baik sahabat configer kali ini saya akan sedikit sharing mengenai Internal BGP Peering (Loopback Interface)
oke sahabat konfiger semua dalam melabkan materi kali ini saya menggukan GNS3 untuk topologinya seperti ini :
/system identity set name=(isi sesuaii selera)
konfigurasikan ip address pada kedua router di eth yang terhubung :
[admin@R1] > ip address add address=12.12.12.1/24 interface=ether1
[admin@R2] > ip address add address=12.12.12.2/24 interface=ether1
buatlah 2 int bridge pada kedua router dan berikan ip loopback[admin@R2] > ip address add address=12.12.12.2/24 interface=ether1
[admin@R1] > interface bridge add name=bridge1
[admin@R1] > interface bridge add name=bridge2
[admin@R1] > ip address add address=1.1.1.1/32 interface=bridge1
[admin@R1] > ip address add address=11.11.11.11/32 interface=bridge2
[admin@R2] > interface bridge add name=bridge1
[admin@R2] > interface bridge add name=bridge2
[admin@R2] > ip address add address=2.2.2.2/32 interface=bridge1
[admin@R2] > ip address add address=22.22.22.22/32 interface=bridge2
lalu kita konfigurasikan agar router bisa saling ping ke loopback dengan static route[admin@R1] > interface bridge add name=bridge2
[admin@R1] > ip address add address=1.1.1.1/32 interface=bridge1
[admin@R1] > ip address add address=11.11.11.11/32 interface=bridge2
[admin@R2] > interface bridge add name=bridge1
[admin@R2] > interface bridge add name=bridge2
[admin@R2] > ip address add address=2.2.2.2/32 interface=bridge1
[admin@R2] > ip address add address=22.22.22.22/32 interface=bridge2
[admin@R1] > ip route add dst-address=2.2.2.2/32 gateway=12.12.12.2
[admin@R2] > ip route add dst-address=1.1.1.1/32 gateway=12.12.12.1
pastikan router sudah bisa saling test :[admin@R2] > ip route add dst-address=1.1.1.1/32 gateway=12.12.12.1
[admin@R1] > ping 2.2.2.2
SEQ HOST SIZE TTL TIME STATUS
0 2.2.2.2 56 64 0ms
1 2.2.2.2 56 64 1ms
sent=2 received=2 packet-loss=0% min-rtt=0ms avg-rtt=0ms max-rtt=1ms
[admin@R2] > ping 1.1.1.1
SEQ HOST SIZE TTL TIME STATUS
0 1.1.1.1 56 64 0ms
1 1.1.1.1 56 64 1ms
2 1.1.1.1 56 64 1ms
sent=3 received=3 packet-loss=0% min-rtt=0ms avg-rtt=0ms max-rtt=1ms
aktifkan BGP pada R1 dan R2, konfigurasikan dengan perintah berikut :SEQ HOST SIZE TTL TIME STATUS
0 2.2.2.2 56 64 0ms
1 2.2.2.2 56 64 1ms
sent=2 received=2 packet-loss=0% min-rtt=0ms avg-rtt=0ms max-rtt=1ms
[admin@R2] > ping 1.1.1.1
SEQ HOST SIZE TTL TIME STATUS
0 1.1.1.1 56 64 0ms
1 1.1.1.1 56 64 1ms
2 1.1.1.1 56 64 1ms
sent=3 received=3 packet-loss=0% min-rtt=0ms avg-rtt=0ms max-rtt=1ms
[admin@R1] > routing bgp instance set default as=100 router-id=1.1.1.1
[admin@R2] > routing bgp instance set default as=100 router-id=2.2.2.2
konfigurasikan pada setiap router BGP Peer agar R1 dan R2 bisa saling peer[admin@R2] > routing bgp instance set default as=100 router-id=2.2.2.2
[admin@R2] > routing bgp peer add name=peer1 remote-address=1.1.1.1 remote-as=100 update-source=bridge1
[admin@R1] > routing bgp peer add name=peer1 remote-address=2.2.2.2 remote-as=100 update-source=bridge1
buat netowork yang akan mengadvertise BGP dengan perintah :[admin@R1] > routing bgp peer add name=peer1 remote-address=2.2.2.2 remote-as=100 update-source=bridge1
[admin@R1] > routing bgp network add network=11.11.11.11/32
[admin@R2] > routing bgp network add network=22.22.22.22/32
sekarang kita cek kedua router apakah bgp peer nya sudah established dan juga cek table routingnya dengan cara[admin@R2] > routing bgp network add network=22.22.22.22/32
/routing bgp peer print status
[admin@R1] > routing bgp peer print status
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=2.2.2.2 remote-as=100 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=bridge1 default-originate=never remove-private-as=no as-override=no passive=no
use-bfd=no remote-id=2.2.2.2 local-address=1.1.1.1 uptime=7m23s prefix-count=1 updates-sent=1 updates-received=1 withdrawn-sent=0 withdrawn-received=0
remote-hold-time=3m used-hold-time=3m used-keepalive-time=1m refresh-capability=yes as4-capability=yes state=established
/ip route print
[admin@R1] > 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 ADC 1.1.1.1/32 1.1.1.1 bridge1 0
1 A S 2.2.2.2/32 12.12.12.2 1
2 ADC 11.11.11.11/32 11.11.11.11 bridge2 0
3 ADC 12.12.12.0/24 12.12.12.1 ether1 0
4 ADb 22.22.22.22/32 2.2.2.2 200
perhatikan statusnya apabila sudah seperti diatas yang di bold berarti sudah berhasil.Alhamdulillah postingan kali ini telah selesai, jika artikel ini terasa bermanfaat silahkan bisa di share dengan menekan salah satu button dibawah ini.[admin@R1] > routing bgp peer print status
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=2.2.2.2 remote-as=100 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=bridge1 default-originate=never remove-private-as=no as-override=no passive=no
use-bfd=no remote-id=2.2.2.2 local-address=1.1.1.1 uptime=7m23s prefix-count=1 updates-sent=1 updates-received=1 withdrawn-sent=0 withdrawn-received=0
remote-hold-time=3m used-hold-time=3m used-keepalive-time=1m refresh-capability=yes as4-capability=yes state=established
/ip route print
[admin@R1] > 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 ADC 1.1.1.1/32 1.1.1.1 bridge1 0
1 A S 2.2.2.2/32 12.12.12.2 1
2 ADC 11.11.11.11/32 11.11.11.11 bridge2 0
3 ADC 12.12.12.0/24 12.12.12.1 ether1 0
4 ADb 22.22.22.22/32 2.2.2.2 200
Wassalamu'alaikum ...
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