Setting Bgp Confederation - Zte ZXR10 5900E Series User Manual

St- Command
ep
1
ZXR10(config-router)#
<value>
2
ZXR10(config-router)#
<value>[...<value>]
Example
ZXR10_R3(config-router)#neighbor 4.4.4.4 remote-as 100
R2 configuration:
ZXR10_R2(config)#router bgp 100
ZXR10_R2(config-router)#neighbor 3.3.3.3 remote-as 100
When a route is received by the RR, the RR reflects according to
types of different peers.
1. If a route comes from non-client peers, it is reflected to all
client peers.
2. If a route comes from client peers, it is reflected to all non-
client peers and client peers.
3. If a route comes from the EBGP peer, it is reflected to all non-
client peers and client peers.
When there are multiple RRs inside an AS, multiple RRs inside an
AS are classified as a cluster. There may be multiple clusters inside
one AS. A cluster contains more than one RR.

Setting BGP Confederation

Route confederation has the same function as router reflector. The
purpose is to reduce the number of IBGP connection neighbors
established inside the same AS. Route confederation divides an
AS into multiple sub-Ass.
longs respectively to the sub-Ass. IBGP is established inside the
sub-AS. EBGP is established between sub-ASs. The sub-AS num-
ber is called confederation number. For AS outside the sub-AS is
invisible.
bgp confederation identifier
bgp confederation peers
AS200 has five BGP routers. Divide them into two sub-ASs. One
is defined as AS65010 containing R3, R5 and R6. The other one is
defined as AS65020 containing R4 and R7. This is shown in
22.
Confidential and Proprietary Information of ZTE CORPORATION
Chapter 5 BGP Configuration
Multiple IBGP routers inside AS be-
Function
This sets the confederation
ID.
This sets the confederation
peer AS number.
Figure
59