konfig R4
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface FastEthernet0/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0
ip address 24.24.24.4 255.255.255.0
clock rate 2000000
!
router bgp 4
no synchronization
bgp log-neighbor-changes
network 4.4.4.4 mask 255.255.255.255
neighbor 24.24.24.2 remote-as 123
no auto-summary
!
R4#sh ip bgp
BGP table version is 5, local router ID is 4.4.4.4
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 0.0.0.0 0 32768 i
*> 11.11.11.11/32 24.24.24.2 0 123 i
*> 22.22.22.22/32 24.24.24.2 0 0 123 i
*> 33.33.33.33/32 24.24.24.2 0 123 i
R4#
konfig R1
router eigrp 1
network 1.1.1.1 0.0.0.0
network 12.12.12.1 0.0.0.0
auto-summary
!
router bgp 123
no synchronization
bgp log-neighbor-changes
network 11.11.11.11 mask 255.255.255.255
neighbor 2.2.2.2 remote-as 123
no auto-summary
!
ip forward-protocol nd
!
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface Loopback1
ip address 11.11.11.11 255.255.255.255
!
interface FastEthernet0/0
ip address 12.12.12.1 255.255.255.0
duplex auto
speed auto
!
R1(config-router)#do sh ip bgp
BGP table version is 5, local router ID is 11.11.11.11
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
*>i4.4.4.4/32 2.2.2.2 0 100 0 4 i
*> 11.11.11.11/32 0.0.0.0 0 32768 i
*>i22.22.22.22/32 2.2.2.2 0 100 0 i
*>i33.33.33.33/32 3.3.3.3 0 100 0 i
R1(config-router)#
Konfig R2
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface Loopback1
ip address 22.22.22.22 255.255.255.255
!
interface FastEthernet0/0
ip address 12.12.12.2 255.255.255.0
duplex auto
speed auto
interface Serial0/0
ip address 24.24.24.2 255.255.255.0
clock rate 2000000
!
interface FastEthernet0/1
ip address 23.23.23.2 255.255.255.0
duplex auto
speed auto
!
router eigrp 1
network 2.2.2.2 0.0.0.0
network 12.12.12.2 0.0.0.0
network 23.23.23.2 0.0.0.0
auto-summary
!
router bgp 123
no synchronization
bgp log-neighbor-changes
network 22.22.22.22 mask 255.255.255.255
neighbor 1.1.1.1 remote-as 123
neighbor 1.1.1.1 update-source Loopback0
neighbor 1.1.1.1 next-hop-self
neighbor 3.3.3.3 remote-as 123
neighbor 3.3.3.3 update-source Loopback0
neighbor 3.3.3.3 route-reflector-client
neighbor 3.3.3.3 next-hop-self
neighbor 24.24.24.4 remote-as 4
no auto-summary
!
R2(config-router)#exit
R2(config)#do sh 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 1.1.1.1 0 100 0 i
*> 22.22.22.22/32 0.0.0.0 0 32768 i
*>i33.33.33.33/32 3.3.3.3 0 100 0 i
R2(config)#
konfig R3
interface Loopback0
ip address 3.3.3.3 255.255.255.255
!
interface Loopback1
ip address 33.33.33.33 255.255.255.255
!
interface FastEthernet0/0
ip address 23.23.23.3 255.255.255.0
duplex auto
speed auto
!
router eigrp 1
network 3.3.3.3 0.0.0.0
network 23.23.23.3 0.0.0.0
auto-summary
!
router bgp 123
no synchronization
bgp log-neighbor-changes
network 33.33.33.33 mask 255.255.255.255
neighbor 2.2.2.2 remote-as 123
neighbor 2.2.2.2 update-source Loopback0
no auto-summary
!
R3(config)#exit
R3#sh ip route
*Mar 1 00:19:57.383: %SYS-5-CONFIG_I: Configured from console by console
R3#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
D 1.0.0.0/8 [90/435200] via 23.23.23.2, 00:10:14, FastEthernet0/0
D 2.0.0.0/8 [90/409600] via 23.23.23.2, 00:10:14, FastEthernet0/0
33.0.0.0/32 is subnetted, 1 subnets
C 33.33.33.33 is directly connected, Loopback1
3.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 3.3.3.3/32 is directly connected, Loopback0
D 3.0.0.0/8 is a summary, 00:10:10, Null0
4.0.0.0/32 is subnetted, 1 subnets
B 4.4.4.4 [200/0] via 2.2.2.2, 00:08:24
23.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 23.23.23.0/24 is directly connected, FastEthernet0/0
D 23.0.0.0/8 is a summary, 00:10:12, Null0
22.0.0.0/32 is subnetted, 1 subnets
B 22.22.22.22 [200/0] via 2.2.2.2, 00:09:30
11.0.0.0/32 is subnetted, 1 subnets
B 11.11.11.11 [200/0] via 1.1.1.1, 00:09:32
D 12.0.0.0/8 [90/307200] via 23.23.23.2, 00:10:18, FastEthernet0/0
R3#
R3#show ip bgp
BGP table version is 5, local router ID is 33.33.33.33
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
*>i4.4.4.4/32 2.2.2.2 0 100 0 4 i
*>i11.11.11.11/32 1.1.1.1 0 100 0 i
*>i22.22.22.22/32 2.2.2.2 0 100 0 i
*> 33.33.33.33/32 0.0.0.0 0 32768 i
R3#
SET community menjadi NO EXPORT
!
