H3C S9500 Series Operation Manual page 141

Operation Manual – BGP
H3C S9500 Series Routing Switches
II. Network diagram
Figure 1-3 Network diagram for AS confederation configuration
III. Configuration procedure
# Configure Switch A.
[Switch A] bgp 1001
[Switch A-bgp] confederation id 100
[Switch A-bgp] confederation peer-as 1002 1003
[Switch A-bgp] group confed1002 external
[Switch A-bgp] peer confed1002 as-number 1002
[Switch A-bgp] group confed1003 external
[Switch A-bgp] peer confed1003 as-number 1003
[Switch A-bgp] peer 172.68.10.2 group confed1002
[Switch A-bgp] peer 172.68.10.3 group confed1003
# Configure Switch B.
[Switch B] bgp 1002
[Switch B-bgp] confederation id 100
[Switch B-bgp] confederation peer-as 1001 1003
[Switch B-bgp] group confed1001 external
[Switch B-bgp] peer confed1001 as-number 1001
[Switch B-bgp] group confed1003 external
[Switch B-bgp] peer confed1003 as-number 1003
[Switch B-bgp] peer 172.68.10.1 group confed1001
[Switch B-bgp] peer 172.68.10.3 group confed1003
# Configure Switch C.
[Switch C] bgp 1003
AS1 00 1 S witch A
172.68.10.1
Ethernet
172.68.10.3
Switch C
156.10.1.1
156.10.1.2
A S20 0 S wit ch E
A S10 02 Switch B
172.68.10.2
A S10 03
172.68.1.1
172.68.1.2
Switch D
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Chapter 1 BGP Configuration
A S10 0