baik sahabat configer kali ini saya akan sedikit sharing mengenai Internal BGP Peering (Physical 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=10.10.10.1/24 interface=ether1
[admin@R2] > ip address add address=10.10.10.2/24 interface=ether1
buatlah 1 int bridge pada kedua router dan berikan ip loopback[admin@R2] > ip address add address=10.10.10.2/24 interface=ether1
[admin@R1] > interface bridge add name=bridge1
[admin@R1] > ip address add address=1.1.1.1/32 interface=bridge1
[admin@R2] > interface bridge add name=bridge1
[admin@R2] > ip address add address=2.2.2.2/32 interface=bridge1
lalu kita aktifkan BGP nya pada kedua router dengan perintah sebagai berikut :[admin@R1] > ip address add address=1.1.1.1/32 interface=bridge1
[admin@R2] > interface bridge add name=bridge1
[admin@R2] > ip address add address=2.2.2.2/32 interface=bridge1
[admin@R1] > routing bgp instance set default as=100
[admin@R2] > routing bgp instance set default as=100
selanjutkan kita buat agar BGP nya Peer dengan perintah :[admin@R2] > routing bgp instance set default as=100
[admin@R1] > routing bgp peer add name=peer1 remote-address=10.10.10.2 remote-as=100
[admin@R2] > routing bgp peer add name=peer1 remote-address=10.10.10.1 remote-as=100
kemudian kita akan mengadvertise network seolah - olah ini adalah network internal kita yang akan di advertise ke as lain. disini kita akan menggunakan int lo sebagai network kita :[admin@R2] > routing bgp peer add name=peer1 remote-address=10.10.10.1 remote-as=100
[admin@R1] > routing bgp network add network=1.1.1.1/32
[admin@R2] > routing bgp network add network=2.2.2.2/32
oke sampai disini silahkan di cek pada setiap router apakan BGP Peer yang kita setting tadi sudah Establish dengan perintah :[admin@R2] > routing bgp network add network=2.2.2.2/32
[admin@R1] > routing bgp peer print status
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.10.2 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 default-originate=never
remove-private-as=no as-override=no passive=no use-bfd=no remote-id=2.2.2.2 local-address=10.10.10.1 uptime=53s 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updates-sent=1 updates-received=1 withdrawn-sent=0 withdrawn-received=0 remote-hold-time=3m used-hold-time=3m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
[admin@R1] > ip route print detail where dst-address=2.2.2.2/32
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
0 ADb dst-address=2.2.2.2/32 gateway=10.10.10.2 gateway-status=10.10.10.2 reachable via ether1 distance=200 scope=40 target-scope=30
bgp-local-pref=100 bgp-origin=igp received-from=peer1
[admin@R2] > routing bgp peer print status
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.10.1 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 default-originate=never
remove-private-as=no as-override=no passive=no use-bfd=no remote-id=1.1.1.1 local-address=10.10.10.2 uptime=1m28s 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
[admin@R2] > ip route print detail where dst-address=1.1.1.1/32
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
0 ADb dst-address=1.1.1.1/32 gateway=10.10.10.1 gateway-status=10.10.10.1 reachable via ether1 distance=200 scope=40 target-scope=30
bgp-local-pref=100 bgp-origin=igp received-from=peer1
cek table routing pada setiap router dengan perintah :Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.10.2 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 default-originate=never
remove-private-as=no as-override=no passive=no use-bfd=no remote-id=2.2.2.2 local-address=10.10.10.1 uptime=53s 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
[admin@R1] > ip route print detail where dst-address=2.2.2.2/32
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
0 ADb dst-address=2.2.2.2/32 gateway=10.10.10.2 gateway-status=10.10.10.2 reachable via ether1 distance=200 scope=40 target-scope=30
bgp-local-pref=100 bgp-origin=igp received-from=peer1
[admin@R2] > routing bgp peer print status
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.10.1 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 default-originate=never
remove-private-as=no as-override=no passive=no use-bfd=no remote-id=1.1.1.1 local-address=10.10.10.2 uptime=1m28s 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
[admin@R2] > ip route print detail where dst-address=1.1.1.1/32
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
0 ADb dst-address=1.1.1.1/32 gateway=10.10.10.1 gateway-status=10.10.10.1 reachable via ether1 distance=200 scope=40 target-scope=30
bgp-local-pref=100 bgp-origin=igp received-from=peer1
/ip route print
sampai disini seudah selesai dan untuk lebih membuktikan lagi silahkan di ping ip lawan dan sekaligus loopback nya.Alhamdulillah postingan kali ini telah selesai, jika artikel ini terasa bermanfaat silahkan bisa di share dengan menekan salah satu button dibawah ini.Wassalamu'alaikum ...
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