Local AS BGP
R1
R1#conf t
Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#no router bgp 123
R1(config)#router bgp 12
R1(config-router)#bgp conf iden 123
R1(config-router)#neigh 12.12.12.2 remote 12
R1(config-router)#exit
R1(config)#
R1(config)#
R1(config)#acc 2 permit 11.11.11.11
R1(config)#route-map LOCAL-AS
R1(config-route-map)#match ip add 2
R1(config-route-map)#set commu local-as
R1(config-route-map)#exit
R1(config)#
R1(config)#router bgp 12
R1config-router)#neigh 12.12.12.2 route-map local-as out
R1(config-router)#neigh 12.12.12.2 send-commu
R1(config-router)#netgh 11.11.11.11 mask 255.255.255.255
R1(config-router)#exit
R2
R2#conf t
Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#
R2(config)#no router bg 123
R2(config)#router bg 12
R2(config-router)#bgp conf iden 123
R2(config-router)#bgp conf peer 3
R2(config-router)#neigh 12.12.12.1 remote 12
R2(config-router)#neigh 12.12.12.1 next-hop-self
R2(config-router)#neigh 23.23.23.3 remote 3
R2(config-router)#neigh 23.23.23.3 next-hop-self
R2(config-router)#neigh 24.24.24.4 remote 4
R2(config-router)#net 22.22.22.22 mas 255.255.255.255
R2(config-router)#exit
R3
R3#conf t
Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#no router bgp 123
R3(config)#rout
R3(config)#router bgp 3
R3(config-router)#bgp conf iden 123
R3(config-router)#bgp conf peer 12
R3(config-router)#neigh 23.23.23.2 remote 12
R3(config-router)#net 33.33.33.33 mas 255.255.255.255
R3(config-router)#exit
cek dengan do show ip bgp
R2
R2#do show ip bgp
BGP table version is 5, local router ID is 22.22.22.22
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 4.4.4.4/32 24.24.24.4 0 0 4 i
*>i11.11.11.11/32 12.12.12.1 0 100 0 i
*> 22.22.22.22/32 0.0.0.0 0 32768 i
*> 33.33.33.33/32 23.23.23.3 0 100 0 (3) i
R2(config)#do show ip bgp 11.11.11.11
BGP routing table entry for 11.11.11.11/32, version 2
Paths: (1 available, best #1, table default, not advertised outside
local AS)
Not advertised to any peer
Refresh Epoch 1
Local
12.12.12.1 from 12.12.12.1 (11.11.11.11)
Origin IGP, metric 0, localpref 100, valid, confed-internal,
best
Community: local-AS
rx pathid: 0, tx pathid: 0x0
R3
R3(config)#do sh ip bgp
Network Next Hop Metric LocPrf Weight Path
*> 4.4.4.4/32 23.23.23.2 0 100 0 (12) 4 i
*> 22.22.22.22/32 23.23.23.2 0 100 0 (12) i
*> 33.33.33.33/32 0.0.0.0 0 32768 i
SELESAI
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