3Com Switch 8800 Advanced Software V5 Configuration Guide

448 CHAPTER 35: BGP CONFIGURATION
Resetting BGP
Connections
Clearing BGP
Information
BGP Configuration
Examples
BGP Basic Configuration Network requirements
In the following figure are all BGP switches. Between Switch A and Switch B is an
EBGP connection. Switch B, Switch C and Switch D are IBGP fully meshed.
Network diagram
Figure 146 Network diagram for BGP basic configuration (on switches)
To do... Use the command... Remarks
Reset all BGP connections reset bgp all Available in user view
Reset the BGP connections
to an AS
reset bgp as-number
Reset the BGP connection
to a peer
reset bgp ip-address [
flap-info ]
Reset all EBGP connections reset bgp external
Reset the BGP connections
to a peer group
reset bgp group group-name
Reset all IBGP connections reset bgp internal
Reset all IPv4 unicast BGP
connections
reset bgp ipv4 all
To do... Use the command... Remarks
Clear dampening routing
information and release
suppressed routes
reset bgp [ vpn-instance
vpn-instance-name ]
dampening [ network-address
[ mask | mask-length ] ]
Available in user view
Clear route flap
information
reset bgp [ vpn-instance
vpn-instance-name ] flap-info {
regexp as-path-regexp |
as-path-acl
as-path-acl-number | ip-address
[ mask | mask-length ] }
Device Interface IP address Device Interface IP address
Switch A Vlan-int100 8.1.1.1/8 Switch D Vlan-int400 9.1.1.2/24
Vlan-int200
Switch A
AS 65008
Vlan-int200
Vlan-int100
Vlan-int300
Vlan-int400
Vlan-int400
Vlan-int500
Vlan-int500Vlan-int300
Switch C
Switch B
Switch D
AS 65009