/24 10.1.2.1/24 10.1.3.1/24 10.1.4.1/24 10.1.1.2/24 10.1.2.2/24 Device Switch D Switch E Switch F Interface Vlan-int200 Vlan-int400 Vlan-int200 Vlan-int500 Vlan-int100 Vlan-int600 IP address 10.1.5.1/24 10.1.3.2/24 10.1.5.2/24 10.1.4.2/24 200.1.1.2/24 9.1.1.1/24 Configuration procedure 1. Configure IP addresses for interfaces. (Details not shown.) 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 [SwitchA-bgp] confederation peer-as 65002 65003 [SwitchA-bgp] peer 10.1.1.2 as-number 65002 [SwitchA-bgp] peer 10.1.1.2 next-hop-local [SwitchA-bgp] peer 10.1.2.2 as-number 65003 [SwitchA-bgp] peer 10.1.2.2 next-hop-local [SwitchA-bgp] quit # Configure Switch B. system-view [SwitchB] bgp 65002 [SwitchB-bgp] router-id 2.2.2.2 174
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