3Com 8807 - Typical BGP Configuration Examples

384 CHAPTER 33: BGP CONFIGURATION
Typical BGP
Configuration
Examples
Configuring BGP AS
Confederation Attribute
Network requirements
Divide the following AS 100 into three sub-AS: 1001, 1002, and 1003, and
configure EBGP, confederation EBGP, and IBGP.
Network diagram
Figure 92 Network diagram for AS confederation configuration
Configuration procedure
# Configure Switch A:
Enable/Disable BGP Open
debugging
[ undo ] debugging bgp open [ receive | send ] [
verbose ]
Enable /Disable BGP packet
debugging
[ undo ] debugging bgp packet [ receive | send ] [
verbose ]
Enable/disable BGP Route-Refresh
packet debugging
[ undo ] debugging bgp route-refresh [ receive |
send ] [ verbose ]
Enable/Disable information
debugging of BGP normal
functions.
[ undo ] debugging bgp normal
Enable/disable BGP Update packet
debugging
[ undo ] debugging bgp update [ receive | send ] [
verbose ]
Reset BGP flapping statistics
information
reset bgp flap-info [ regular-expression
as-regular-expression | as-path-acl acl-number |
network-address [ mask ] ]
Table 392 Display and debug BGP
Operation Command
AS200
AS100
AS1002AS1001
AS1003
Ethernet
172.68.10.1
172.68.10.2
172.68.10.3
172.68.1.2
172.68.1.1
156.10.1.1
156.10.1.2
Switch A
Switch B
Switch C
Switch D
Switch E