227
Task Command
Remarks
Reset all IPv4 unicast BGP connections. reset bgp ipv4 all
Available in user
view
Clearing BGP information
Task Command
Remarks
Clear dampened BGP routing
information and release suppressed
routes.
reset bgp dampening [ ip-address [ mask |
mask-length ] ]
Available in
user view
Clear route flap information.
reset bgp flap-info [ ip-address [ mask-length |
mask ] | as-path-acl as-path-acl-number |
regexp as-path-regular-expression ]
reset bgp peer-ip-address flap-info
Available in
user view
BGP configuration examples
BGP basic configuration example
Network requirements
In Figure 89, run EBGP between Switch A and Switch B and IBGP between Switch B and Switch C so that
Switch C can access the network 8.1.1.0/24 connected to Router A.
Figure 89 Network diagram
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure IBGP:
{ To prevent route flapping caused by port state changes, this example uses loopback interfaces
to establish IBGP connections.
{ Because loopback interfaces are virtual interfaces, you need to use the peer connect-interface
command to specify the loopback interface as the source interface for establishing BGP
connections.
{ Enable OSPF in AS 65009 to make sure that Switch B can communicate with Switch C through
loopback interfaces.
# Configure Switch B.
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