router bgp 123
no synchronization
bgp log-neighbor-changes
network 11.11.11.11 mask 255.255.255.255
neighbor 2.2.2.2 remote-as 123
neighbor 2.2.2.2 send-community
neighbor 2.2.2.2 route-map NO-EXPORT out
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
access-list 1 permit 11.11.11.11
!
!
!
route-map NO-EXPORT permit 10
match ip address 1
set community no-export
!
R4#sh ip bgp
BGP table version is 6, local router ID is 4.4.4.4
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 0.0.0.0 0 32768 i
*> 22.22.22.22/32 24.24.24.2 0 0 123 i
*> 33.33.33.33/32 24.24.24.2 0 123 i
R4#
R2(config)#do sh ip bgp 11.11.11.11
BGP routing table entry for 11.11.11.11/32, version 6
Paths: (1 available, best #1, table Default-IP-Routing-Table, not advertised to EBGP peer)
Advertised to update-groups:
3
Local
1.1.1.1 (metric 409600) from 1.1.1.1 (11.11.11.11)
Origin IGP, metric 0, localpref 100, valid, internal, best
Community: no-export
R2(config)#
Set Community "no-advertise" di R3
router eigrp 1
network 3.3.3.3 0.0.0.0
network 23.23.23.3 0.0.0.0
auto-summary
!
router bgp 123
no synchronization
bgp log-neighbor-changes
network 33.33.33.33 mask 255.255.255.255
neighbor 2.2.2.2 remote-as 123
neighbor 2.2.2.2 update-source Loopback0
neighbor 2.2.2.2 send-community
neighbor 2.2.2.2 route-map NO-ADVERTISE out
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
access-list 1 permit 33.33.33.33
route-map NO-ADVERTISE permit 10
match ip address 1
set community no-advertise
!
!
!
!
R4
Network Next Hop Metric LocPrf Weight Path
*> 4.4.4.4/32 0.0.0.0 0 32768 i
*> 22.22.22.22/32 24.24.24.2 0 0 123 i
*> 33.33.33.33/32 24.24.24.2 0 123 i
R4#
R1#sh ip bgp
BGP table version is 6, local router ID is 11.11.11.11
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
*>i4.4.4.4/32 2.2.2.2 0 100 0 4 i
*> 11.11.11.11/32 0.0.0.0 0 32768 i
*>i22.22.22.22/32 2.2.2.2 0 100 0 i
R1#
Set Community menjadi Local-AS
R2#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#
KOnfigurasi R2
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
router eigrp 1
network 2.2.2.2 0.0.0.0
network 12.12.12.2 0.0.0.0
network 23.23.23.2 0.0.0.0
auto-summary
!
router bgp 12
no synchronization
bgp log-neighbor-changes
bgp confederation identifier 123
bgp confederation peers 3
network 22.22.22.22 mask 255.255.255.255
neighbor 12.12.12.1 remote-as 12
neighbor 12.12.12.1 next-hop-self
neighbor 23.23.23.3 remote-as 3
neighbor 23.23.23.3 next-hop-self
neighbor 24.24.24.4 remote-as 4
no auto-summary
!
ip forward-protocol nd
!
konfigurasi R1
!
router bgp 12
no synchronization
bgp log-neighbor-changes
bgp confederation identifier 123
network 11.11.11.11 mask 255.255.255.255
neighbor 12.12.12.2 remote-as 12
neighbor 12.12.12.2 send-community
neighbor 12.12.12.2 route-map LOCAL-AS out
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
access-list 1 permit 11.11.11.11
access-list 2 permit 11.11.11.11
!
!
!
route-map NO-EXPORT permit 10
match ip address 1
set community no-export
!
route-map LOCAL-AS permit 10
match ip address 2
set community local-AS
Konfigurasi R3
router eigrp 1
network 3.3.3.3 0.0.0.0
network 23.23.23.3 0.0.0.0
auto-summary
!
router bgp 3
no synchronization
bgp log-neighbor-changes
bgp confederation identifier 123
bgp confederation peers 12
network 33.33.33.33 mask 255.255.255.255
neighbor 23.23.23.2 remote-as 12
no auto-summary
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
access-list 1 permit 33.33.33.33
!
!
R2#sh ip bgp 11.11.11.11
BGP routing table entry for 11.11.11.11/32, version 3
Paths: (1 available, best #1, table Default-IP-Routing-Table, not advertised outside local AS)
Not advertised to any peer
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
R2#
