Bgp Confederation Configuration Example - HP FlexFabric 12900E Series Configuration Manual

* >e 20.0.0.0
# Display the BGP routing table on Switch D.
[SwitchD] display bgp routing-table ipv4
Total number of routes: 1
BGP local router ID is 4.4.4.4
Status codes: * - valid, > - best, d - dampened, h - history,
Network
* >i 20.0.0.0
The output shows that Switch D has learned route 20.0.0.0/8 from Switch C.

BGP confederation configuration example

Network requirements
As shown in
reduce IBGP connections. Switches in AS 65001 are fully meshed.
Figure 71 Network diagram
Switch F
Vlan-int600
Vlan-int100
AS 100
Table 17 Interface and IP address assignment
Device
Switch A
Switch B
192.1.1.1
s - suppressed, S - stale, i - internal, e - external
Origin: i - IGP, e - EGP, ? - incomplete
NextHop
193.1.1.2
Figure 71, split AS 200 into three sub-ASs (AS 65001, AS 65002, and AS 65003) to
Switch B
Vlan-int200
AS 65002
Vlan-int100
Vlan-int400
Switch A
Vlan-int500
Vlan-int500
AS 200
Interface IP address
Vlan-int100 200.1.1.1/24
Vlan-int200 10.1.1.1/24
Vlan-int300 10.1.2.1/24
Vlan-int400 10.1.3.1/24
Vlan-int500 10.1.4.1/24
Vlan-int200 10.1.1.2/24
0
MED LocPrf
0 100
Switch C
Vlan-int300
AS 65003
Switch D
Vlan-int400
Vlan-int200
AS 65001
Vlan-int200
Switch E
Device
Switch D
Switch E
Switch F
318
0 100i
PrefVal Path/Ogn
0 100i
Interface IP address
Vlan-int200 10.1.5.1/24
Vlan-int400 10.1.3.2/24
Vlan-int200 10.1.5.2/24
Vlan-int500 10.1.4.2/24
Vlan-int100 200.1.1.2/24
Vlan-int600 9.1.1.1/24