- Assalamu'alaikum Wr.Wb -
iBGP Peering(Loopback)
- Buatlah tapologi seperti dibawah
- Konfigurasi
R1
/system identity
set name=R1
/interface bridge
add name=loopback1
add name=loopback2
/routing bgp instance
set default as=12 router-id=1.1.1.1
/ip address
add address=1.1.1.1 interface=loopback1 network=1.1.1.1
add address=10.10.12.1/24 interface=ether1 network=10.10.12.0
add address=11.11.11.11 interface=loopback2 network=11.11.11.11
/ip route
add distance=1 dst-address=22.22.22.22/32 gateway=10.10.12.2
/routing bgp network
add network=1.1.1.1/32
/routing bgp peer
add name=peer1 remote-address=22.22.22.22 remote-as=12 update-source=loopback2
R2
/system identity
set name=R2
/interface bridge
add name=loopback1
add name=loopback2
/routing bgp instance
set default as=12 router-id=2.2.2.2
/ip address
add address=2.2.2.2 interface=loopback1 network=2.2.2.2
add address=10.10.12.2/24 interface=ether1 network=10.10.12.0
add address=22.22.22.22 interface=loopback2 network=22.22.22.22
/ip route
add distance=1 dst-address=11.11.11.11/32 gateway=10.10.12.1
/routing bgp network
add network=2.2.2.2/32
/routing bgp peer
add name=peer1 remote-address=11.11.11.11 remote-as=12 update-source=loopback2
- Verifikasi
- Neighbor peer establishment
[admin@R2] > routing bgp peer print detail
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=11.11.11.11 remote-as=12
tcp-md5-key="" nexthop-choice=default multihop=no route-reflect=no
hold-time=3m ttl=255 in-filter="" out-filter="" address-families=ip
update-source=loopback2 default-originate=never remove-private-as=no
as-override=no passive=no use-bfd=no
- BGP Advertisement
[admin@R2] > routing bgp advertisements print
PEER PREFIX NEXTHOP AS-PATH ORIGIN LOCAL-PREF
peer1 2.2.2.2/32 22.22.22.22 igp 100
- Tabel routing
[admin@R2] > ip route print
Flags: X - disabled, A - active, D - dynamic,
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme,
B - blackhole, U - unreachable, P - prohibit
# DST-ADDRESS PREF-SRC GATEWAY DISTANCE
0 ADb 1.1.1.1/32 11.11.11.11 200
1 ADC 2.2.2.2/32 2.2.2.2 loopback1 0
2 ADC 10.10.12.0/24 10.10.12.2 ether1 0
3 A S 11.11.11.11/32 10.10.12.1 1
4 ADC 22.22.22.22/32 22.22.22.22 loopback2 0
- Konektifitas antar node BGP
[admin@R2] > ping 1.1.1.1 src-address=2.2.2.2
SEQ HOST SIZE TTL TIME STATUS
0 1.1.1.1 56 64 30ms
1 1.1.1.1 56 64 50ms
2 1.1.1.1 56 64 47ms
3 1.1.1.1 56 64 55ms
sent=4 received=4 packet-loss=0% min-rtt=30ms avg-rtt=45ms max-rtt=55ms
- Wassalamu'alaikum Wr.Wb -
