ZXR10 GER (V2.6.03) General Excellent Router User Manual Volume-I
250 Confidential and Proprietary Information of ZTE CORPORATION
FIGURE 103 BGP CONFEDERATION
R3
R5 R6
R4
R7
R1 R2
AS200
Lo: 210.61.10.1 Lo: 210.61.20.1
2.2.2.1/30Lo: 210.61.30.1
Lo: 210.61.40.1
AS100 AS300
AS65010
AS65020
2.2.2.2/30
210.61.19.1/30 210.61.19.2/30
Configuration of R3:
ZXR10_R3(config)#router bgp 65010
ZXR10_R3(config-router)#bgp confederation identifier 200
ZXR10_R3(config-router)#bgp confederation peers 65020
ZXR10_R3(config-router)#neighbor 210.61.10.1 remote-as 65010
ZXR10_R3(config-router)#neighbor 210.61.20.1 remote-as 65010
ZXR10_R3(config-router)#neighbor 210.61.19.2 remote-as 65020
ZXR10_R3(config-router)#neighbor 2.2.2.2 remote-as 100
Configuration of R5:
ZXR10_R5(config)#router bgp 65010
ZXR10_R5(config-router)#bgp confederation identifier 200
ZXR10_R5(config-router)#neighbor 210.61.30.1 remote-as 65010
ZXR10_R5(config-router)#neighbor 210.61.20.1 remote-as 65010
Upon adjacency setup, the EBGP adjacency is set up between R3
and confederation peers, IBGP adjacency is set up inside the
confederation, and the EBGP adjacency is set up with AS100.
AS100 does not know whether the confederation exists.
Therefore, router R1 in AS100 still sets up adjacency with R3 by
using AS200.
Configuration of R1:
ZXR10_R1(config)#router bgp 100
ZXR10_R1(config-router)#neighbor 2.2.2.1 remote-as 200
Adjacency
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