BGP NEIGHBOR

TOPOLOGI BGP NEIGHBOR

konfigurasi bgp neighborn
masukan ip sesuai dengan topologi diatas
lakukan konfigurasi BGP per router

IDN-R1(config)#router bgp 500

IDN-R1(config-router)#neighbor 1.1.1.2 remote-as 500

IDN-R1(config-router)#neighbor 4.4.4.1 remote-as 500

IDN-R1(config-router)#net 10.0.0.0

IDN-R1(config-router)#net 4.0.0.0

IDN-R1(config-router)#no auto-summary

IDN-R1(config-router)#no synchronization

IDN-R1(config-router)#ex

IDN-R2(config)#router bgp 500

IDN-R2(config-router)#nei 1.1.1.1 remote-as 500

IDN-R2(config-router)#nei 2.2.2.2 remote-as 500

IDN-R2(config-router)#net 20.0.0.0

IDN-R2(config-router)#net 2.0.0.0

IDN-R2(config-router)#net 1.0.0.0

IDN-R2(config-router)#no auto-summary

IDN-R2(config-router)#no synchronization

IDN-R2(config-router)#end

IDN-R3(config)#router bgp 500

IDN-R3(config-router)#nei 2.2.2.1 remote-as 500

IDN-R3(config-router)#nei 3.3.3.2 remote-as 500

IDN-R3(config-router)#net 30.0.0.0

IDN-R3(config-router)#net 3.0.0.0

IDN-R3(config-router)#net 2.0.0.0

IDN-R3(config-router)#no auto-summary

IDN-R3(config-router)#no synchronization

IDN-R3(config-router)#end

IDN-R4(config)#router bgp 500

IDN-R4(config-router)#nei 3.3.3.1 remote-as 500

IDN-R4(config-router)#nei 4.4.4.2 remote-as 500

IDN-R4(config-router)#net 40.0.0.0

IDN-R4(config-router)#net 4.0.0.0

IDN-R4(config-router)#net 3.0.0.0

IDN-R4(config-router)#no auto-summary

IDN-R4(config-router)#no synchronization

IDN-R4(config-router)#end

lakukan verifikasi BGP

IDN-R1#sh ip bgp summary

Neighbor    V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd

1.1.1.2         4   500      30      30        9    0    0 00:25:05        3

4.4.4.1         4   500       8       7        9    0    0 00:02:07        3

IDN-R3#sh ip bgp summary

Neighbor     V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down State/PfxRcd

2.2.2.1         4   500      22      24       10    0    0 00:17:46        3

3.3.3.2         4   500      11       9       10    0    0 00:04:24        3

IDN-R1#sh ip route bgp

B    2.0.0.0/8 [200/0] via 1.1.1.2, 00:28:18

B    3.0.0.0/8 [200/0] via 4.4.4.1, 00:05:52

B    20.0.0.0/8 [200/0] via 1.1.1.2, 00:28:18

B    40.0.0.0/8 [200/0] via 4.4.4.1, 00:05:56

note : tidak ada network 30.0.0.0 di table route BGP

IDN-R2#sh ip route bgp

B    3.0.0.0/8 [200/0] via 2.2.2.2, 00:21:53

B    4.0.0.0/8 [200/0] via 1.1.1.1, 00:30:49

B    10.0.0.0/8 [200/0] via 1.1.1.1, 00:30:49

B    30.0.0.0/8 [200/0] via 2.2.2.2, 00:21:59

note : tidak ada network 40.0.0.0 di table route BGP

IDN-R3#sh ip route bgp

B    1.0.0.0/8 [200/0] via 2.2.2.1, 00:27:13

B    4.0.0.0/8 [200/0] via 3.3.3.2, 00:13:25

B    20.0.0.0/8 [200/0] via 2.2.2.1, 00:27:13

B    40.0.0.0/8 [200/0] via 3.3.3.2, 00:13:31

IDN-R4#sh ip route bgp

B    2.0.0.0/8 [200/0] via 3.3.3.1, 00:14:34

B    10.0.0.0/8 [200/0] via 4.4.4.2, 00:14:06

B    30.0.0.0/8 [200/0] via 3.3.3.1, 00:14:34