H3C Technologies H3C S7500E Series Switches - Manual (Page 262)

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Community : No-Export
AS-path : 10
Origin : igp
Attribute value : MED 0, pref-val 0, pre 255
State : valid, external, best,
Not advertised to any peers yet
The route 9.1.1.0/24 is not available in the routing table of Switch C.
BGP Route Reflector Configuration
Network requirements
In the following figure, all switches run BGP.
z Between Switch A and Switch B is an eBGP connection, between Switch C and Switch B, and
between Switch C and Switch D are iBGP connections.
z Switch C is a route reflector with clients Switch B and D.
z Switch D can learn route 1.0.0.0/8 from Switch C.
Figure 6-24 Network diagram for BGP route reflector configuration
Configuration procedure
1) Configure IP addresses for interfaces (omitted)
2) Configure BGP connections
# Configure Switch A.
system-view
[SwitchA] bgp 100
[SwitchA-bgp] router-id 1.1.1.1
[SwitchA-bgp] peer 192.1.1.2 as-number 200
# Inject network 1.0.0.0/8 to the BGP routing table.
[SwitchA-bgp] network 1.0.0.0
[SwitchA-bgp] quit
# Configure Switch B.
system-view
[SwitchB] bgp 200
[SwitchB-bgp] router-id 2.2.2.2
[SwitchB-bgp] peer 192.1.1.1 as-number 100
[SwitchB-bgp] peer 193.1.1.1 as-number 200
[SwitchB-bgp] peer 193.1.1.1 next-hop-local