H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 5 BGP Configuration
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Figure 5-14 Network diagram for route reflectors
When clients of a route reflector are fully meshed, route reflection is unnecessary
because it consumes more bandwidth resources. The system supports using related
commands to disable route reflection in this case.
 Note:
After route reflection is disabled between clients, routes between a client and a
non-client can still be reflected.
VI. Confederation
Confederation is another method to deal with growing IBGP connections in ASs. It
splits an AS into multiple sub-ASs. In each sub-AS, IBGP peers are fully meshed, and
EBGP connections are established between sub-ASs, as shown below: