BGP LAB 3

- Assalamu'alaikum Wr.Wb -
eBGP Peering(pyshical)

- 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=100 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
/routing bgp network
add network=1.1.1.1/32
/routing bgp peer
add name=peer1 remote-address=10.10.12.2 remote-as=200

- R2
/system identity
set name=R2
/interface bridge
add name=loopback1
add name=loopback2
/routing bgp instance
set default as=200 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
/routing bgp network
add network=2.2.2.2/32
/routing bgp peer
add name=peer1 remote-address=10.10.12.1 remote-as=100

- Verifikasi
- Peer establishment
[admin@R1] > routing bgp peer print detail
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.12.2 remote-as=200
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

- [admin@R2] > routing bgp peer print detail
Flags: X - disabled, E - established
0 E name="peer1" instance=default remote-address=10.10.12.1 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

- BGP advertisement
[admin@R1] > routing bgp advertisements print
PEER PREFIX NEXTHOP AS-PATH ORIGIN LOCAL-PREF
peer1 1.1.1.1/32 10.10.12.1 igp

- [admin@R2] > routing bgp advertisements print
PEER PREFIX NEXTHOP AS-PATH ORIGIN LOCAL-PREF
peer1 2.2.2.2/32 10.10.12.2 igp

- Tabel routing
[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 loopback1 0
1 ADb 2.2.2.2/32 10.10.12.2 20
2 ADC 10.10.12.0/24 10.10.12.1 ether1 0
3 ADC 11.11.11.11/32 11.11.11.11 loopback2 0

- [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 10.10.12.1 20
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 ADC 22.22.22.22/32 22.22.22.22 loopback2 0

- Konektifitas antar node BGP
[admin@R1] > ping 2.2.2.2 src-address=1.1.1.1
SEQ HOST SIZE TTL TIME STATUS
0 2.2.2.2 56 64 38ms
1 2.2.2.2 56 64 22ms
2 2.2.2.2 56 64 36ms
3 2.2.2.2 56 64 23ms
sent=4 received=4 packet-loss=0% min-rtt=22ms avg-rtt=29ms max-rtt=38ms

- [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 14ms
1 1.1.1.1 56 64 62ms
2 1.1.1.1 56 64 26ms
3 1.1.1.1 56 64 62ms
sent=4 received=4 packet-loss=0% min-rtt=14ms avg-rtt=41ms max-rtt=62ms

- Wassalamu'alaikum Wr.Wb -