Bgp confederation configuration, Network requirements, Configuration procedure – H3C Technologies H3C S10500 Series Switches User Manual

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*> 1.0.0.0 192.1.1.1 0 0 100i

# Display the BGP routing table on Switch D.

[SwitchD] display bgp routing-table

Total Number of Routes: 1

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

In

Figure 95

, to reduce iBGP connections in AS 200, split it into three sub-ASs: AS65001, AS65002, and

AS65003. Switches in AS65001 are fully meshed.

Figure 95 Network diagram for BGP confederation configuration

Switch F

Switch A

Switch D

Switch E

AS 200

AS 100

Vlan-int600

Switch B

Switch C

AS 65002

AS 65003

Vlan-int100

Vlan-int100

AS 65001

Vl

an-

int300

Vlan-int400

Vlan-int500

Vlan-int400

Vlan-int500

Vlan-int200

Vlan-int200

Vlan-int300

Vlan-int200

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.

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