Resetting Bgp Connections; Clearing Bgp Information; Bgp Typical Configuration Examples; Bgp Basic Configuration - 3Com MSR 50 Series Configuration Manual

856 C 56: BGP C
HAPTER
Resetting BGP
Connections
Clearing BGP
Information
BGP Typical
Configuration
Examples

BGP Basic Configuration

ONFIGURATION
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 dampening routing
information and release
suppressed routes
Clear route flap information
Network requirements
In Figure 246 are all BGP routers. Between Router A and Router B is an EBGP
connection. Router B, Router C and Router D are IBGP fully meshed.
Network diagram
Figure 246 Network diagram for BGP basic configuration
AS 65008
Eth1/0
8.1.1 .1/8
S 2/1
200 .1.1 .2/24
Router A
Configuration procedure
1 Configure IP addresses for interfaces (omitted)
2 Configure IBGP connections
# Configure Router B.
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 ] ]
AS 65009
S2/2
9.1 .3.2/24
S 2/2
9.1.3.1 /24
S 2/1 S2 /0
200.1.1.1 /24 9.1.1.1/24
Router B
Remarks
Available in
user view
Remarks
Available in user
view
S2/1
9.1.2 .1/24
Router C
S2 /1
9.1.2.2/24
S2/0
9 .1.1.2/24
Router D