Bgp Configuration Examples - 3Com Switch 4800G 24-Port Configuration Manual

Resetting BGP
Connections
Clearing BGP
Information
BGP Configuration
Examples
BGP Basic Configuration
To do...
Reset all BGP connections
Reset the BGP connections to an AS
Reset the BGP connection to a peer
Reset all EBGP connections
Reset the BGP connections to a peer group
Reset all IBGP connections
Reset all IPv4 unicast BGP connections
To do...
Clear dampened MBGP routing
information and release
suppressed routes
Clear route flap information
Network requirements
In the following figure are all BGP switches. Between Switch A and Switch B is an
EBGP connection. IBGP speakers Switch B, Switch C and Switch D are fully
meshed.
Network diagram
Figure 130 Network diagram for BGP basic configuration
Vlan-int100
Vlan -int200
Switch A
Vlan -int200
AS 65008
Switch B
Device Interface
Switch A Vlan-int100
Vlan-int200
Switch B Vlan-int400
Vlan-int200
Vlan-int300

BGP Configuration Examples

Use the command...
reset bgp all
reset bgp as-number
reset bgp ip-address
[ flap-info ]
reset bgp external
reset bgp group group-name
reset bgp internal
reset bgp ipv4 all
Use the command...
reset bgp dampening [ ip-address
[ mask | mask-length ] ]
reset bgp flap-info [ regexp
as-path-regexp | as-path-acl
as-path-acl-number | ip-address
[ mask | mask-length ] ]
Vlan-int300 Vlan -int500
Switch C
Vlan-int300
Vlan -int400
Vlan -int400
IP address Device
8.1.1.1/8 Switch D
200.1.1.2/24
9.1.1.1/24 Switch C
200.1.1.1/24
9.1.3.1/24
Remarks
Available in
user view
Remarks
Available in user
view
AS 65009
Vlan -int500
Switch D
Interface IP address
Vlan-int400 9.1.1.2/24
Vlan-int500 9.1.2.2/24
Vlan-int500 9.1.2.1/24
Vlan-int300 9.1.3.2/24
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