Operation Manual – IPv4 Routing
H3C S3610&S5510 Series Ethernet Switches
Chapter 5 BGP Configuration
5-54
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 learned route 1.0.0.0/8 from Switch C.
5.10.6 BGP Confederation Configuration
I. Network requirements
To reduce IBGP connections in AS 200, split it into three sub-ASs, AS65001, AS65002
and AS65003. Switches in AS65001 are fully meshed.
II. Network diagram
Switch F
Switch A
Switch D
Switch E
AS 200
AS 100
Vlan-int100
Switch B
Switch C
AS 65002
AS 65003
Vlan-int200
Vlan-int100
AS 65001
Vl
an
-int300
Vlan-int400
Vlan-int500
Vlan-int100
Vlan-int100
Vlan-int200
Vlan-int100
Vlan-int100
Vlan-int200
Device Interface IP
address Device Interface IP
address
Switch
A Vlan-int100 200.1.1.1/24 Switch D
Vlan-int100
10.1.3.2/24
Vlan-int200
10.1.1.1/24
Vlan-int200
10.1.5.1/24
Vlan-int300
10.1.2.1/24
Switch E
Vlan-int100
10.1.4.2/24
Vlan-int400
10.1.3.1/24
Vlan-int200
10.1.5.2/24
Vlan-int500
10.1.4.1/24
Switch F
Vlan-int100
9.1.1.1/24
Switch B
Vlan-int100
10.1.1.2/24
Vlan-int200
200.1.1.2/24
Switch C
Vlan-int100
10.1.2.2/24
Figure 5-21
Network diagram for BGP confederation configuration (on switches)
III. Configuration procedure
1)
Configure IP addresses for interfaces (omitted)
2)
Configure BGP confederation
# Configure Switch A.
<SwitchA> system-view
[SwitchA] bgp 65001
[SwitchA-bgp] router-id 1.1.1.1
[SwitchA-bgp] confederation id 200