H3C Technologies H3C S12500 Series Switches - Manual (Page 273)

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BGP Local router ID is 200.1.2.1
Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin : i - IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
i 1.0.0.0 193.1.1.2 0 100 0 100i
Switch D has learned route 1.0.0.0/8 from Switch C.
BGP confederation configuration
Network requirements
As shown in Figure 92 , to reduce IBGP connections in AS 200, split it into three sub-ASs: AS 65001, AS
65002, and AS 65003. Switches in AS 65001 are fully meshed.
Figure 92 Network diagram
Device Interface IP address Device Interface IP address
Switch A Vlan-int100 200.1.1.1/24 Switch D Vlan-int200 10.1.5.1/24
Vlan-int200 10.1.1.1/24 Vlan-int400 10.1.3.2/24
Vlan-int300 10.1.2.1/24 Switch E Vlan-int200 10.1.5.2/24
Vlan-int400 10.1.3.1/24 Vlan-int500 10.1.4.2/24
Vlan-int500 10.1.4.1/24 Switch F Vlan-int100 200.1.1.2/24
Switch B Vlan-int200 10.1.1.2/24 Vlan-int600 9.1.1.1/24
Switch C Vlan-int300 10.1.2.2/24
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure BGP confederation:
# Configure Switch A.
<SwitchA> system-view
[SwitchA] bgp 65001
[SwitchA-bgp] router-id 1.1.1.1
Vlan
-int200
Vlan-
in
t3
00